2010 TOYOTA PRIUS Service Brakes, Hydraulic Problems

The contact owns a 2010 Toyota Prius. The contact stated that while driving 70 MPH, the vehicle jerked, and the vehicle failed to accelerate as intended while depressing the accelerator pedal. Additionally, the steering wheel seized, and the vehicle stalled. The contact pulled over to the side of the road, opened the hood, and disconnected and reconnected the battery terminals to reboot the vehicle. The contact stated that a yellow triangle warning light and the check engine warning light were illuminated. The message "Check Hybrid System" was displayed. The contact was able to restart the vehicle; however, the vehicle failed to exceed 65 MPH while driving. The ABS warning light was illuminated. The contact took the vehicle to Auto Zone and O'Reilly's; however, no cause for the failure was found. The vehicle was then taken to the dealer. The contact was informed that the failure might be an ABS system failure. The vehicle was not repaired due to the cost. The contact stated that the failure first occurred years ago, and the failure persisted. The manufacturer was not notified of the failure. The failure mileage was unknown.

The contact owns 2010 Toyota Prius. The contact stated that while depressing the brake pedal, the ABS, brakes, and the vehicle stability control warning lights were illuminated. An Independent mechanic was contacted. The vehicle was taken to an independent mechanic where it was diagnosed and determined that the brake booster and accumulator needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and informed the contact that the VIN was not included in the recall; however, the recall had expired. The failure mileage was 172,000.

Mileage: 172,000

The contact owns a 2010 Toyota Prius. The contact stated while driving 45-50 MPH and depressing the brake pedal, the ABS, the traction control, and the check engine warning lights were illuminated. The contact stated that the vehicle experienced reduced braking power and the vehicle failed to respond as needed. The contact stated that upon engaging the brake, the vehicle decelerated, and the contact pulled to the base of an inclined side street, where the vehicle was able to stop. The contact was able to safety park and inspected the vehicle. The contact was able to drive to the residence at slow speeds. The vehicle was taken to the dealer, where it was diagnosed that the brake booster and master cylinder had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 94,000.

Mileage: 94,000

The contact owns a 2010 Toyota Prius. The contact stated that while her husband was driving 25 MPH, the brake pedal was depressed but the vehicle failed to respond. The contact stated that several unknown warning lights illuminated with an audible chime being heard. The contact's husband pulled over to the side of the road and depressed the brake pedal and the pedal went to the floorboard and the brakes started to respond as needed. The vehicle was towed to an independent mechanic where it was diagnosed and determined that the brake pads and rotors needed to be replaced. The vehicle was repaired but the failure persisted. The contact stated while driving at an undisclosed speed, the brake pedal was depressed, and there was an abnormal sound coming from the brakes. The contact stated that the brake pedal went to the floorboard. The contact then towed the vehicle to the residence. The vehicle was taken to the dealer but was not yet diagnosed or repaired. The manufacturer was made aware of the failure and offered a Customer Satisfaction Program Extended warranty repair. The failure mileage was approximately 105,336.

Mileage: 105,336

The contact owns a 2010 Toyota Prius. The contact stated while driving at undisclosed speeds, while depressing the brake pedal the vehicle failed to come to a complete stop and the brake pedal was firm. No warning light was illuminated. The vehicle was towed to a local independent mechanic where it was diagnosed and determined that the brake module needed to be replaced. The local dealer was not contacted. The vehicle was not diagnosed or repaired due to the cost. The manufacturer was made aware of the failure. The failure mileage was approximately 117,000.

Mileage: 117,000

The contact owns a 2010 Toyota Prius. The contact stated while at a complete stop and attempting to depress the accelerator pedal, there was an abnormal vibration coming from the brake pump. The contact also stated that when the vehicle was turned off, the vibration on the brake pump occurred, triggering the alarm on the vehicle at least one time per day, each day. The vehicle was taken to an independent mechanic where the failure was related with an unknown recall. The vehicle was not repaired. The manufacturer was made aware of the failure; however, no assistance was provided. The failure mileage was approximately 196,000.

Mileage: 196,000

The contact owns a 2010 Toyota Prius. The contact stated that while driving at an undisclosed speed and attempting to slow the vehicle, he became aware that the brake pedal required excessive force to bring the vehicle to a complete stop. The service brake warning light was illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the brake booster and brake master cylinder. The vehicle was not repaired. The vehicle was then taken to an independent mechanic, who confirmed the diagnosis and additionally found that there was a leak in the brake fluid accumulator, resulting in low brake fluid pressure. The vehicle was taken back to the dealer, who added brake fluid to the braking system, which seemed to temporarily resolve the failure. The manufacturer was not notified of the failure. The failure mileage was 140,000.

Mileage: 140,000

The contact owns a 2010 Toyota Prius. The contact stated that while driving 50-55 MPH, the ABS, traction control, and brake warning lights illuminated. The contact called the local dealer, but the vehicle was not diagnosed or repaired. The vehicle was taken to an independent mechanic and the contact was informed that the brake booster assembly needed to be replaced. The manufacturer was contacted, but no assistance was provided. The approximate failure mileage was 139,999.

Mileage: 139,999

The contact owns a 2010 Toyota Prius. The contact stated that while driving at an undisclosed speed, the traction and ABS warning lights illuminated. The contact stated that the brakes were inoperable. The contact stated that he was driving at a low speed and was able to safely stop the vehicle. The vehicle was taken to an independent mechanic where it was diagnosed with a failed brake booster. The contact was informed that the brake booster needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure but did not assist. The failure mileage was approximately 227,000.

Mileage: 227,000

The contact owns a 2010 Toyota Prius. The contact stated while driving 45 MPH, there was an abnormal sound coming from the front driver’s side of the vehicle. The contact stated that the traction control, brakes, the Pre-Collision System (PCS), and the ABS warning lights were illuminated. The contact took the vehicle to the local dealer, where it was diagnosed with needing the brake actuator and the brake booster to be replaced. The vehicle was not repaired. Upon investigation, the contact associated the failure with the TSB: POL1803, however the vehicle was not included. The manufacturer had been informed of the failure. The failure mileage was approximately 143,000.

Mileage: 143,000

The contact owns a 2010 Toyota Prius. The contact stated that while driving at an undisclosed speed, the ABS warning light and two other unknown warning lights illuminated. The contact stated that the brake pedal went to the floorboard while depressed. Additionally, the contact stated that while self-inspecting the vehicle, he became aware that there was no brake fluid in the brake fluid reservoir. The contact stated that when the vehicle was self-inspected for a second time that same day, the brake fluid was full. The vehicle was taken to an independent mechanic, who informed the contact of an unknown recall for the brake booster. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 85,000.

Mileage: 85,000

The contact owns a 2010 Toyota Prius. The contact stated that the braking system warning light was illuminated. The vehicle was taken to the dealer and diagnosed with a brake fluid leak in the brake master cylinder. The vehicle was not repaired and remained at the dealer. The manufacturer was made aware of the failure and informed the contact that the extended warranty had expired. The failure mileage was approximately 81,000.

Mileage: 81,000

The contact owns 2010 Toyota Prius. The contact stated while driving 72 MPH, she noticed several unknown warning lights illuminated on the vehicle and a beeping sound coming from the vehicle. The contact noticed that whenever the beeping sound was present, it was very difficult to depress the brake pedal to slow the vehicle. The contact had to depress on the brake pedal all the way to the floor for the vehicle to slow down and for the contact to pull over to the side of the road. The contact waited for a minute before restarting the vehicle and continued to drive a short distance before the failure recurred. The contact was able to restart and slowly drive the vehicle back to the residence. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the ABS pump needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 140,000.

Mileage: 140,000

The contact owns a 2010 Toyota Prius. The contact stated that while driving, the brake lights, ABS, and check engine warning lights illuminated. There was an abnormal noise detected. The vehicle was taken to the local dealer and diagnosed that the brake booster assembly needed to be replaced. Additionally, the contact was informed that the vehicle was not safe to drive. The manufacturer was notified of the failure and referred the contact to NHTSA. The failure mileage was approximately 115,000. The VIN was not available.

Mileage: 115,001

The contact owns a 2010 Toyota Prius. The contact stated that while driving approximately 30 mph, the automatic braking system failed and the brakes were making a strange sound and not responding as soon as the brake pedal was depressed. The ABS, brake, and stability control warning lights were illuminated. The vehicle was taken to the dealer and diagnosed with hydraulic brake booster pump failure. The vehicle was not repaired and remained at the dealer. The manufacturer was made aware of the failure but informed the contact that the vehicle was over the extended warranty coverage. The failure mileage was 118,000.

Mileage: 118,000

The contact owns a 2010 Toyota Prius. The contact stated while driving approximately 30 mph, while coming to a stop on wet pavement, the vehicle failed to stop and crashed into the vehicle ahead of him. The air bags failed to deploy. A police report was filed. There were no injuries sustained. The contact stated that whenever the roads were wet, excessive force on the brake pedal was needed to stop the vehicle. The vehicle was not taken to the dealer and was not diagnosed. The manufacturer was not made aware of the failure. The approximate failure mileage was 208,000.

Mileage: 208,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED WHILE DRIVING AT AN UNDISCLOSED SPEED, ANOTHER VEHICLE CUT IN FRONT OF THE VEHICLE. THE CONTACT QUICKLY DEPRESSED THE BRAKE PEDAL AND THE VEHICLE STARTED TO SKID. THE CONTACT LET UP OFF THE BRAKE PEDAL TO STRAIGHTEN THE VEHICLE AND STAY IN HER LANE. THE CONTACT STATED THAT THE ANTILOCK BRAKES FAILED. THE VEHICLE WAS NOT TAKEN TO A DEALER. THE CONTACT MENTIONED THAT SHE HAD TAKEN THE VEHICLE TO AN INDEPENDENT MECHANIC FOR AN OIL CHANGE BEFORE THE FAILURE AND WAS INFORMED THAT THE VEHICLE WAS UNDER RECALL. THE CONTACT CALLED FRED ANDERSON TOYOTA OF ASHEVILLE (777 BREVARD RD, ASHEVILLE, NC 28806) AND INFORMED THEM OF THE RECALL ON THE BRAKE BOOSTER PUMP ASSEMBLY. THE DEALER INFORMED THE CONTACT THAT THE VEHICLE WAS OVER THE MILEAGE FOR THE REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND PROVIDED A CASE NUMBER. THE FAILURE MILEAGE WAS APPROXIMATELY 197,000.

Mileage: 197,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING 5 MPH, THE BRAKE PEDAL WAS DEPRESSED, BUT THE VEHICLE HESITATED TO RESPOND. THE CONTACT STATED THAT THE ABS WARNING LIGHT, TRACTION CONTROL WARNING LIGHT, AND BRAKE SYSTEM WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE BRAKE BOOSTER MASTER CYLINDER NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE VEHICLE WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 13V235000 (SERVICE BRAKES, HYDRAULIC). THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 86,000. UPDATED 09/06/16*LJ THE CONSUMER STATED THE MASTER CYLINDER/BRAKE BOOSTER ASSEMBLY WERE SUBSEQUENTLY REPLACED. ALSO, ON JANUARY 5, 2016, THE CONSUMER WAS INVOLVED IN AN ACCIDENT WHILE DRIVING ON A WINDING HIGHWAY. AS HE TRIED TO NEGOTIATE A TURN, THE TIRES SLIPPED OFF THE PAVEMENT AND HE RAN OFF THE ROAD, CAUSING OVER $10,000 IN DAMAGES. UPDATED 10/18/16. *JB

Mileage: 86,000

AS I WAS DRIVING, I NOTICED THAT WHEN I PRESSED ON THE BRAKES, THE CAR WOULD JERK FORWARD BEFORE COMING TO A STOP. ONCE STOPPED (BUT STILL TURNED ON), THE CAR MADE A BUZZING NOISE I HAD NEVER HEARD BEFORE. NO WARNING LIGHTS CAME ON, AND THE BRAKES DID NOT SQUEAK. AN HOUR LATER, MY HUSBAND DROVE THE CAR HOME FOR ME (I RODE WITH A FRIEND), AND HE REPORTED THAT WARNING LIGHTS CAME ON AND THE BRAKES DID NOT WORK PROPERLY. IN ORDER FOR THE BRAKES TO WORK, HE HAD TO PRESS VERY HARD ON THEM AND ALSO ALLOW MUCH MORE DISTANCE FOR THE CAR TO STOP. HE COULD HAVE EASILY CRASHED INTO THE BACK OF ANOTHER VEHICLE. HE TOOK THE CAR TO THE TOYOTA DEALERSHIP AND WAS INFORMED THE BRAKE BOOSTER ASSEMBLY WOULD HAVE TO BE REPLACED. THIS IS THE SAME COMPLAINT AS A 2010 PRIUS RECALL, BUT MY VIN NUMBER WAS NOT INCLUDED IN THE RECALL, SO I DID NOT RECEIVE A NOTICE IN THE AIL. ALSO, WE HAD TO PAY $3008 TO HAVE THE BRAKE BOOSTER ASSEMBLY REPLACED. THE CONSUMER REFERENCED RECALL # 13V235000. UPDATED 02/11/16. *JB

Mileage: 68,840

WHEN BRAKING ON ROUGH ROADS THE BRAKES WILL RELEASE, CAUSING THE CAR TO LUNGE FORWARD. VERY SCARY AND DANGEROUS. I TOOK MY CAR BACK TO TOYOTA DEALER TO HAVE THIS CHECKED OUT. THEY HAD NEVER HEARD OF THIS PROBLEM (EVEN THOUGH THERE IS A RECALL FOR IT). THEY CHECKED IT OUT AND TEST DROVE IT, BRAKING OVER ROUGH ROAD. THEY SAID IT WAS BRAKING FINE. IT IS STILL RELEASING WHEN BRAKING ON ROUGH PATCHES FOR ME. I AM ALWAYS MINDFUL TO LEAVE PLENTY OF ROOM BETWEEN ME AND THE CAR AHEAD OF ME IN CASE I HIT A ROUGH PATCH. I PLAN ON TAKING MY CAR BACK TO TOYOTA WITH A PRINTOUT FROM THIS SITE SHOWING IT HAS BEEN RECALLED FOR THIS VERY PROBLEM AND THAT OTHERS ARE ALSO EXPERIENCING THE SAME THING.

Mileage: 10,000

WHILST STOPPED AT A TRAFFIC LIGHT, BEHIND A SUBURU, THE BRAKE FAILED AND HIT THE SUBURU. (THIS WAS NOT THE FIRST TIME THE BRAKE FAILED, BUT FORTUNATELY THERE WERE NO OTHER CARS INVOLVED WHEN THE CAR DID NOT STOP. THE DRIVER BELIEVED THAT BLACK ICE WAS INVOLVED, BUT AFTER THE INCIDENT WITH THE SUBURU, REALIZED THAT IT WAS BRAKE FAILURE.) BELIEVING THAT THE AUTO COULD NO LONGER BE TRUSTED, IT WAS SOLD. TOYOTA INSISTED IT WAS DRIVER ERROR., AND CLAIMED THAT THERE WAS NO FAULT IN THE BREAKING SYSTEM. *TR

Mileage: 35,000

2010 TOYOTA PRIUS. CONSUMER STATES TWO BRAKE SYSTEM FAILURES *TGW THE CONSUMER STATED THE VEHICLE BEGAN MAKING AN UNUSUAL SOUND AND AFTER A FEW DAYS, NUMEROUS WARNING LIGHTS APPEARED ON THE DASHBOARD ANNOUNCING A FAILURE OF THE BRAKING SYSTEM. THE VEHICLE WAS TOWED TO THE DEALER. AN INSPECTION REVEALED THE MASTER CYLINDER, BOOSTER AND ECU NEEDED TO BE REPLACED. THE CONSUMER PAID $ 3,246.83 FOR THE REPAIRS. HOWEVER, NINE DAYS LATER, THE UNUSUAL BRAKE PEDAL SOUND RETURNED, BUT THE BRAKES WORKED AND NO WARNING LIGHTS APPEARED. THE NEXT DAY, THE BRAKE SYSTEM COMPLETELY FAILED WHILE HIS DAUGHTER WAS DRIVING THE VEHICLE. AGAIN, THE VEHICLE WAS TOWED TO THE DEALER, WHERE THE TECHNICIANS DETERMINED THE VEHICLE NEEDED A NEW BRAKE BOOSTER ASSEMBLY. THE CONSUMER WAS INFORMED HE WOULD ONLY BE RESPONSIBLE FOR THE LABOR COSTS OF $ 255.48. THE CONSUMER BELIEVED THE BOOSTER AND BRAKE BOOSTER WERE THE SAME PART, WHICH WAS SUPPOSED TO HAVE BEEN REPLACED SEVERAL DAYS PRIOR. JB

2010 TOYOTA PRIUS. CONSUMER STATES TWO BRAKE SYSTEM FAILURES *TGW THE CONSUMER STATED THE VEHICLE BEGAN MAKING AN UNUSUAL SOUND AND AFTER A FEW DAYS, NUMEROUS WARNING LIGHTS APPEARED ON THE DASHBOARD ANNOUNCING A FAILURE OF THE BRAKING SYSTEM. THE VEHICLE WAS TOWED TO THE DEALER. AN INSPECTION REVEALED THE MASTER CYLINDER, BOOSTER AND ECU NEEDED TO BE REPLACED. THE CONSUMER PAID $ 3,246.83 FOR THE REPAIRS. HOWEVER, NINE DAYS LATER, THE UNUSUAL BRAKE PEDAL SOUND RETURNED, BUT THE BRAKES WORKED AND NO WARNING LIGHTS APPEARED. THE NEXT DAY, THE BRAKE SYSTEM COMPLETELY FAILED WHILE HIS DAUGHTER WAS DRIVING THE VEHICLE. AGAIN, THE VEHICLE WAS TOWED TO THE DEALER, WHERE THE TECHNICIANS DETERMINED THE VEHICLE NEEDED A NEW BRAKE BOOSTER ASSEMBLY. THE CONSUMER WAS INFORMED HE WOULD ONLY BE RESPONSIBLE FOR THE LABOR COSTS OF $ 255.48. THE CONSUMER BELIEVED THE BOOSTER AND BRAKE BOOSTER WERE THE SAME PART, WHICH WAS SUPPOSED TO HAVE BEEN REPLACED SEVERAL DAYS PRIOR. JB

2010 TOYOTA PRIUS. CONSUMER STATES TWO BRAKE SYSTEM FAILURES *TGW THE CONSUMER STATED THE VEHICLE BEGAN MAKING AN UNUSUAL SOUND AND AFTER A FEW DAYS, NUMEROUS WARNING LIGHTS APPEARED ON THE DASHBOARD ANNOUNCING A FAILURE OF THE BRAKING SYSTEM. THE VEHICLE WAS TOWED TO THE DEALER. AN INSPECTION REVEALED THE MASTER CYLINDER, BOOSTER AND ECU NEEDED TO BE REPLACED. THE CONSUMER PAID $ 3,246.83 FOR THE REPAIRS. HOWEVER, NINE DAYS LATER, THE UNUSUAL BRAKE PEDAL SOUND RETURNED, BUT THE BRAKES WORKED AND NO WARNING LIGHTS APPEARED. THE NEXT DAY, THE BRAKE SYSTEM COMPLETELY FAILED WHILE HIS DAUGHTER WAS DRIVING THE VEHICLE. AGAIN, THE VEHICLE WAS TOWED TO THE DEALER, WHERE THE TECHNICIANS DETERMINED THE VEHICLE NEEDED A NEW BRAKE BOOSTER ASSEMBLY. THE CONSUMER WAS INFORMED HE WOULD ONLY BE RESPONSIBLE FOR THE LABOR COSTS OF $ 255.48. THE CONSUMER BELIEVED THE BOOSTER AND BRAKE BOOSTER WERE THE SAME PART, WHICH WAS SUPPOSED TO HAVE BEEN REPLACED SEVERAL DAYS PRIOR. JB

TL* THE CONTACT WAS DRIVING A 2010 TOYOTA PRIUS. THE CONTACT WAS DRIVING 40 MPH WHEN THE VEHICLE STOPPED IN THE STREET. PRIOR TO THE VEHICLE STOPPING, A BEEPING/ALARM SOUNDED, THE SEAT BELT LOCKED IN PLACE AND THE WARNING ON THE DASHBOARD FLASHED BRAKES.

Mileage: 35,643

I WAS ENTERING A PARKING SPACE, I APPROACHED THE SPACE ABOUT 5 MPH. THE VEHICLE SUDDENLY ACCELERATED, THE STEERING LOCKED AND THE BRAKES WENT TO THE FLOOR. THE VEHICLE JUMPED THE CURBING AND HIT THE TRUCK IN THE NEXT RIGHTHAND SPACE. IT CONNECTED WITH THE TRUCKS LEFT FRONT FENDER. THAT STOPPED THE VEHICLE. *TR

WHEN APPROACHING AN INTERSECTION I HIT A POTHOLE & THE CAR SUDDENLY QUIT BRAKING AND REQUIRED ME TO DO EVASIVE DRIVING MANEUVERS TO ASSURE I DID NOT HIT THE VEHICLE IN FRONT OF ME OR THE LIGHT POLE AT THE INTERSECTION. SIMILAR "BRAKE RELEASE" HAS HAPPENED ON MULTIPLE OCCASIONS. WHEN BRINGING THIS MATTER TO THE DEALERSHIP ON MULTIPLE OCCASIONS I HAVE BEEN TOLD THAT THIS IS STANDARD OPERATION. WHEN PRESSED THEY SAY ITIS JUST THE WAY THE CAR IS DESIGNED. THUS, MY COMPLAINT TO YOU FROM THE LOBBY OF MY TOYOTA DEALERSHIP AS THEY REMOVE THE BRAKING COMMENTS, AGAIN, FROM MY APPOINTMENT RECORD HISTORY. PLEASE FORCE THE COMPANY TO RESOLVE THIS MATTER AS I WORRY ABOUT MY HEALTH & THAT OF MY FOUR CHILDREN WHO RIDE IN THE CAR WITH ME. IT SHOULD NOT BE ACCEPTABLE FOR A COMPANY TO KNOW THAT THEIR VEHICLE IS UNSAFE & TELL CUSTOMERS, "SORRY, WE HAVE A PROBLEM BUT WE DO NOT CARE... *TR

Mileage: 1,200

I WAS ENTERING A PARKING SPACE. TURNED RIGHT INTO SPACE. THE VEHICLE ACCELERATED, STEERING WHEEL LOCKED, AND BRAKES DID NOT RESPOND!.THE CAR SPED OVER THE CURBING AND HIT THE LEFT FRONT FENDER OF THE TRUCK IN THE NEXT SPACE. *TR

Mileage: 20,600

BRAKES DOES NOT WORK PROPERLY ON ROUGH SURFACE OR BUMPY ROAD I HAVE REPORTED COUPLE OF TIMES TO THE DEALER BUT DEALER TRY TO MISLEAD AND CONFUSED ME BY SAYING THAT IT IS ABS SYSTEM WHICH BECOMES ACTIVE ON BUMPY ROAD AND IT IS A NORMAL BRAKE OPERATION AND WE HAVE NO RECALL FOR THIS VEHICLE. PLEASE LET ME KNOW WHAT TO DO? THANKS. *TR

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHEN STARTING THE VEHICLE, HE NOTICED THAT THE BRAKES WOULD NOT OPERATE AS THEY SHOULD IF THE VEHICLE WAS WARM. WHEN DEPRESSING THE BRAKES, HE WOULD HAVE TO APPLY EXTREME FORCE IN ORDER TO GET THE BRAKE PEDAL TO ENGAGE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THEY ADVISED THE CONTACT THAT THEY WERE UNABLE TO DIAGNOSE THE FAILURE. THE CONTACT MENTIONED THAT THE FAILURE ONLY OCCURRED WHEN DRIVING DURING THE MORNING HOURS, AFTER THE VEHICLE HAD BEEN SITTING OVERNIGHT. THE MANUFACTURER HAD NOT BEEN CONTACTED. THE FAILURE MILEAGE WAS APPROXIMATELY 10,000. THE VIN WAS UNAVAILABLE.

Mileage: 10,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT WAS DRIVING 20 MPH WHEN THE BRAKES WERE DEPRESSED BUT THE VEHICLE FAILED TO STOP. THE CONTACT THEN CRASHED INTO A SIGN. THERE WERE NO INJURIES. THE VEHICLE WAS TOWED TO THE DEALER BUT NOT REPAIRED. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE AND CURRENT MILEAGES WERE 13,115.

Mileage: 13,115

WHILE THE CAR WAS PARKED IN A HILL WITH THE PARKING BRAKE IT SUDDENLY WENT BACKWARDS AND HIT THE WALL OF THE RESIDENCY ACROSS THE STREET LIKE 500 FEET DOWN. CAR WAS ALMOST COMPLETELY DAMAGE BACK, TRAIN SUSPENSION AND ALL DOORS OUT OF FRAME. REPAIR WILL TAKE 8 WEEKS AT A COST OF 14850.00. THERE WERE NO PASSENGERS IN THE CAR. *TR

Mileage: 13,560

EVEN AFTER ALL RECALL WORK WAS PERFORMED THERE IS AN ISSUE BRAKING WITH THE 2010 PRIUS. WHEN BRAKING OVER BUMPY SURFACES YOU OFTEN GET A FEELING THAT THE CAR IS ACCELERATING RATHER THAN BRAKING. I DO NOT THINK THE CAR ACTUALLY ACCELERATES - IT IS MORE OF AN ISSUE THAT THE BRAKES RELEASING WHEN I BROUGHT IT TO THE ATTENTION OF MY TOYOTA DEALER THEY DO NOT THINK IT IS A PROBLEM. WHEN IT HAPPENS IN BUMPER TO BUMPER TRAFFIC IT CAN REALLY SCARE YOU! I WORRY LETTING MY KIDS DRIVE THE CAR. AND NO - IT IS THE ABS IS KICKING IN. *KB

Mileage: 500

THE PRIUS SEEMS TO ACCELERATE WHILE STEPPING ON THE BRAKE AT SLOW SPEEDS--THE CAR FEELS LIKE IT JERKS FORWARD. THIS USUALLY HAPPENS WHILE I AM ON A ROAD WITH POTHOLES. *KB

Mileage: 10,500

WHEN I STARTED TO DRIVE HOME, THE CAR WAS LURCHING WHILE BRAKING. IT WAS AN UNCONTROLLED ACCELERATION. ONCE I GOT ON THE FREEWAY, MY BRAKE LIGHT, ABS LIGHT AND SLIPPAGE LIGHTS ALL CAME ON AT ONCE (ALONG WITH BEEPING NOISE THAT DOES NOT GO AWAY). I PULLED OVER TO THE SIDE OF ROAD AND NOTICED THAT MY BRAKES HAD DEGRADED BY ABOUT 75 PERCENT.....WHILE I DID HAVE SOME BRAKES IT WOULD HAVE NOT BEEN ENOUGH FOR AN EMERGENCY STOP OR NORMAL TRAFFIC BRAKING. *KB

Mileage: 31,000

I WAS DRIVING ON I-680 NORTH TODAY AND SUDDENLY THE "BRAKE", "ABS" AND "SLIP INDICATOR" TURNED ON AND STARTED BEEPING. AT THAT TIME I DID NOT REALIZE WHAT HAPPENED, BUT WHEN I TRIED TO BRAKE THE PEDAL WAS REALLY HARD TO PRESS AND I WAS NOT ABLE TO SLOW DOWN. I FINALLY WAS ABLE TO SLOW DOWN BY GOING ON A RAMP AND THEN REALLY PRESSING DOWN ON THE BRAKE WHERE THE CAR JERKED AND SLOWED DOWN. AGAIN THE BRAKES WERE NOT WORKING. I WAS FINALLY ABLE TO GET THE CAR TO STOP. WHEN I TURN THE CAR ON AGAIN, THE SAME LIGHTS SWITCH ON AND THE CAR IS BEEPING. *TR

Mileage: 25,000

WHILE DRIVING ON INTERSTATE, THE BRAKE AND VEHICLE STABILITY ASSIST LIGHTS SUDDENTLY WENT ON AND A BEEPING ALARM SOUNDED. THE BRAKES WERE NOT VERY EFFECTIVE, AND IT WAS VERY DIFFICULT TO SLOW DOWN AND STOP THE CAR WHEN WE PULLED OVER. WE HAD THE CAR TOWED TO THE DEALERSHIP, WHERE THEY INFORMED US THAT THE ABS PUMP AND THE ENTIRE BRAKING SYSTEM NEEDED TO BE REPLACED...ON OUR ONE YEAR OLD CAR! PARTS ALONE TOTALED OVER $4000 DOLLARS, WITHOUT LABOR. TOYOTA WAS UNWILLING TO REPLACE, AS THE CAR WAS OUT OF WARRANTY FOR MILEAGE. CLEARLY A DEFECTIVE SYSTEM IN OUR CAR, BUT THEY WERE NOT WILLING TO STAND BEHIND THEIR PRODUCT TO COVER. ANGRY CUSTOMER, ESPECIALLY GIVEN THE FACT THAT TOYOTA STATES THAT THEY WANT TO RESTORE CUSTOMER FAITH IN THEIR PRODUCT. WE WERE LUCKY THAT INJURY DID NOT RESULT FROM THE FAILURE OF THE PARTS NEEDED TO STOP THE CAR.

Mileage: 46,000

WHEN I AM DRIVING AND HIT A POTHOLE, THE CAR JOLTS FORWARD. IT'S A PRETTY SCARY FEELING TO BE OUT OF CONTROL WHEN THAT HAPPENS. I DON'T DRIVE OFTEN, SO I CAN ONLY IMAGINE HOW MANY MORE TIMES THIS COULD HAPPEN. I DO LIKE MY CAR AND IS ONLY A YEAR OLD, BUT THIS IS QUITE CONCERNING. I AM EXTRA CAREFUL, BUT WHAT IF I HIT SOMEONE IN THE STREET OR THE CAR IN FRONT OF ME. I HAVE SEEN A FEW COMPLAINTS ABOUT THIS SAME EXACT REASON. PLEASE SOMETHING HAS TO BE DONE ABOUT IT BEFORE SOMEONE GETS HURT. *TR

Mileage: 800

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT THE VEHICLE WAS SERVICED UNDER NHTSA CAMPAIGN ID NUMBER: 10V039000 (SERVICE BRAKES, AIR: ANTILOCK: CONTROL UNIT/MODULE). THE CONTACT NOTICED THAT AFTER THE RECALL REPAIRS, THERE WAS AN ABNORMAL INCREASE IN STOPPING DISTANCE WHEN BRAKING OVER UNEVEN PAVEMENT. THE CONTACT STATED THERE HAVE BEEN SEVERAL OCCASION WHEN THE VEHICLE FLOATED INTO AN INTERSECTION BECAUSE THE FAILURE PREVENTED THE VEHICLE FROM STOPPING. THE VEHICLE WAS TAKEN TO THE DEALER FOUR TIMES WHERE THE CONTACT WAS TOLD THERE WERE NO FAILURES WITH THE VEHICLE BECAUSE THE BRAKING SYSTEM WAS OPERATING AS DESIGNED. THE FAILURE MILEAGE WAS UNAVAILABLE.

MY DRIVING RECORD WAS CLEAN UNTIL THIS 2010 PRIUS. IN ONE YEAR I HAVE HAD TWO ACCIDENTS AND SEVERAL INCIDENTS, ALL OF WHICH I AM NOW CONVINCED DUE TO BRAKE FAILURE. THE FIRST ACCIDENT TOOK PLACE END OF DECEMBER 2010. I WAS GOING ONLY ABOUT 10 MPH. I HIT THE BRAKES REPEATEDLY TO TRY TO GET THE CAR TO STOP. AT THE TIME I THOUGHT THE CAR DID NOT STOP BECAUSE OF ICE, BUT NOW AFTER THIS 2ND ACCIDENT AND RESEARCHING OTHER PRIUS REPORTS, I AM CONVINCED THIS FIRST ACCIDENT WAS ALSO BECAUSE THE BRAKES FAILED TO WORK. SINCE I DID NOT SUSPECT THIS AT THE TIME, I DID NOT REPORT IT OR HAVE THE BRAKES CHECKED WHEN THE CAR WAS REPAIRED. THE 2ND ACCIDENT WAS LAST NIGHT, DEC 8TH, 2011. I WAS TRAVELING BETWEEN 25-30 MPH. THE BRAKES CLEARLY FAILED TO WORK, AND I HIT A CAR STOPPED AT THE TRAFFIC LIGHT IN FRONT OF ME. I HAD PLENTY OF DISTANCE TO STOP. THE CAR DID NOT SLOW DOWN, IF ANYTHING, IT MAY HAVE SPEEDED UP, BUT I CANNOT DEFINITELY SAY THIS, AS I WAS TOO FREAKED OUT LOOKING AT THE CAR I WAS GOING TO HIT TO CHECK MY SPEED. THE ROAD WAS NOT ICY. THE IMPACT DEMOLISHED THE FRONT END OF THE PRIUS. MY AIR BAG ALSO DID NOT INFLATE. I HAVE WHIPLASH FROM THIS SECOND ACCIDENT. FORTUNATELY NO ONE ELSE WAS INJURED. I NOW REALIZE I HAD SEVERAL OTHER BRAKE 'SLIPPAGE' PROBLEMS LAST WINTER THAT DID NOT RESULT IN ACCIDENTS AND I DID NOT IDENTIFY THEN AS BRAKE PROBLEMS. I THOUGHT IT WAS MY SNOW TIRES, EVEN THOUGH THEY WERE BRAND NEW. I TOOK THE CAR BACK TO THE TIRE DEALER LAST MONTH WHO SAID THEY HAD NO OTHER COMPLAINTS ABOUT THAT BRAND OF TIRE, BUT I SO CONCERNED I HAD THEM REPLACE THE TIRES ANYWAY WITH NEW ONES OF A DIFFERENT BRAND. I HAVE OPENED A CASE WITH TOYOTA AFTER I STARTED TO RESEARCH 2010 PRIUS AND FOUND A RECALL ON THIS MODEL AND YEAR FROM BEFORE I LEASED THIS CAR. TOYOTA SAYS THERE IS NOT A RECALL ON MY VIN#. I WANT TOYOTA TO TAKE RESPONSIBILITY FOR THIS ACCIDENT AND TAKE BACK THE CAR. *TR

Mileage: 7,000

WHILE DRIVING, WHEN VEHICLE IS COASTING (DECELERATING) IN ECO MODE/ENGINE OFF AND BRAKES ARE APPLIED UNDER SPECIFIC CONDITIONS SUCH AS PASSING OVER A MAN-HOLE COVER OR POTHOLE THE FOLLOWING OCCURS: CAR DECELERATES, AS WHEEL/TIRE HITS AN ANOMALY IN THE ROAD SURFACE THE BRAKES MOMENTARILY FAIL AND THE CAR SURGES FORWARD AS THE ENGINE STARTS. THE SENSATION IS A LOSS OF BRAKING FORCE, PLUS MOMENTARY SURGE IN THE FORWARD DIRECTION. REACTION TO THIS SITUATION IS MILD PANIC AND OVERBRAKING, (LITERALLY SLAMMING ON THE BRAKE PEDAL). THIS PROBLEM CAN BE RECREATED FAITHFULLY AT ONE ROAD CLOSE TO A STOPSIGN/INTERSECTION. THIS PROBLEM HAS OCCURRED FOR MONTHS. RECENTLY (11/30/11) WHEN FOLLOWING A CAR ON THIS SPECIFIC ROAD THE CAR STOPPED ABRUPTLY DUE TO AN ANIMAL JARTING INTO THE ROAD. I APPLIED THE BRAKES, BRAKE ANOMALY OCCURRED AND FELT I COULD NOT STOP IN TIME. EVASIVE DRIVING MEASURES FORCED ME INTO THE ON-COMING TRAFFIC LANE TO AVOID A COLLISION. TOYOTA UNWILLING TO ADDRESS THIS ISSUE AT THE DEALER OR CORPORATE. *TR

Mileage: 8,122

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 20 MPH THE CONTACT DEPRESSED THE BRAKE PEDAL AND IT FELL TO THE FLOOR BOARD. THE CONTACT WAS ABLE TO AVOID CRASHING INTO SEVERAL VEHICLES HE TURNED ONTO A SIDEWALK AND HIT A STREET LAMP, WHICH THEN CRASHED ON TOP OF THE VEHICLE, CAUSING EXTENSIVE DAMAGE. A POLICE REPORT WAS FILED. THE POLICE OFFICER INSPECTED THE VEHICLE AND CONFIRMED THE BRAKES HAD FAILED. THE VEHICLE WAS TOWED TO AN AUTO BODY SHOP. THE VEHICLE WAS INCLUDED PREVIOUSLY IN THE RECALL UNDER NHTSA CAMPAIGN ID NUMBER: 10V039000 (SERVICE BRAKES, AIR:ANTI-LOCK:CONTROL UNIT/MODULE) AND HAD THE RECALL REPAIRS PERFORMED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 8,190 ....UPDATED 12/03/12 *BF UPDATED 01/11/12

Mileage: 8,190

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 20 MPH THE CONTACT DEPRESSED THE BRAKE PEDAL AND IT FELL TO THE FLOOR BOARD. THE CONTACT WAS ABLE TO AVOID CRASHING INTO SEVERAL VEHICLES HE TURNED ONTO A SIDEWALK AND HIT A STREET LAMP, WHICH THEN CRASHED ON TOP OF THE VEHICLE, CAUSING EXTENSIVE DAMAGE. A POLICE REPORT WAS FILED. THE POLICE OFFICER INSPECTED THE VEHICLE AND CONFIRMED THE BRAKES HAD FAILED. THE VEHICLE WAS TOWED TO AN AUTO BODY SHOP. THE VEHICLE WAS INCLUDED PREVIOUSLY IN THE RECALL UNDER NHTSA CAMPAIGN ID NUMBER: 10V039000 (SERVICE BRAKES, AIR:ANTI-LOCK:CONTROL UNIT/MODULE) AND HAD THE RECALL REPAIRS PERFORMED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 8,190 ....UPDATED 12/03/12 *BF UPDATED 01/11/12

Mileage: 8,190

I'M AN OWNER OF A 2010 PRIUS. TEN DAYS OR SO AFTER I PURCHASED THE CAR(IN JAN 2010), I EXPERIENCED A LOSS IN BRAKING WHICH RESULTED IN DAMAGE TO THE BUMPER. NUMEROUS!!!! ALMOST DAILY!!!! TIMES SINCE, EVEN AFTER THE RECALL FIX (DONE ON MY VEHICLE ON 3/10/10), I HAVE EXPERIENCED, NOT ONLY A LOSS OF BRAKING (USUALLY WHILE GOING OVER SOME LITTLE BUMP) BUT THE CAR ACTUALLY LURCHING FORWARD. QUITE DRAMATIC AND SCARY, ESPECIALLY IF THERE IS A STOP SIGN, INTERSECTION, A CAR OR A PERSON IN FRONT OF YOU. LAST THURS (11/10/11), THE ROAD SURFACE WAS WET, AND I BRAKED AND HAD NO, NONE , NADA BRAKES AND I REAR ENDED THE PERSON IN FRONT OF ME. I PAID FOR HER DAMAGE OUT OF MY OWN POCKET. I HAVE NOT FIXED THE DAMAGE DONE TO MY CAR. BRAND NEW ALL SEASON TIRES ON THE CAR, BY THE WAY. TODAY (11/14/11), AGAIN THE ROAD SURFACE WAS WET, I WAS BEHIND A CAR IN THE RIGHT LANE WHEN A CAR INAPPROPRIATELY BEGAN MERGING FROM A RAMP ON THE RIGHT, CAUSING THE CAR IN FRONT OF ME TO SUDDENLY SLOW DOWN. I BRAKED, AND AGAIN, NOTHING!!! I QUICKLY LOOKED IN MY SIDE VIEW MIRROR AND SAW I HAD CLEARANCE TO GO IN THE LEFT LANE, AND MANAGED TO AVOID CONTACT. 10 DAYS AFTER I PURCHASED THE 2010 PRIUS, I SAID I WANTED TO RETURN IT AND I SENT IN ALL THIS DOCUMENTATION CERTIFIED MAIL, BUT TOYOTA REJECTED EVERYTHING. THERE IS A DEFECT IN THIS CAR AND IT IS UNSAFE. *TR

Mileage: 750

WHEN I WAS PULLING INTO A PARKING SPOT, THE BRAKES FAILED AND THE VEHICLE ACCELERATED ON ITS OWN CAUSING ME TO RUN OVER THE CEMENT PARKING STOP AND CRASH INTO A CEMENT WALL. THE VEHICLE THEN BACK UP FROM THE CONCUSSION AND ACCELERATED ONCE AGAIN CAUSING ME TO CRASH TWICE. I FINALLY CAME TO MY SENSES AND SHUT THE VEHICLE OFF. I HAD BEEN NOTICING THE BRAKES FEELING STRANGE PRIOR TO THIS INCIDENT. THIS CAUSED $6,400 IN DAMAGE. TOYOTA WAS ALERTED, HAD THE VEHICLE INSPECTED AND CLAIM IT REVEALED NO EVIDENCE OF ANY SORT OF MALFUNCTION OR DEFECT. IN MY HEART, I KNOW THAT IS NOT TRUE. THIS WAS A VERY FRIGHTENING EXPERIENCE AND I DREAD THIS HAPPENING AGAIN. *TR

Mileage: 16,661

I JUST GOT AN EMAIL FROM MYCARSTATS.COM WHICH AFTER READING THROUGH COMPLAINTS ONE HIT ME AND I THOUGHT "THAT'S EXACTLY WHAT HAPPENED TO US". AT THE TIME, A COUPLE OF MONTHS AGO, WITH TOYOTA'S KNOWN PROBLEMS, I TOLD MY WIFE TO REMEMBER THIS AND LET ME KNOW IF IT EVER HAPPENS AGAIN (WHICH IT HAS NOT). THE PROBLEM OCCURRED WHEN WE WERE TRAVELING AT A LOW SPEED AND I HIT AN SPEED BUMP THE VEHICLE SURGED LIKE I HAD BUMPED THE GAS PEDAL ONLY I HAD MY FOOT ON THE BRAKE.

Mileage: 8,500

I GENTLY DRIVE MY 2010 TOYOTA PRIUS IN ECO MODE TO MAXIMIZE FUEL ECONOMY. EVERY WEEKDAY, SINCE JANUARY 2011, I SLOW ON A CERTAIN ROAD TO MAKE A RIGHT TURN. THE ROAD HAS A MANHOLE COVER RECESSED ABOUT 1 INCH INTO THE ROAD ALONG THE PATH OF MY PASSENGER SIDE TIRES. EVERY TIME I DRIVE OVER THIS MANHOLE COVER THE PRIUS COMPLETELY LOSES ABILITY TO BRAKE FOR ABOUT 1/2 SECOND, THEN BRAKING IS REESTABLISHED. THERE ARE OTHER SMALL BUMPS I DRIVE OVER AT OTHER PLACES WHICH HAVE THE SAME RESULTS TO THE PRIUS BRAKING SYSTEM. YESTERDAY (26 OCT 2011) SOMETHING DIFFERENT BUT POSSIBLY ASSOCIATED HAPPENED WHILE DRIVING OVER A BUMP. THIS TIME I WAS ACCELERATING AFTER HAVING MADE A RIGHT TURN FROM A COMPLETE STOP. WHILE STILL ACCELERATING AFTER THE TURN I SIGNALED LEFT AND PROCEEDED TO MERGE INTO THE LEFT HAND LANE. AS THE PRIUS RIGHT FRONT TIRE DROVE OVER THE REFLECTIVE LANE MARKER IMBEDDED IN THE ROAD SURFACE (THE MARKER STICKS OUT ABOUT 1/2 INCH FROM ROAD SURFACE) THE PRIUS WENT OUT OF CONTROL. THE CAR SUDDENLY AND SEVERELY PULLED HARD TO THE LEFT AND RAPIDLY SLOWED, I STRUGGLED AGAINST THE CARS ACTIONS TO AVOID HITTING THE RAISED CENTER MEDIAN. MY FIRST THOUGH WAS THAT I MUST HAVE HAD A COMPLETE AND INSTANTANEOUS BLOW OUT ON THE FRONT LEFT TIRE. MY REACTION WAS TO IMMEDIATELY REMOVE MY FOOT FROM THE ACCELERATOR. THEN AS I WAS FURTHER ASSESSING MY OPTIONS AND THE SURROUNDING TRAFFIC THE PRIUS REGAINED CONTROL AND I WAS ABLE TO CONTINUE DRIVING DOWN THE ROAD AS IF NOTHING HAD EVER HAPPENED. AS THE PRIUS REINSTATED CONTROL I HEARD A BEEP COME FROM THE DASHBOARD, HOWEVER I WAS NOT QUICK ENOUGH TO NOTICE IF ANY WARNING LIGHTS HAD ENGAGED DURING THE INCIDENT. WHEN I LOOKED AT THE DISPLAYS EVERYTHING APPEARED NORMAL. I ALSO CHECK THE CAR EXTERNALLY AND EVERYTHING APPEARED NORMAL. ALL INCIDENTS ARE ON HIGH QUALITY ROAD SURFACES WITH DRY PAVEMENT. DEALER INDICATES NO RECALLS. *TR

Mileage: 20,000

I DEPRESSED THE BRAKE PEDAL AND, INSTEAD OF SLOWING DOWN, MY CAR SURGED FORWARD FOR ABOUT 20 FEET BEFORE BRAKES ENGAGED AND THE CAR STOPPED --- JUST BEFORE THE INTERSECTION (RED LIGHT). I BARELY AVOIDED HITTING A TRUCK IN FRONT OF ME (I WAS ABLE TO DRIVE AROUND). ROAD SURFACE WAS DRY,WITHOUT ANY POTHOLES,BUMPS,ETC. I TOOK THE CAR TO THE TOYOTA SERVICE CENTER. AFTER CHECKING MY CAR THEY INFORMED ME THAT THE COMPUTER DID NOT DETECT ANY MALFUNCTIONS, THE TEST DRIVE WAS ALSO UNEVENTFUL,SO THAT NOTHING COULD BE DONE TO RESOLVE THE PROBLEM. THIS CAR'S BRAKING IS OBVIOUSLY UNPREDICTABLE AND IT IS ,WITHOUT A DOUBT, NOT SAFE TO DRIVE. *TR

Mileage: 32,000

CAR ABS LIGHT COMES ON, AND AT THE SAME TIME VEHICLE LOSES BRAKE ASSIST OR BRAKE ASSIST BECOMES UNEVEN. CAR HAS HAD THREE BRAKE LIGHT FAILURES - 1 WITH PREVIOUS OWNER AND 2 WITH CURRENT OWNER. FIRST FAILURE WAS REPAIRED BY RESETTING THE COMPUTER, WE THINK. WITH CURRENT OWNER, DEALER HAS REPLACED THE ANTILOCK SENSOR TWO TIMES, AND WITH THE SECOND SENSOR REPLACEMENT TOYOTA NOW HAS PRONOUNCED THE VEHICLE AS SAFE. SINCE THE BRAKES FAILED AFTER THE FIRST SENSOR REPLACEMENT, WE HAVE LITTLE CONFIDENCE THAT THE PROBLEM WAS SOLVED WITH THE SECOND SENSOR REPLACEMENT. WE ARE CONCERNED ABOUT VEHICLE SAFETY, ESPECIALLY SINCE THE CAR IS FREQUENTLY DRIVEN IN HEAVY WASHINGTON BELTWAY TRAFFIC. TYPICALLY CAR RUNS FOR SOME TIME AND THEN FAILS, SO WE DO NOT KNOW IF AND WHEN IT WILL HAPPEN AGAIN. DEALER AND TOYOTA HAVE BEEN UNSUPPORTIVE TO OUR CONCERNS. *TR

Mileage: 300

2010 TOYOTA PRIUS. CONSUMER STATES WHEN ONE OF THE FRONT TIRES TRAVELS OVER UNEVEN PAYMENT SPECIFICALLY AN INDENTATION IN THE ROAD THE BRAKING ACTION FAILS MOMENTARILY *TGW THE CONSUMER STATED THE VEHICLE LUNGED FORWARD A FEW FEET, BEFORE THE BRAKES ENGAGED AGAIN. THE DEALER INFORMED THE CONSUMER THE ISSUE HAD TO DO WITH THE ABS/TRAC SYSTEM. *JB

MY ISSUE IS SIMILAR TO OTHERS THAT HAVE COMPLAINED. WHEN TRAVELING A LOW SPEEDS AND I HIT AN UNEXPECTED BUMP THE VEHICLE SURGES FORWARD. THIS IS VERY DANGEROUS AND ONE THAT I WOULD HOPE TOYOTA TAKE NOTICE AND ADDRESS IMMEDIATELY. *TR

Mileage: 200

I FIRST REPORTED THIS TO TOYOTA PRIOR TO THE INITIAL 2010 RECALL, THE CAR WAS LESS THAN 1 MONTH OLD AND I HAVE REPORTED IT ON NUMEROUS OCCASIONS VIA THE TOYOTA WEBSITE. ON THE FEW OCCASIONS I LENT THE CAR TO FRIENDS THEY HAVE HAD THE SAME EXPERIENCE. DESCRIPTION: WHEN TRAVELING AT RELATIVELY SLOW SPEEDS AND AN UNEXPECTED BUMP COMES UP AND THE BRAKES ARE ENGAGED EARLY, ONCE GOING OVER THE BUMP THE CAR LOSSES BRAKE POWER FOR A FEW SECONDS AND JOLTS FORWARD. IT IS VERY DISCONCERTING B/C IN THOSE SPLIT SECONDS IF ONE IS NOT PREPARED THE CAR HURLS FORWARD AND COULD IF ALL ODDS ARE AGAINST ME, THE CAR COULD KILL SOMEONE IF THEY ARE WALKING IN FRONT OF THE CAR. I REPORTED IT TO MY DEALER, MY DEALER'S INSPECTOR WENT OUT ON TEST DRIVE WITH ME, WE WERE ABLE TO RECREATE THE INCIDENT WHEN HE WAS DRIVING AS THERE ARE A FEW SPOTS IN MY NEIGHBORHOOD THAT IT HAPPENS EVERY TIME. HE PUT THE COMPUTER ON THE CAR BUT IT DID NOT READ THERE WAS A PROBLEM. HE CALLED THE NATIONAL TECHNICAL OFFICE, WHO EVENTUALLY CAME OUT, I LEFT THE CAR AT THE DEALERSHIP. THEY RECREATED THE PROBLEM AND ACCORDING TO THE LOCAL TECHNICIAN THEY PUT A CAMERA IN THE WHEEL TO FILM THE SITUATION. I WAS LATER TOLD BY MY LOCAL TECHNICIAN THAT IT WAS DETERMINED THAT THERE WAS NOT A PROBLEM WITH THE CAR AND THAT THE SITUATION IS NORMAL WHERE THE TIRE CATCHES AN UNEVEN SURFACE AND GOES INTO OVERDRIVE. I HAVE HAD DREAMS THAT I WOULD KILL SOMEONE IN THIS CAR. NOONE IS ALLOWED TO USE THIS CAR FOR THE SAME REASON. I FEAR FOR MY LIFE AND THE LIFE OF ANYONE WALKING IN FRONT OF ME ON A STREET I DO NOT KNOW. IT HAPPENS ALMOST EVERY 2 WEEKS. IT IS SCARY! PLEASE HELP! THIS IS THE FIRST NEW CAR I BOUGHT IN 25 YEARS AND I AM UNABLE TO GET RID OF IT B/C I HAD TO PAY SO MUCH FOR IT. WHEN I INQUIRED WHAT MY OPTIONS WERE, TOYOTA SAID NONE, THAT THERE IS NO PROBLEM WITH THE CAR. *TR

Mileage: 300

I PURCHASED MY 2010 PRIUS IN AUGUST 2010. FOR THE PAST YEAR, I HAVE HAD PROBLEMS WITH THE BRAKE SYSTEM WHEN ATTEMPTING TO BRAKE AT LOW SPEEDS. WHEN BRAKING AT LOW SPEEDS, SUCH AS STOPPING AT A RED LIGHT OR STOP SIGN, IF THE CAR HITS A BUMP OR A POTHOLE, IT STOPS BRAKING AND INSTEAD ACCELERATES FORWARD A BIT. IT IS EXTREMELY FRIGHTENING AND I FIND IT EXCEPTIONALLY DANGEROUS. I HAVE COME EXTREMELY CLOSE TO HITTING THE VEHICLES IN FRONT OF ME ON SEVERAL OCCASIONS. I NOW HAVE TO TRY TO CONSCIENTIOUSLY ADJUST AND DRIVE VERY, VERY SLOWLY WHEN BRAKING ON UNEVEN ROAD SURFACES SINCE I HAVE COME TO ANTICIPATE THIS PROBLEM. HOWEVER, MANY TIMES THERE IS NO WAY TO AVOID THE CAR'S SURGE OF POWER. I BELIEVE THIS IS A HIGHLY DANGEROUS SITUATION WITH MY VEHICLE. A SIMPLE INTERNET SEARCH WILL DEMONSTRATE THAT THIS PROBLEM EXISTS AND WAS NOT RESOLVED WITH THE RECALL IN MARCH 2010. I PURCHASED MY PRIUS, NEW, FIVE MONTHS AFTER THE PROBLEM WAS ALLEGEDLY FIXED AND I HAVE HAD THIS PROBLEM SINCE DAY ONE. THE BRAKES HAVE BEEN EXAMINED ON MY VEHICLE BY A TOYOTA DEALER AND THEY APPEAR TO BE FINE. I HIGHLY BELIEVE THAT A RECALL IS APPROPRIATE TO FIX THIS DANGEROUS BRAKING ISSUE. *TR

Mileage: 15,000

WHEN I PRESSED THE BRAKES WHILE APPROACHING A STOP I HIT A BUMP IN THE ROAD (LARGE POT HOLE). THE PRESSURE ON THE BRAKE RELEASED FOR APPROXIMATELY 1 SECOND BEFORE THE PRESSURE ON THE BRAKE PAD RE-ENGAGED. THIS SAME SCENARIO CAN HAPPEN ANY WHERE FROM 0 TO 2 TIMES PER WEEK. IN THE WINTER WHEN THE ROAD SURFACE IS NOT CLEAR IT IS APPARANT THAT WHEN THE BRAKE "DISENGAGES" THE ANTI-LOCK DOESN'T ENGAGE BECAUSE THE CAR SLIDES. I HAVE SLIDE THROUGH A RED LIGHT, ONTO A BUSY STREET. FORTUNATELY THERE HAVE NOT BEEN CARS IN THE VACINITY. I HAVE TAKEN THE CAR TO THE DEALERSHIP 3 TIMES FOR THIS PROBLEM WITH NO SOLUTION OR RECOMMENDATION.

Mileage: 1,000

2010 TOYOTA PRIUS, WITH 29000 MILES. PULLING INTO A PARKING LOT AT A VERY SLOW SPEED, APPLIED BRAKES TO STOP CAR, BUT IT DID NOT STOP IT, IT STARTED JERKING FORWARD, UNTIL IT STOPPED WHEN IT STRUCK A FENCE, INJURIES OCCURED AS A RESULT, SEAT BELT DID NOT OLD BACK DRIVER, AND DRIVER WIPPED FORWARD AND BACK STRIKING STEERING WHEEL. VEHICLE WAS TOWED TO TOYOTTA DEALER. STILL WATING FOR TOYOTA CORP TO ADVISE OF ERROR THAT OCCURED, DATA FROM CMPUTER HAS BEEN DOWNLOADED BY A PRIVATE FIRM AND DELIVERED TO TOYOTA. 8/9/11 ACCIDENT OCCURED ON 7/25/11 AT 14:30. *TR

Mileage: 29,980

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE VEHICLE WAS INCLUDED IN THE RECALL UNDER NHTSA CAMPAIGN ID NUMBER 10V039000 (SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE) AND HAD THE REPAIRS PERFORMED. THE CONTACT STATED THAT AFTER THE REPAIRS WERE PERFORMED, WHILE DRIVING APPROXIMATELY 15 MPH OVER A UNEVEN ROAD SURFACE, THE BRAKE PEDAL WAS DEPRESSED AND THE VEHICLE SUDDENLY ACCELERATED FOR A FEW MOMENTS. THE CONTACT ALSO STATED THAT THE FAILURE ONLY OCCURRED WHEN DRIVING OVER AN UNEVEN ROAD SURFACE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR DIAGNOSTICS, WHERE THE TECHNICIANS WERE UNABLE TO DIAGNOSE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 100. THE VIN WAS NOT AVAILABLE. HAD THE RECALL DONE BUT IT DID NOT FIX THE PROBLEM. TOYOTA HAS BEEN UNRESPONSIVE AND THE DEALERS SAY THERE'S NOTHING THEY CAN DO. UPDATED 11/16/2011 *LN *TR

Mileage: 100

EVER SINCE I PURCHASED MY 2010 PRIUS IN NOVEMBER, 2009 THE BRAKES HAVE BEEN A PROBLEM. WHEN BRAKING WHILE DRIVING OVER A BUMP OR POTHOLE THE CAR LOOSES BRAKING ABILITY AND THERE IS A SURGE OF POWER. THE DEALERSHIP CLAIMS THERE IS NO PROBLEM AND THE RECALL WORK HAS NOT MADE A NOTICEABLE DIFFERENCE. *TT

Mileage: 20,472

BRAKES FAILED. 2010 TOYOTA PRIUS. 160,000 MILES ON VEHICLE. WHEN I STARTED THE CAR, I HAD NO BRAKES. WHEN I PUT THE CAR IN GEAR, I THEN HAD BRAKES. I HAD BRAKES WHEN I PULLED UP TO A STOP SIGN. AS I WAITED FOR TRAFFIC I THEN HAD NO BRAKES. WHEN I BEGAN TO MOVE I HAD BRAKES, BUT THEN AS I GAINED SPEED, THE BRAKES WENT OUT. I MANAGED TO STOP WITH THE EMERGENCY BRAKE. CHECKED THE BRAKE FLUID: COMPLETELY FULL. DEALER SAID THE MASTER CYLINDER WENT BAD. ORGINAL BRAKES ON VEHICLE; NOT EVEN HALF USED. HIGHWAY MILES ON VEHICLE. VERY HOT DAY. I BELIEVE IT IS ELECTRICAL, DEALER SAYS MECHANICAL. HAD THERE BEEN AN ACCIDENT, THIS INCIDENT WOULD BE LOOKED INTO. AS IT IS, NO DEALER WILL LOOK INTO A CAR THAT IS OUT OF WARRENTY. I COMPLAINED FOR 5 MONTHS ABOUT THE BRAKES WHEN I FIRST BOUGHT THE CAR NEW. DEALER TOLD ME THAT THERE IS NOTHING WRONG WITH THE BRAKES. EVEN AFTER THE RECALLS, THERE STILL IS PROBLEMS WITH THE BRAKES. NOW I BELIEVE THERE IS A PROBLEM WITH THE MASTER CYLINDER, -THE ELECTRIC COMPONENT PART OF IT- BUT TOYOTA WILL ONLY LOOK INTO IT WHEN THERE IS A SERIOUS ACCIDENT.

Mileage: 160,000

I AM EXPERIENCING THE SAME PROBLEM AS MANY OTHER 2010 PRIUS OWNERS. THE BRAKES FAIL BRIEFLY WHEN DRIVING OVER LARGE POTHOLES LOCATED ON A GRADE. I HAVE DISCUSSED THE PROBLEM WITH A TOYOTA DEALERSHIP AND WAS TOLD THAT THEY ARE AWARE OF THE PROBLEM BUT UNTIL A RECALL/SOLUTION IS ISSUED THERE IS NOTHING THAT THEY CAN DO. THEY TOLD ME TO BRAKE HARDER WHEN DRIVING OVER POTHOLES TO COMPENSATE FOR THE PROBLEM; THE BRAKES, HOWEVER, DO NOT FAIL WITH EVERY POTHOLE. IT SEEMS LIKE THE POTHOLES HAVE TO BE A CERTAIN SIZE, YET FROM THE DRIVER'S SEAT, IT'S EXTREMELY DIFFICULT TO JUDGE THE SIZE OF THE POTHOLE AND THUS IF THE CAR WILL LOSE BRAKING POWER. SO, SLAMMING ON THE BRAKES FOR EVERY POTHOLE IS JUST AS DANGEROUS AS NOT SINCE STOPPING TOO QUICKLY CAN CAUSE A REAR-END ACCIDENT. I LIVE IN A CITY OVERWHELMED WITH HILLS AND POTHOLES SO THIS PROBLEM HAPPENS NEARLY EVERY TIME I DRIVE THE CAR. IT HAS GOTTEN TO THE POINT WHERE I AM FEARFUL TO DRIVE MY CAR SINCE I HAVE HAD SEVERAL CLOSE CALLS AND KNOW THAT UNLESS THIS PROBLEM IS FIXED, IT WILL EVENTUALLY CAUSE AN ACCIDENT. BRIEFLY LOSING BRAKING POWER MAY SEEM INSIGNIFICANT BUT UNTIL YOU HAVE ACTUALLY DRIVEN THE CAR AND EXPERIENCED THE LACK OF CONTROL THE ONLY COMPARISON THAT I CAN MAKE IS DRIVING ON ICE. YOU FEEL UTTERLY HELPLESS FOR THE TIME THAT THE CAR IS OUT OF YOUR CONTROL, EVEN IF IT'S ONLY A FEW SECONDS, DURING WHICH TIME YOU ARE LEGALLY AND MORALLY ACCOUNTABLE FOR WHAT YOUR CAR DOES OR HITS. THERE ARE PLENTY OF OTHER ROAD HAZARDS AND SAFETY CONCERNS, WHETHER OR NOT MY CAR IS GOING TO STOP WHEN I APPLY THE BRAKES SHOULD NOT BE ONE OF THEM. I IMPLORE YOU, PLEASE INVESTIGATE THIS PROBLEM AND REQUIRE THAT TOYOTA TAKE RESPONSIBILITY FOR FIXING IT AND ENSURING THE SAFETY OF PRIUS OWNERS, PEDESTRIANS AND OTHER DRIVERS. THANK YOU.

I WAS MAKING A SHARP RIGHT TURN TO PULL INTO A PARKING SPACE, SLOWING TO A STOP. THE CAR SUDDENLY AND UNEXPECTEDLY ACCELERATED FORWARD OUT OF MY CONTROL. I APPLIED THE BRAKES AS HARD AS I COULD, WITH NO RESPONSE. AS THE CAR WAS RACING INTO A TREE, I SHUT OFF THE ENGINE BY PUSHING THE POWER BUTTON TO OFF. THE CAR KNOCKED DOWN A TREE AND CAME TO A STOP ON TOP OF IT.

Mileage: 20,000

CAR STOP ON CROWED WARNING APPERED ON DASH HYBID OVER HEATING CAR STOP. HAD TO RESTAT CAR. BY TIME PULLED TO SHOULDER WARNING LIGHT WHENT OFF. CAR SMELLED OF BURNING THIS HAPPEN ON FRIDAY ON SAT BROUGH CAR TO SANTA MONICA THEY HAD NO ANSWER. AS NEEDED MORE INFO HAD CAR TOWED ON MONDAY LEFT CAR TILL SAT. THEIR DIAGNOSIS USING GAS AND BRAKE AT SAME TIME HOW DO YOU DO THIS WITH ONE RIGHT FOOT? . YOU NEVER DRIVE WITH THE LEFT FOOT COMPUTOE IS IN ERROR

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT WAS DRIVING APPROXIMATELY 5 MPH WHEN THE ANTI-LOCK BRAKES ENGAGED INDEPENDENTLY AND CAUSED THE VEHICLE TO COME TO A SUDDEN HALT. THE VEHICLE WAS INSPECTED BY THE DEALER WHO WAS UNABLE TO DIAGNOSE OR DUPLICATE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 100.

Mileage: 100

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED WHILE DRIVING AT LOW SPEEDS IN INCLEMENT WEATHER AND TRYING TO DECELERATE THE VEHICLE WOULD NOT STOP MOVING AND IT CRASHED INTO THE REAR OF ANOTHER VEHICLE. THERE WERE NO INJURIES FROM EITHER VEHICLE. A POLICE REPORT WAS FILED. THE VEHICLE WAS NOT TOWED BECAUSE IT WASN'T A MAJOR CRASH. THE MANUFACTURER WAS THEN CONTACTED AND THEY ADVISED HIM THAT THEY WERE UNAWARE OF ANY FAILURES IN REGARDS TO THE BRAKES. THE FAILURE MILEAGE WAS APPROXIMATELY 65,000. UPDATED 08/31/2011 *LN *TR

Mileage: 65,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT THE BRAKES WERE APPLIED BUT THE VEHICLE DID NOT RESPOND OR SLOW DOWN. THE ABS WARNING LIGHT ILLUMINATED AND THE DRIVER HAD TO USE THE PARKING BRAKE TO STOP. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHO REPLACED THE MASTER CYLINDER. THE FAILURE CONTINUED. THE VEHICLE WAS TAKEN BACK TO THE DEALER WHERE IT WAS SCHEDULED FOR A SECOND REPAIR. THE VIN WAS UNAVAILABLE. THE CURRENT MILEAGE WAS APPROXIMATELY 100,000 AND THE FAILURE MILEAGE WAS 97,000.

Mileage: 97,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED AS HE WAS PULLING INTO A PARKING SPACE, HE CRASHED INTO A WALL BECAUSE OF THE BRAKE PEDAL ENGAGED. THE CONTACT STATED THE ACCELERATOR PEDAL AND BRAKE PEDAL WAS NOT POSITIONED PROPERLY. THE CONTACT TRIED TO STOP THE VEHICLE AND HIS FOOT MOVED OFF OF THE ACCELERATOR AND UNDER THE BRAKE PEDAL. THE MANUFACTURER INSPECTED THE VEHICLE AND STATED THE SPACE BETWEEN THE ACCELERATOR AND BRAKE PEDAL MEET THEIR SPECIFICATIONS. THE FAILURE AND CURRENT MILEAGES WERE 2,600. UPDATED 6/8/11 *CN UPDATED 06/15/11

Mileage: 2,600

SUDDEN LOSS OF BRAKING WHILE SLOWING DOWN WHILE GOING OVER A BUMP. APPARENTLY THE REGENERATIVE BRAKING FAILS, AND THE CAR RELIES ON ONLY FRICTION BRAKING WHEN GOING OVER A BUMP. THIS GIVES THE FEELING OF BRAKE FAILURE AND UNINTENDED ACCELERATION, AND THE ONLY WAY TO PREVENT AN ACCIDENT IS TO PUSH HARD ON THE BRAKES. THIS HAPPENS CONSISTENTLY, AND HAS SINCE THE CAR WAS NEW. THE TOYOTA ABS ECU FLASH WAS PERFORMED, AND MADE LITTLE OR NO DIFFERENCE.THIS IS VERY DISCONCERTING TO SAY THE LEAST, AND WILL LEAD TO ACCIDENTS. TOYOTA CLAIMS THAT THIS IS THE "NORMAL" OPERATION OF THE ABS SYSTEM - IN REALITY IT HAS NOTHING TO DO WITH THE LOSS OF TRACTION. CHECK OUT THESE DATA: HTTP://PRIUSCHAT.COM/FORUMS/GEN-II-PRIUS-TECHNICAL-DISCUSSION/93233-DATA-BRAKE-LOSS-AKA-SUDDEN-ACCELERATION-AFTER-BUMP.HTML. *TR

Mileage: 16,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE THE CONTACT WAS DRIVING APPROXIMATELY 10 MPH, THE BRAKE PEDAL WAS ENGAGED AND THE VEHICLE BEGAN TO LURCH FORWARD UNEXPECTEDLY. THE FAILURE RECURRED WHENEVER DRIVING IN RAINY WEATHER CONDITIONS OR BUMPY AND ICY ROAD SURFACES. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER AND REPAIRED UNDER NHTSA CAMPAIGN ID NUMBER: 10V039000 (SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE). THE RECALL REMEDY FAILED TO CORRECT THE PROBLEM AND THE FAILURE PERSISTED AFTER THE REPAIR. THE FAILURE MILEAGE WAS APPROXIMATELY 1,000. THE VIN WAS UNAVAILABLE.

Mileage: 1,000

I TRAVEL QUITE A BIT THESE DAYS AND ON MY WAY HOME FROM COACHELLA MUSIC FESTIVAL, MY BRAKES GAVE OUT. I MEAN TO SAY, PUSHING THE PEDAL ALL THE WAY DOWN, NO RESISTANCE, NO SLOWING, A COMPLETELY LIMP PEDAL....UNTIL I REPEATEDLY STOMPED ON IT AND THE CAR LOCKED AND SKIDDED TO A STOP, FEET AWAY FROM THE CAR IN FRONT OF ME. THE BRAKES RETURNED INTERMITTENTLY, SO I TOOK THE RIGHT HAND LANE AT 40MPH AND TESTED THE BRAKES REGULARLY UNTIL I GOT TO MY DEALERSHIP. SCARIEST THING IVE EVER EXPERIENCED. IVE HAD THE CAR SINCE AUGUST 09' AND CURRENTLY HAVE 43K MILES ON IT. I KNOW THATS A LOT, AND ITS UNFORTUNATELY OUTSIDE OF MY WARRANTY NOW, BUT I WANTED TO LOG IT HERE, AS SOON AS I COULD. IT STARTED ONE DAY BEFORE THE FREEWAY INCIDENT, WHENEVER I WOULD DEPRESS THE PEDAL, A LOUD HIGH PITCHED SQUEAK WOULD COME OUT. I DIDNT THINK MUCH OF IT OUTSIDE OF "BETTER GET THAT LOOKED AT" BUT DIDNT NOTICE ANY BRAKE FAILURE. THE NEXT MORNING, I TURNED ON THE CAR AND EVERY DASHBOARD LIGHT CAME ON AND A FAST CONSISTANT BEEPING WENT ON FOR ABOUT 5 MINUTES, DURING WHICH TIME THE BRAKE PEDAL HAD ZERO RESISTANCE. I SAT THERE WITH A SERIOUS WTF LOOK ON MY FACE, WHEN OUT OF NOWHERE, THE DASH LIGHTS WENT AWAY, AS DID THE BEEPING, AND THE CAR DROVE AS NORMAL WITH FULL REGULAR BRAKE PRESSURE (BESIDES THE SQUEAK). I RECEIVED A CALL BACK FROM THE DEALERSHIP. THEY SAY IT'S GOING TO BE $3K FOR A MASTER CYLINDER REPLACEMENT AND THAT TOYOTA CORPORATE WOULDN'T AID IN THE COST, DESPITE MY HYBRID WARRANTY STILL COVERING THE HYBRID ECU (THE MASTER CYLINDER UNIT INCLUDES THE ECU). [XXX] (MY DEALERSHIP SERVICE MANAGER) SAID HERSELF THAT IT WAS NOT MY FAULT AND THAT THE PART IS NOT REPAIRABLE, "IT EITHER WORKS, OR IT DOES NOT. IT MUST BE REPLACED". THIS COULD HAVE BEEN CATASTROPHIC, HAD I BEEN ANY CLOSER TO THE CAR IN FRONT OF ME. THE FAILURE OF ONE PART (WHICH FAILED THROUGH NO FAULT OF THE CUSTOMER) RENDERING THE BRAKES NEARLY USELESS IS TOO SCARY NOT TO REPORT HERE. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U

Mileage: 43,000

2010 TOYOTA PRIUS. CONSUMER STATES PROBLEM WITH THE ABS SYSTEM *TGW THE CONSUMER STATED THE FIRST TIME HE WENT TO THE DEALER FOR THE ABS PROBLEM, THEY WERE UNABLE TO FIND A DEFECT. ONE MONTH LATER, THE CONSUMER RETURNED TO THE DEALER AND THEY REPROGRAMMED THE ABS AND THE BRAKES WORKED FINE FOR ABOUT ONE WEEK. SOON, THE BRAKES BEGAN SLIPPING AGAIN AND ULTIMATELY, THE CONSUMER CRASHED INTO ANOTHER VEHICLE. THE CONSUMER STATED IT SEEMED THE BRAKES WOULD FAIL WHEN HE APPLIED THE BRAKE, RELEASED HIS FOOT AND THEN BRAKED AGAIN. *JB

Mileage: 9,930

DRIVING ON A RAIN COVERED ROAD AND HIT A ROUGH SPOT IN THE ROAD. BRAKES DID NOT ENGAGE AT ALL FOR ABOUT 1 SECOND. WAS ABLE TO STOP AFTER THAT AND JUST AVOIDED REAR ENDING A CAR AT A STOP SIGN.

2010 TOYOTA PRIUS--INCONSISTANT BRAKING AND VARYING BRAKE PEDAL PRESSURE REQUIREMENTS. WHEN BRAKING, BRAKE PEDAL TRAVEL DISTANCE VARIES. AT TIMES NO BRAKE ACTION AFTER PEDAL HAS BEEN PARTIALLY DEPRESSED REQUIRING MORE BRAKE PRESSURE TO RE-ENGAGE BRAKES. SOMETIMES OCCURS WHEN GAS ENGINESWITCHES TO ELECTRIC OR VICE VERSA, OTHER TIMES INCONSISTENT BRAKE ACTION OCCURS WITH EITHER POWER SOURCE. FRANKLY YOU NEVER KNOW HOW THE BRAKES WILL PERFORM. TAKEN TO DEALER-I WAS TOLD NO PROBLEM FOUND. THEY WOULD NOT KEEP THE CAR FOR DAYS TO CONTINUE TESTS. THIS IS MY FOURTH PRIUS AND THIS VEHICLE HAS MORE PROBLEMS AND CONCERNS THAN ALL THE OTHERS COMBINED. *TR

Mileage: 1,000

I DRIVE A 2010 TOYOTA PRIUS. IN THE LAST WEEK I HAVE NOTICED ON SEVERAL OCCASIONS THAT WHEN BRAKING WHEN COMING UP TO A TRAFFIC LIGHT, ALL OF A SUDDEN THE PRESSURE ON THE PEDAL DECREASES AND THE BREAKING POWER FADES. THEN IN PANIC I START PUMPING THE PEDAL WHICH AFTER A SPLIT SECOND GETS THE BRAKES TO KICK IN AGAIN. LUCKILY THE CAR HAS SO FAR THEN COME TO A HALT BEFORE I HIT THE CAR IN FRONT OF ME. MY TOYOTA DEALER HAS DISMISSED MY CLAIM SAYING THAT THEY CHECKED THE CAR AND THE COMPUTER SHOWS NO ERROR CODE. THEY TOLD ME THAT EVERYTHING IS FINE BASICALLY DISMISSING MY CLAIMS OF A NEAR CRASH. THEY SAY THERE IS NOTHING THEY CAN DO AND IF THE COMPUTER SHOWS NO ERROR EVERYTHING MUST BE FINE. THE FIRST OCCURRENCE OF THIS WAS ON THE SAME DAY WHEN I HAD TO BRAKE VERY HARD TO AVOID A CRASH. ON THAT OCCASION THE BRAKES WORKED FINE BUT DRIVING HOME THE SAME NIGHT I HAD THE FIRST OCCURRENCE OF THE ABOVE DESCRIBED SITUATION RESULTING IN A NEAR CRASH. *TR

Mileage: 4,020

TL- THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED WHILE ATTEMPTING TO BRAKE THE BRAKE DID NOT RESPOND HE HAD TO INCREASE THE STOPPING DISTANCE HE EXPERIENCED THE FAILURE SEVERAL TIMES, BUT THE FAILURE OCCURRED INTERMITTENTLY. THE VEHICLE WAS TAKEN TO THE DEALER WHOM PERFORMED A DIAGNOSED, BUT WAS UNABLE TO LOCATE A FAILURE CODE THE VEHICLE WAS ALSO TEST DRIVEN, BUT THE FAILURE COULD NOT BE RECREATED. THE MANUFACTURER WAS CONTACTED AND ADVISED TO TAKE THE VEHICLE TO LOCAL DEALERSHIP. THE VEHICLE HAS NOT BEEN REPAIRED. THE FAILURE AND THE CURRENT AND THE CURRENT MILEAGE WERE 9,999. LI

Mileage: 9,999

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT WAS BRAKING FROM APPROXIMATELY 30 MPH AND APPROACHING A TRAFFIC STOP WHEN THE BRAKES FAILED. THE CONTACT VEERED OFF THE ROAD AND CRASHED INTO A SNOW BANK. THE VEHICLE WAS TOWED TO THE DEALER AND THE CONTACT WAS ADVISED THAT THEY WOULD HAVE TO TURN THE VEHICLE OVER TO THE MANUFACTURER AND WAIT FOR A DIAGNOSTIC ON THE VEHICLE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS APPROXIMATELY 4,000.

Mileage: 4,000

I PURCHASED A NEW 2010 TOYOTA PRIUS (MODEL 3) IN LATE JULY 2010. IN ALMOST EVERY RESPECT, THIS CAR IS WONDERFUL. HOWEVER, THE CAR HAS CONSISTENTLY DIMINISHED (APPARENT) BRAKING EFFECTIVENESS WHEN THE BRAKES ARE APPLIED AND THE CAR GOES OVER A PATCH OF ROUGH ROAD, POTHOLE, ETC. WHEN THE BRAKES ARE APPLIED WITH A CONSISTENT PRESSURE, THE CAR "FEELS" AS IF THE BRAKES DISENGAGE UPON ENTERING A ROUGH PATCH OF ROAD. THIS HAPPENS EVERY TIME. (FOR EXAMPLE, I NOTICE IT EVERY TIME I SLOW DOWN AT MY STREET CORNER WHERE THERE IS A LONG-STANDING PATCH OF ROUGH PAVEMENT.) SINCE 1994 I HAVE OWNED 7 CARS WITH ABS (HONDAS, NISSANS, AND TOYOTA CAMRYS), I HAVE NEVER EXPERIENCED A SIMILAR SENSATION IN ANY OF THESE OTHER CARS. I HAVE ADAPTED MY DRIVING STYLE TO THIS ANOMALY, BUT I WORRY ABOUT MY KIDS AND FRIENDS WHO MAY OCCASIONALLY DRIVE MY PRIUS. IT IS UNNERVING TO APPLY THE BRAKES AND HAVE THEM FEEL LIKE THEY ARE DISENGAGING WHEN YOU ENTER A ROUGH PATCH OF ROAD. SINCE THIS PROBLEM OCCURS CONSISTENTLY, I THINK IT SHOULD BE POSSIBLE TO TEST TO SEE IF THIS APPARENT BRAKING ANOMALY IS ACTUALLY INCREASING STOPPING DISTANCES. (FOR EXAMPLE, TEST PRIUS VS. MODEL WITHOUT APPARENT BRAKING ANOMALY ON SMOOTH AND ROUGH ROADS TO SEE IF RELATIVE BRAKING DISTANCES OF PRIUS ARE MORE HEAVILY AFFECTED BY ROUGH ROADS THAT COMPARISON MODEL.) P.S. AFTER PURCHASING MY NEW PRIUS, I NOTED THAT MY DEALER'S SERVICE BLOG, HAD SEVERAL REPORTS OF SIMILAR PROBLEMS THAT WERE NOT CORRECTED AFTER SERVICING BY THE DEALER. SOME POSTS NOTED THAT THE DEALER HAD APPLIED A SOFTWARE FIX THAT TOYOTA DISTRIBUTED IN EARLY 2010. MY CAR WAS MANUFACTURED AFTER THAT FIX. *TR

Mileage: 100

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHILE DRIVING OVER RAILROAD TRACKS SHE TRIED TO APPLY THE BRAKES AND THE PEDAL WENT ALL THE WAY DOWN TO THE FLOOR. THE CONTACT MENTIONED THAT SHE WAITED A COUPLE OF SECONDS BEFORE SHE APPLIED THE BRAKES AGAIN AND THEY FUNCTIONED NORMALLY. THE DEALER SAID THAT IT WAS NORMAL FOR THE VEHICLE TO FUNCTION THAT WAY ON UNEVEN SURFACES. THE MANUFACTURER WAS NOT CONTACTED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE WERE 22,000.

Mileage: 22,000

INCIDENT #1 ON JANUARY 5, 2011 - SUDDEN CHANGE IN BRAKING PERFORMANCE CAUSED CRASH. ACCIDENT OCCURRED IN COMPANY PARKING LOT. THERE WAS SNOW ON THE GROUND. I ATTEMPTED TO SLOW DOWN TO MAKE A RIGHT TURN. THE CAR INITIALLY STARTED TO SLOW DOWN. BUT AS I ATTEMPTED TO TURN TO THE RIGHT THE CAR STARTED TO SLIDE. I TRIED TO CONTROL THE SLIDE WITH THE BRAKES BUT THE CAR WOULD NOT SLOW DOWN AND IT SLID INTO A STONE CURB CAUSING OVER $1,700 IN DAMAGE TO THE CAR. THERE WAS NO FEELING OF ANY BRAKING OCCURRING. THERE WAS NO FEELING OF THE ABS BRAKES PULSING TO CONTROL THE SLIDE. INCIDENT # 2 ON JANUARY 19, 2011 - SUDDEN CHANGE IN BRAKING PERFORMANCE CREATED DANGEROUS STOPPING CONDITION. I WAS APPROACHING A RED LIGHT AT AN INTERSECTION GOING ABOUT 30 MPH. THERE WAS NO SNOW ON THE GROUND. THE ROAD WAS WET. I APPLIED THE BRAKES AND THE CAR INITIALLY STARTED TO SLOW DOWN. SUDDENLY THE BRAKES WERE NO LONGER SLOWING THE CAR DOWN. I THOUGHT THE CAR WAS GOING TO FAIL TO STOP AT THE INTERSECTION. I INCREASINGLY APPLIED MORE AND MORE PRESSURE ON THE BRAKE PEDAL AND THE CAR BEGAN TO SLOW DOWN. THE CAR DID FINALLY STOP AND DID NOT CROSS THE INTERSECTION. THE BRAKE PEDAL PRESSURE THAT I HAD TO APPLY WAS EXTREME - IT FELT LIKE A CAR WITH POWER ASSISTED BRAKES BUT THAT THE POWER ASSIST HAD FAILED. THERE WAS NO FEELING OF THE ABS BRAKES PULSING TO CONTROL THE BRAKING OF THE CAR.

Mileage: 8,227

TL*THE CONTACT OWNS 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 15 MPH AND APPLYING PRESSURE TO THE BRAKES, THE VEHICLE WOULD NOT STOP. THE VEHICLE WAS TAKEN TO THE DEALER BUT THE TECHNICIANS WERE UNABLE TO DUPLICATE THE FAILURE. THE MANUFACTURER STATED THAT THEY COULD NOT ASSIST WITH REPAIRS IF THE FAILURE COULD NOT BE DUPLICATED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 1,000 AND CURRENT MILEAGE IS 6,000.

Mileage: 1,000

I HAD TAKEN AN EXIT AFTER HAVING DRIVEN ABOUT 15 MILES ON HWY 85 & HAD MY FOOT OFF THE ACCELERATOR AS THERE WAS RED SIGNAL AHEAD. BEFORE COMING TO A FULL STOP THE LIGHT TURNED GREEN SO PUT MY FOOT ON THE ACCELERATOR BUT THAN HAD TO BRAKE ALMOST WITHIN SECONDS AS I SAW A CAR AHEAD AT THE NEXT GREEN LIGHT NOT MOVING. THE CAR FELT LIKE IT SURGED & DROVE WHAT I BELIEVE WAS ABNORMAL DISTANCE WITH MY FRONT CRASHING UNDER THE BACK OF AN OLD BUICK. I HAD 3 OTHER FAMILY MEMBERS IN THE CAR WHO FELT THE SAME JERK. THE ROAD WAS WET FROM PRIOR RAIN. THERE WAS NOT MUCH DAMAGE TO THE CAR I CRASHED INTO BUT MY CAR WAS CONSIDERED TOTAL LOSS, 15 MONTHS OLD WITH 28K MILES. NO AIR BAGS WERE DEPLOYED. IRONICALLY I HAD PICKED UP THE CAR FROM THE DEALERSHIP JUST THAT MORNING BECAUSE MY DAUGHTER HAD COMPLAINED ABOUT THE JERKING WHEN APPLYING BRAKES WHEN SHE DRIVES 20 MILES TO WORK IN A STOP & GO TRAFFIC ON HWY 280. THIS WAS NOT THE FIRST TIME SHE HAD COMPLAINED TO DEALERSHIP ABOUT THIS EITHER. THE DEALERSHIP LIKE BEFORE REPORTED NOTHING WRONG. THE CAR HAD THE SW UPGRADE DONE WHEN IT WAS RECALLED IN FEB/MAR. POST THE CRASH INCIDENT TOYOTA HAD THEIR EXPERT EXAMINE THE BRAKES WHO REPORTED, BRAKE RESERVOIR FLUID LEVEL 5MM ABOVE THE MAX LEVEL & SOME WHITE SUBSTANCE SUSPENDED IN IT NEAR THE SURFACE, BUT STILL BRAKE SYSTEM TO BE IN GOOD CONDITION.

Mileage: 28,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT THE REPAIR FOR RECALL 10V039000 (SERVICE BRAKES, HYDRAULIC) WAS PERFORMED FEBRUARY 2010. THE CONTACT ATTEMPTED TO STOP AT A TRAFFIC LIGHT AND WHEN THEY HIT ROUGH PAVEMENT, THE VEHICLE WOULD NOT STOP PROPERLY AND WENT THROUGH AN INTERSECTION. THE DEALER INSPECTED AND STATED THAT THERE WAS NOTHING WRONG, THE FAILURE MILEAGE WAS 18,654 AND THE CURRENT MILEAGE WAS APPROXIMATELY 19,000. UPDATED 02/09/11*LJ UPDATED 03/03/11

Mileage: 18,654

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE STOPPED AT A TRAFFIC LIGHT, THE VEHICLE WAS HIT FROM THE REAR BY ANOTHER VEHICLE. AFTER THE VEHICLE WAS HIT, IT ACCELERATED TO A HIGH SPEED. THE CONTACT ENGAGED THE BRAKES BUT THE VEHICLE CONTINUED TO ACCELERATE; THE CONTACT ATTEMPTED TO TURN OFF THE IGNITION BUT THAT DID NOT STOP THE VEHICLE. THE VEHICLE CHANGED DIRECTIONS AND CROSSED OVER A GRASSY AREA AND CROSSED OVER THREE LANES OF TRAFFIC AND CRASHED INTO A CONCRETE MEDIAN. THE CONTACT STATED THAT ALL THE LIGHTS FAILED. THE TWO PASSENGERS WERE INJURED. A POLICE REPORT WAS FILED. THE VEHICLE WAS DESTROYED. THE VIN WAS UNAVAILABLE. THE CURRENT AND FAILURE MILEAGES WERE UNKNOWN.

2010 TOYOTA PRIUS. S10 APPROPRIATE HANDLING- LETTER FROM REGARDING TOYOTA PROBLEMS *TGW THE CONSUMER STATED WHEN HE WENT TO START HIS VEHICLE, THE BRAKE PEDAL WENT STRAIGHT DOWN TO THE FLOOR AND THE VEHICLE WOULD NOT START UNTIL PRESSURE WAS APPLIED TO THE BRAKE. AFTER TRYING SEVERAL THINGS, THE BRAKE FINALLY CAME ON. THE CONSUMER TOOK THE VEHICLE TO THE DEALER, BUT THEY WERE UNABLE TO FIND ANYTHING WRONG. ON APRIL 27, 2010, THE INCIDENT HAPPENED AGAIN WITH THE BRAKES. A NOTICE APPEARED ON THE DASH TO PUT THE VEHICLE IN PARK. WHEN HE DID, THE BRAKE CAME ON. *JB UPDATED 12/22/10.*JB

LOSS OF BRAKING EFFECTIVENESS. HAPPENS WHEN GOING OVER BUMPS WHILE APPLYING THE BRAKES. YOU DON'T LOSE BRAKING POWER COMPLETELY, BUT IT WOULD BE LIKE YOU HAD LIFTED YOUR FOOT OFF THE BRAKES PARTIALLY. IT HAS HAPPENED ABOUT A DOZEN TIMES SINCE I HAVE OWNED THE VEHICLE (A LITTLE OVER A YEAR). I AM UNABLE TO DETERMINE WHAT FACTORS MAKE IT HAPPEN. I DON'T KNOW IF IT IS SPEED, SEVERITY OF THE BUMPS, OR BRAKING PRESSURE, OR COMBINATION. I KNOW THAT TEMPERATURE MAKES NO DIFFERENCE, AS IT HAS HAPPENED IN WINTER AND SUMMER. THE LAST INCIDENT HAPPENED WHEN A BICYCLIST MOVED IN FRONT OF MY CAR TO AVOID BUMPS. I APPLIED THE BRAKES (IT WAS NOT SEVERE), AND AS I WENT OVER THE BUMPS, I LOST BRAKING POWER. MY SPEED WAS APPROXIMATELY 15 MPH. TOYOTA HAS DONE A RECALL ON THE BRAKES, BUT I CONTINUE TO HAVE THE PROBLEM. I HAVE TALKED TO OTHER OWNERS, AND THEY ARE HAVING THE SAME PROBLEM, EVEN AFTER THE RECALL. THE CONSUMER STATED WHEN HE DROVE OVER A BUMP IN THE ROAD, THE BRAKING DECREASED SIGNIFICANTLY FOR APPROXIMATELY 3 SECONDS. HE ALSO STATED THE ENGINE RACED BRIEFLY, BUT THE VEHICLE WAS NOT IN GEAR AT THE TIME. UPDATED IVOQ 03/01/11 *TR

Mileage: 17,000

I OWN A NEW 2010 PRIUS. IT HAS 1800 MILES ON IT. WHILE DRIVING WITH SOMEONE ELSE IN THE PRIUS, THERE WAS A BRAKING PROBLEM. WE BOTH FELT A LOSS OF BRAKING BY THE PRIUS WHEN I WAS BRAKING FOR A RIGHT TURN AND WENT OVER A BUMPY SECTION ON THE ROAD SURFACE. THE PRIUS EXPERIENCED A MOMENTARY COMPLETE LOSS OF BRAKING OVER THE BUMPS. IT FELT LIKE WE ACTUALLY ACCELERATED FOR AN INSTANT. IN ANY CASE, THE BRAKE PEDAL WAS ENGAGED FIRMLY THE WHOLE TIME. THE PRIUS THEN SLOWED DOWN NORMALLY, AND I MADE THE TURN AT THE CORNER. BUT WE BOTH LOOKED AT EACH OTHER IN SURPRISE AT WHAT WE FELT DURING THAT BRAKING EVENT LEADING INTO THE TURN. I CALLED THE DEALER AND HAD THEM LOOK UP THE COMPUTER PATCH HISTORY ON THIS CAR. THE DEALER STATED THAT ALL THE COMPUTER PATCHES HAD ALREADY BEEN APPLIED TO THIS CAR BEFORE IT WAS DELIVERED AS NEW. SO FAR, THIS HAS ONLY HAPPENED ONCE. I HAVE BEEN DRIVING THE NEW PRIUS FOR ONLY 1800 MILES. IT WAS PURCHASED NEW OFF THE DEALER LOT AUG 2010. IT HAPPENED IN OCT 2010. EXTREME LOSS OF BRAKING OVER BUMPY ROAD SURFACE. I HAVE MANY YEARS OF DRIVING EXPERIENCE IN MANY TYPES OF CARS ON MANY DIFFERENT ROAD SURFACES. I HAVE NEVER EXPERIENCED THIS TYPE OF MOMENTARY COMPLETE BRAKE LOSS BEFORE. *TR

Mileage: 1,800

2010 TOYOTA PRIUS, NO ACCIDENTS, BUT CLOSE CALLS. WHEN I AM SLOWING TO A STOP, AND IF THE VEHICLE HITS A ROUGH SPOT IN THE ROAD, FOR EXAMPLE A POTHOLE, THE BRAKE PEDAL LOWERS SLIGHTLY AND THE CAR APPEARS TO HAVE THE ANTI LOCK BRAKING TAKE OVER AND THE CAR SPEED DECREASES SLOWLY UNDER THE CONTROL OF THE ABS AND MAY NOT STOP IN THE REMAINING DISTANCE TO A STOP SIGH OR TRAFFIC LIGHT. AT LEAST 4 TIMES, 3 SINCE THE SOFTWARE UPDATE FOR MY CAR, I HAVE BEEN STOPPING AND WITHIN ABOUT 20 FEET OF THE STOP SIGH THERE WAS A SIGNIFICANT BUMP OR POTHOLE AND WITH MY FOOT ON THE BRAKE CONTINUOUSLY I NOTICED THAT THE BRAKE PEDAL DEPRESSED SLIGHTLY AND MY RATE OF SLOWING DECREASED AND MY CAR DRIFTED PAST THE STOP SIGN. THIS ALL HAPPENED WITH MY FOOT STILL ON THE BRAKE. I TOLD THE TOYOTA DEALER ABOUT THIS AND WAS INFORMED THAT IT IS THE WAY THE CAR IS DESIGNED, THAT ANY TIME THAT THE COMPUTER SENSES A WHEEL SLIP, THE ABS TAKES OVER. BUT ON DRY ROAD CONDITIONS, THIS IS PROBLEMATIC BECAUSE IN MY AREA THERE ARE OFTEN UN REPAIRED ROADS WITH RUTS, POTHOLES, BUMPS AND ETC. NEAR THE INTERSECTIONS. HAVING THE ABS TAKE OVER PROVIDES A LAG TIME IN THE STOPPING OF THE CAR AND EACH TIME I HAVE GONE PAST THE STOP SIGN AND SLIGHTLY INTO THE INTERSECTION APPROXIMATELY 5 FEET INTO THE PATH OF OTHER VEHICLES. I AM AN ENGINEER WITH NASA AND KNOW WHAT I AM DOING AND HAVE BEEN TOLD THAT THIS IS A DESIGN FEATURE, BUT THIS FEATURE CAN AND HAS LEFT ME EXCEEDING MY PLANNED STOPPING DISTANCE AND COULD HAVE LEAD TO AN ACCIDENT. *TR

Mileage: 10,000

ON 2010 PRIUS, BRAKES SEEM TO RELEASE, GENERALLY FOR A MOMENT, AT LOW SPEEDS WHEN GOING OVER A BUMP ON PASSENGER SIDE OF THE CAR. CAR SEEMS TO ACCELERATE MOMENTARILY, UNTIL BRAKES ARE HIT AGAIN. THIS HAS HAPPENED A NUMBER OF TIMES BUT IS SOMETIMES HARD TO RECREATE. CAR HAS 3000 MILES. DEALER SAYS BRAKES OPERATING AS DESIGNED AND RECALL ADJUSTMENT HAS BEEN MADE. *TR

Mileage: 2,500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE TRAVELING 2 MPH THE CONTACT APPLIED THE BRAKES AND NOTICED THAT THEY WOULD NOT ENGAGE CAUSING THE CONTACT TO CRASH INTO A WALL. NO ONE WAS INJURED AND A POLICE REPORT WAS NOT FILED FOR THE INCIDENT. THE VEHICLE WAS TAKEN TO THE DEALERSHIP WHERE THE CONTACT WAS INFORMED THAT THE FAILURE COULD NOT BE REPRODUCED. THERE WERE NO PRIOR WARNINGS. THE CURRENT AND FAILURE MILEAGES WERE 1500.

Mileage: 1,500

BRAKE FAILURE. 2010 TOYOTA PRIUS IV -- THE VEHICLE'S BRAKES LOSE PRESSURE AND THE BRAKE PEDAL LOSES PRESSURE (REGARDLESS OF HOW HARD I PRESS ON THE BRAKES AS THIS IS HAPPENING). THE BRAKES ARE TEMPORARILY DISABLED AND THE VEHICLE UNEXPECTEDLY ACCELERATES AS A RESULT OF ITS MOMENTUM PRIOR TO INITIALIZING THE BRAKES. THE FAILURE OCCURS WHEN THE VEHICLE PASSES OVER A DRAMATIC CHANGE IN THE TEXTURE/FRICTION OF THE ROAD SURFACE. I HAVE EXPERIENCED THE FAILURE DOZENS OF TIMES, WHEN DRIVING OVER METAL SURFACES (MANHOLE COVERS, POTHOLE COVERS, TEMPORARY CONSTRUCTION COVERS, METAL EXPANSION INSERTS IN BRIDGES, ETC), AS WELL AS SMALL PATCHES OF CONDENSATION (SUCH AS SMALL PUDDLES UNDER A BRIDGE WHEN THE SURROUNDING ROAD IS DRY). THE FAILURE IS NOT RELATED TO HYDROPLANING, AND HAS OCCURRED AT SPEEDS AS LOW AS 15 MPH. THE FAILURE CAUSES THE VEHICLE TO ACCELERATE UNTIL A FEW SECONDS AFTER IT HAS PASSED OVER THE SLICK SURFACE. AFTER RETURNING TO THE REGULAR ROAD SURFACE, THE BRAKES SLOWLY REGAIN TRACTION AND RESUME THEIR FUNCTION OF SLOWING THE VEHICLE DOWN. THIS FAILURE OCCURS EVERY TIME THESE CRITERIA ARE MET -- REGARDLESS OF WHETHER ROAD CONDITIONS ARE WET OR DRY. SO FAR NO ACCIDENTS HAVE RESULTED FROM THIS FAILURE ON MY VEHICLE, BUT I HAVE BEEN UNABLE TO CONTROL THE PROBLEM OR DECREASE ITS EFFECTS. AGAIN, THIS PROBLEM OCCURS EVEN AT LOW SPEEDS, SUCH AS IN CITY TRAFFIC WHILE BRAKING TO STOP AT AN INTERSECTION. MANY TIMES IT HAS CAUSED ME TO NEARLY HIT THE VEHICLE IN FRONT OF MINE. SO I HAVE BEEN FORCED TO LEAVE AN EXTRA 40 FEET BETWEEN MY VEHICLE AND ANYTHING IN FRONT OF ME, WHICH IS NOT ALWAYS FEASIBLE BECAUSE I LIVE IN AN URBAN AREA. I HAVE ALREADY TAKEN THIS VEHICLE INTO THE TOYOTA DEALERSHIP AS PART OF THEIR RECALL TO FIX THE SOFTWARE WHICH CONTROLS THE INTERACTIONS BETWEEN THE HYBRID BRAKES AND THE NORMAL DISK BRAKES. LOCAL DEALERSHIPS HAVE CONSISTENTLY DENIED THAT THERE IS A PROBLEM WITH THE VEHICLE AND THE TOYOTA COMPANY WILL NOT RETURN MY PHONE CALLS. *TR

Mileage: 7,548

1. PULLING IN TO A PARKING SPACE, SLIGHT UPHILL ANGLE, STEPPED ON BRAKE AND CAR LURCHED FORWARD OVER A BARRIER AND INTO ANOTHER VEHICLE. 2. THE VEHICLE GAVE NO PRIOR INDICATION OF A PROBLEM. EXTENSIVE DAMAGE TO HOOD, BUMPER, RIGHT FENDER AND RADIATOR. 3. VEHICLE WAS TOWED TO A REPAIR FACILITY. ONCE REPAIRED, VEHICLE WAS TAKEN TO DEALER FOR DIAGNOSTIC OF BRAKE FAILURE PROBLEM WHERE IT CURRENTLY REMAINS. *TR

Mileage: 10,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING 20 MPH OVER ROUGH TERRAIN THE CONTACT APPLIED THE BRAKES AND THEY FAILED TO ENGAGE. THE VEHICLE WAS NOT REPAIRED NOR WAS THERE A DIAGNOSTIC TEST PERFORMED. THERE WERE NO PRIOR WARNINGS. THE CURRENT AND FAILURE MILEAGES WERE 6000.

Mileage: 6,000

WAS DRIVING PRIUS 2010 MODEL II WITH BRAKE SOFTWARE APPLIED BY DEALER ABOUT 1.5 MONTHS AGO. TODAY (7/27/2010) I EXITED HIGHWAY AND BEGAN GENTLE BRAKING ON OFFRAMP, AS SUGGESTED BY MANUAL TO MAXIMIZE REGENERATION. ABOUT HALF-WAY DOWN OFFRAMP, I REALIZED CAR IN FRONT OF ME WAS COMPLETELY STOPPED AND THAT I HAD TO STOP MUCH MORE QUICKLY THAN I WAS PLANNING TO. I DON'T RECALL BEING PARTICULARLY DISTRACTED, BUT I CAN'T RULE OUT I NOTICED THE STOPPED VEHICLE LATER THAN I SHOULD HAVE. IN ANY EVENT, I'M NOT SURE HOW HARD I PRESSED THE BRAKES, BUT I RECALL DISTINCTLY THINKING "OH, MY GOD. NOTHING IS HAPPENING" AND 1-2 SECS LATER I PLOWED INTO THE CAR IN FRONT OF ME. THE COLLISION WAS HARD ENOUGH TO CAUSE TEMPORARY PAIN TO THE DRIVER IN FRONT OF ME, BUT NO AIR BAGS WERE DEPLOYED AND THE PRIUS APPEARS TO NOT HAVE MAJOR FRONTAL DAMAGE - HOOD IS BENT BACK AND MAYBE SLIGHT FRAME DISTORTION => THE IMPACT CLEARLY WAS NOT AT THE ~40-50 MPH I WAS GOING WHEN JUST EXITING THE HIGHWAY, SO SOME BRAKING CLEARLY DID OCCUR -- BUT I HAVE THE DISTINCT FEELING THAT MY PREVIOUS CAR (SUBARU OUTBOOK) WOULD HAVE EASILY STOPPED IN TIME. AFTER ACCIDENT, I TESTED BRAKES BY GOING 15-20 MPH IN PARKING LOT AND BRAKING HARD. ALWAYS STOPPED QUICKLY, I'M GUESSING W/100% FRICTION BRAKING. SO BRAKES ARE PROBABLY NOT "DEFECTIVE" IN SENSE OF LOST HYDRAULIC FLUID, ETC... BUT I HAVE NEVER BEFORE EXPERIENCED THE FEELING "I'M NOT STOPPING" EXCEPT ONCE WHEN LOSING TRACTION ON ICY ROAD WITH A NON-HYBRID. THE FACT HAD TIME TO THINK THIS THOUGHT AT ALL PROBABLY MEANS MAYBE 0.5-1.5 SEC PASSED WHILE BRAKING INEFFECTIVE. CHECKED FOR TIRE/SKID MARKS ON ROAD OR EVIDENCE OF STRONG TIRE WEAR AND FOUND NONE, WHILE I HAVE ON OTHER CARS WHEN I HAVE HAD TO BRAKE HARD => PRIUS NOT BRAKING HARD DESPITE EMERGENCY. SEEM TO HAVE BEEN CAUGHT IN TRANSITION BETWEEN REGEN & FRICTION MODE? THIS IS STILL DISCUSSED IN PRIUS FORUMS -- SOFTWARE FIX NOT GOOD ENOUGH!? THIS IS POTENTIALLY VERY DANGEROUS. BTW,CAR WAS IN "ECO" MODE. *TR

Mileage: 18,500

TL* THE CONTACT'S BROTHER OWNED A 2010 TOYOTA PRIUS. THE CONTACT STATED HER BROTHER DIED IN A HEAD ON CRASH. WHILE HE WAS DRIVING AT APPROXIMATELY 65MPH NORTH BOUND, A TRUCK WAITING AT A TRAFFIC LIGHT WAS REAR ENDED BY ANOTHER TRUCK PUSHING THE TRUCK INTO THE CONTACT'S BROTHER LANE OF TRAFFIC. THE CONTACT STATED WITNESSES ADVISED HER THAT BRAKES FAILED ON HER BROTHER'S VEHICLE AND HE WAS NOT ABLE TO BRING THE VEHICLE TO STOP WHEN HE SAW THE TRUCK APPROACHING. THE POLICE REPORT WAS NOT AVAILABLE. THE VIN WAS UNKNOWN. THE FAILURE AND THE CURRENT MILEAGE WAS 21,000.

Mileage: 21,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHENEVER SHE DROVE OVER A POT HOLE OR RAILROAD TRACKS THE BRAKING SYSTEM DID NOT FUNCTION PROPERLY. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHO STATED THAT THE FAILURE WAS DUE TO A DESIGN FLAW. THE VEHICLE WAS NOT REPAIRED. UPDATED 10/28/10.*LJ UPDATED 10/28/10

Mileage: 5,000

BRAKES DO NOT WORK WHEN DECELERATING AND ROAD IS UNEVEN OR BUMPY. WE TOOK THE CAR IN FOR THE RECALL FIX AND THE PROBLEM PERSISTS. BRAKE FAILURE HAPPENS 3-4 TIMES/ WEEK DRIVING IN SEATTLE. *TR

Mileage: 5,700

GRABBING BRAKES: PARKED AND SAT IN THE CAR ON A SLIGHT INCLINED DRIVEWAY FOR SOME TIME LISTING RADIO. WHEN I STARTED BACKING UP AND TRIED TO BRAKE, THERE WAS NO BRAKING AND THEN CLUNK CLUNK NOISE AND CAR STOPS, TRIED AGAIN, SAME THING NO BRAKING AND THEN LITTLE MORE PRESSURE ON BRAKES, CLUNK CLUNK NOISE CARS STOPS. THERE WAS NO WAY TO SMOOTHLY GLIDE THE CAR DOWN. THIS HAPPENED AROUND 5 TIMES. DURING LAST SERVICE I EXPLAINED DEALER ABOUT THE PROBLEM BUT THEY COULD NOT REPRODUCE IT. *TR

Mileage: 3,000

WHILE BRAKING AND THE CAR IS SLOWING DOWN TO BELOW ABOUT 10 MILES AN HOUR, IT WILL SURGE AHEAD IF IT GOES OVER ROUGH PAVEMENT OR A BUMP. THE ABS RECALL HAS BEEN PERFORMED ON THE CAR, AND IT WAS BROUGHT BACK INTO THE DEALER AFTER THE RECALL AND THE DEALER CONFIRMED THAT THE RECALL WAS APPLIED. THE DEALER CLAIMS THAT THIS BEHAVIOR IS "NORMAL". THE CAR HAS BEEN BACK TO THE DEALER TWO TIMES SO FAR. *TR

Mileage: 100

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED WHEN DRIVING OVER A POT HOLE OR ANY UNEVEN ROAD SURFACE, THE VEHICLE WOULD EXHIBIT A DELAY IN BRAKING. THE BRAKES WOULD HESITATE TO ENGAGE WHEN DEPRESSED. THE DEALER ADVISED THE VEHICLE WAS UNDER NHTSA RECALL CAMPAIGN ID NUMBER 10V039000 (SERVICE BRAKES, AIR; ANTILOCK: CONTROL UNIT/MODULE) AND RECEIVED THE RECALL REPAIRS. THE FAILURE PERSISTED AFTER REPAIRS. IN ADDITION, THE BRAKES WOULD SPORADICALLY BECOME STUCK WHEN BRAKING IN REVERSE AND THE THEN WOULD BEGIN TO JERK VIOLENTLY. THE VEHICLE WAS NOT FURTHER REPAIRED. THE FAILURE MILEAGE WAS 9,000 AND THE CURRENT MILEAGE WAS 11,786.

Mileage: 9,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED WHEN DRIVING DOWNHILL AND ATTEMPTING TO BRAKE, THE BRAKES WOULD NOT ENGAGE AND INTERMITTENTLY COULD NOT BE DEPRESSED. THE CONTACT HAD RECEIVED REPAIRS UNDER NHTSA RECALL CAMPAIGN ID NUMBER: 10V039000 (SERVICE BRAKES, AIR: ANTILOCK: CONTROL UNIT/MODULE). THE DEALER WAS UNABLE TO DUPLICATE THE FAILURE AND NO FURTHER REPAIRS WERE MADE TO THE VEHICLE. THE MANUFACTURER WAS CONTACTED VIA EMAIL AND THE CONTACT WAS AWAITING A RESPONSE. THE FAILURE PERSISTED. THE FAILURE MILEAGE WAS 5,000 AND THE CURRENT MILEAGE WAS 9,000. UPDATED 07/06/10.*JB UPDATED 11/15/10 *CN THE CONSUMER STATED THERE IS STILL A DELAYED RESPONSE IN THE BRAKING MECHANISM WHEN GOING DOWN HILLS. UPDATED 11/24/10 *JB

Mileage: 5,000

I OWN A 2010 TOYOTA PRIUS, AND LAST WEEK I HAD THE ABS ECU UPDATED PER THE RECALL. PRIOR TO THE UPDATE, BRAKING OVER A BUMP OR POTHOLE WOULD RESULT IN A LITTLE 'SKIP' ON THE ROAD AS THE BRAKES KIND OF FLUTTERED. I JUST PRESSED THE PEDAL A LITTLE HARDER AND ALL WAS WELL. POST UPDATE, I HAVE A SERIOUS SAFETY PROBLEM. I HAVE EXPERIENCED THE BRAKES DISENGAGING COMPLETELY AS THE CAR HITS A BUMP. THE LITTLE 'SKIP' IS GONE, AND NOW THERE'S A PANIC MOMENT WHERE THE CAR LURCHES FORWARD WITH NO BRAKE PRESSURE. I HAVE TO REALLY MASH THE PEDAL THE GET THE BRAKES BACK. PRIOR TO THE UPDATE I WAS A LITTLE WORRIED THAT THE SLIGHT INCREASE IN BRAKING DISTANCE MIGHT HAVE RESULTED IN A CRASH. NOW, I AM VERY AFRAID. THE CAR IS ALMOST UNCONTROLLABLE WHEN THIS HAPPENS, AND IT IS ALWAYS UNEXPECTED. I FEEL THAT IF I CRASH, I WILL BE HELD LIABLE FOR SOMETHING THAT ISN'T MY FAULT. I ASK THE NHTSA TO REVISIT THE TOYOTA RECALL FOR THE 2010 PRIUS AND MAKE THEM PROVE THEY FIXED THE PROBLEM. I DO NOT THINK THEY WILL BE ABLE TO. *TR

Mileage: 8,500

I HAVE A 2010 PRIUS THAT HAS HAD THE BRAKE RECALL FIX APPLIED. BUT WHEN I AM TURNING RIGHT APPLYING THE BRAKE AND THEN HIT BUMP/CHUCK HOLE THE BRAKES FADE FOR JUST A FEW SECONDS. NO ACCIDENTS BUT DOES NOT GIVE DRIVER ANY CONFIDENCE. *TR

Mileage: 13,259

2010 PRIUS - THIS CAR WAS RECALLED FOR A BRAKING PROBLEM. THE "SOFTWARE FIX" WAS COMPLETED ON MY CAR, BUT THE SAME BRAKING PROBLEM STILL EXISTS IN THE CAR. A FOLLOW-UP VISIT TO THE DEALER COMPLAINING OF THE PROBLEM STILL HAPPENING RESULTED IN NOTHING BEING DONE TO FIX THE BRAKING PROBLEM. THE PROBLEM : OCCASIONALLY WHEN BRAKING OVER A BUMP THE BRAKES DISENGAGE FOR A BRIEF TIME (PROBABLY LESS THAN A SECOND) AND RESULT IN AN INCREASED STOPPING DISTANCE AND POSSIBLE ACCIDENT. IN OTHER WORDS THE RECALL FIX HAS DONE NOTHING TO CORRECT THE PROBLEM - - IF IT WAS BAD ENOUGH TO HAVE A RECALL - AND IT DOESN'T GET FIXED - THEN IT MUST STILL BE A SIGNIFICANT PROBLEM.... THIS PROBLEM OCCURS OFTEN - BUT NOT EASILY DEMONSTRATED. IT HAS HAPPENED SINCE THE CAR WAS NEW AND WE NOW HAVE 11,000 MILES AND IT STILL HAPPENS. *TR

Mileage: 10,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE VEHICLE WAS PREVIOUSLY REPAIRED UNDER NHTSA CAMPAIGN ID NUMBER: 10V039000 (SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE). AFTER RETRIEVING THE VEHICLE FORM THE AUTHORIZED DEALER, THE VEHICLE WOULD EXHIBIT AN INCREASED STOPPING DISTANCE WHEN BRAKING FROM LOWER SPEEDS. THE FAILURE BEGAN TO RECUR INTERMITTENTLY. THE FAILURE MILEAGE WAS 3,000 AND THE CURRENT MILEAGE WAS 14,000.

Mileage: 3,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED WHEN BRAKING FROM SPEEDS OF AT LEAST 30 MPH, THE VEHICLE WOULD ABNORMALLY SURGE FORWARD. THE DEALER WAS UNABLE TO DUPLICATE THE FAILURE. THE CONTACT STATED THE FAILURE HAD OCCURRED SINCE THE DATE OF PURCHASE AND CONTINUED TO RECUR INTERMITTENTLY. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 300 AND THE CURRENT MILEAGE WAS 9,650.

Mileage: 300

TODAY AT YET ANOTHER CHECK FOR MY 2010 PRIUS TO TRY TO DISCOVER THE CAUSE FOR THE CONTINUAL SURGING, I WAS INFORMED THAT 160 TIMES IN THE LAST 1 1/2 MONTHS I HAVE DRIVEN WITH BOTH THE GAS AND BRAKE PEDALS DEPRESSED SIMULTANEOUSLY. THIS IS A RIDICULOUS ASSERTION AND COMPLETELY FALSE. OBVIOUSLY THERE IS AN ISSUE WITH THE COMPUTER SOFTWARE IN MY PRIUS BRAKES. THIS IS FURTHER EVIDENCE THAT THERE IS A SERIOUS SAFETY ISSUE WITH THE PRIUS BRAKES. *TR

Mileage: 9,872

I WAS DRIVING THE CAR ON A ROAD APPROX. 25 MPH. I HIT A DIP IN THE ROAD RIGHT AS I WAS BRAKING TO MAKE A LEFT TURN. THE AUTOMOBILE SURGED FORWARD DESPITE MY FOOT BEING ON THE BRAKE. THIS HAS HAPPENED REPEATEDLY SINCE HAVING THE RECALL FIX!!! THIS PROBLEM MUST BE FIXED. WE HAVE REPEATEDLY CONTACTED TOYOTA ABOUT THE PROBLEM AND GET THE SAME ANSWER EVERY TIME - THERE IS NO PROBLEM. I DO NOT CONSIDER IT TO BE NORMAL FOR THE CAR TO SURGE FORWARD WHILE MY FOOD IS FIRMLY ON THE BRAKE. WHAT DOES IT TAKE TO GET SOMETHING DONE! WE TRIED ARBITRATION TO GET RID OF OUR VEHICLE AND TOYOTA BASICALLY SAID THAT WE WERE LYING ABOUT THE PROBLEM. PLEASE REVIEW AND RECALL. I KNOW BY READING THE OTHER COMPLAINTS THAT I AM NOT THE ONLY ONE HAVING THIS ISSUE. THIS IS A SAFETY HAZARD!!! *TR

Mileage: 9,780

ALL BRAKE ROTORS HAD A CRACK PERPENDICULAR TO THE ROTATION. *TR

Mileage: 9,000

MY 2010 TOYOTA PRIUS CONTINUES TO EXPERIENCE THE MOMENTARY LOSS OF BRAKING POWER EVEN AFTER THE RECALL FIX WAS APPLIED BACK IN MARCH. I EXPERIENCE THE SAME LOSS OF BRAKING POWER AS I DID IN THE PAST WHEN GOING OVER BUMPS, POT HOLES AND THE LIKE, ESPECIALLY WHEN HITTING THE BRAKE ON A DECLINE. I BROUGHT MY CAR BACK TO THE DEALERSHIP AND A FIELD TECH SPECIALIST WAS UNABLE TO REPRODUCE THE PROBLEM - BUT I HAVE EXPERIENCED IT A HALF DOZEN TIMES SINCE THE RECALL AND HAVE NOTIFIED TOYOTA'S HQ - THEY HAVE NOT RESPONDED. I CONTINUE TO FEEL AS IF PEDESTRIAN, OTHER DRIVER, AND MY OWN SAFETY ARE AT RISK WITH THIS CONTINUED BRAKE ISSUE THAT TOYOTA CANNOT SEEM TO FIX. *TR

Mileage: 9,800

OUR NEW 2010 TOYOTA PRIUS LOST ITS BRAKES FOR A SHORT PERIOD WHEN DRIVING DOWN A STEEP HILL AT SLOW SPEED (10 MPH). ALTHOUGH I WAS PRESSING ON THE BRAKE PEDAL THE BRAKES COMPLETELY RELEASED FOR ROUGHLY 2 SECONDS AND THEN RE-APPLIED. WE HAD JUST DRIVEN OVER A SMALL BUT SHARP BUMP. I UNDERSTAND HOW ABS WORKS, AND THIS WAS NOT ABS. THE BRAKES COMPLETELY RELEASED AND THE CAR "JUMPED" FORWARD - IT JUMPED BECAUSE THE HILL WAS QUITE STEEP. WHAT IS MOST DISTURBING IS THAT THE CAR HAD JUST BEEN SERVICED (MAY 29TH) AND THE EVENT HAPPENED MAY 31. WHEN I CALLED THE DEALERSHIP THEY SAID THE CAR HAD BEEN RECALLED FOR A BRAKE PROBLEM BUT THEY HAD "FORGOTTEN" TO DO THE RECALL. FURTHER, I HAVE OWNED THE CAR FOR FIVE MONTHS AND HAVE NOT RECEIVED A RECALL NOTICE FROM TOYOTA. *TR

Mileage: 5,000

I HAVE A 2010 TOYOTA PRIUS PURCHASED IN JULY 2009. DURING OWNERSHIP I EXPERIENCED WHEN THERE WAS A CREASE, HOLE OR BUMP IN THE ROAD WHEN BRAKING - IT ACCELERATING AND LUNGES. I AVOIDED SITUATIONS LIKE THAT AND WHEN THE RECALL CAME, I TOOK IT TO BUTLER TOYOTA (ALSO HAD THE FLOOR MAT HOOKS INSTALLED PRIOR), ON APRIL 5, 2010. THEY SUPPOSEDLY FIXED IT. ABOUT A WEEK LATER, I CAME UPON A MANHOLE COVER IN A ROAD WHILE BRAKING AND MAKING A TURN SO GOING SLOW, AND THE SAME THING HAPPENED. THE NEXT DAY I PURPOSELY WENT THROUGH IT TO "TEST" AND IT DID THE SAME THING BUT LUNGE INTO THE OTHER LANE. I WAS SCARED AND CALLED BUTLER TOYOTA. THEY TOLD ME TO CALL NATIONAL TOYOTA TO REPORT. THEY CONTACT BUTLER AND I WENT BACK IN MAY 21, THEY DID NOT REPAIR IT AND "SHRUGGED" THEIR SHOULDERS SAYING IT'S THE ABS. THEY OFFERED TO HAVE A FIELD TECH PERSON COME DRIVE MY CAR. I CALLED NATIONAL AGAIN AND THEY SEEM TO BE "MEDIATING" THIS WITH BUTLER. I FOUND A REPORT FROM CONSUMERAFFAIRS.COM THAT THIS VERY SIMILAR ISSUE WAS OCCURRING BACK IN 2008 AND THEY CALLED IT "TRACTION CONTROL". NO ONE FROM TOYOTA HAS TOLD ME THIS. I WANT IT FIXED OR A DIFFERENT CAR. I HAVE A TEENAGE WITH A PERMIT AND IF HE WAS DRIVING THIS AND IT OCCURRED, HE WOULD PROBABLY RUN INTO SOMEONE BECAUSE IT TAKES YOU BY SURPRISE. I DO FEAR HIM DRIVING IT DUE TO HIS INEXPERIENCE AND I FRANKLY AM CONCERNED AND AM VERY CAUTIOUS AS A RESULT. *TR

BRAKE FAILURE OCCURRED WHEN VEHICLE WAS COMING OFF FREEWAY EXIT RAMP AT APPROXIMATELY 40 MPH ON UNEVEN, CURVY ROAD. WHILE APPROACHING INTERSECTION FROM SEVERAL HUNDRED FEET AWAY, BRAKES FAILED TO ENGAGE FOR ABOUT A SECOND; ALSO FELT THE VEHICLE "LURCH" FORWARD IN THAT LAPSE OF TIME. REPEATED PRESSURE ON THE BRAKES FINALLY BROUGHT CAR TO STOP BUT NOT IN TIME TO PREVENT COLLISION WITH INCOMING PICKUP TRUCK ON STRAIGHTAWAY TRAFFIC. POLICE ARRIVED AT SCENE BUT DID NOT FILE REPORT BECAUSE NOBODY WAS INJURED. BODY SHOP ESTIMATED DAMAGE ON FRONT BUMPER AT $1500. VEHICLE WAS BROUGHT IN TO DEALER ON 05/18/2010 FOR INSPECTION. SERVICE MANAGER SAID ECU BRAKE RECALL HAD BEEN CONDUCTED ON SAID VEHICLE IN FEBRUARY 2010 AT DIFFERENT DEALERSHIP. CURRENTLY STILL AWAITING ON CONCLUSIVE REPORT FROM TOYOTA ENGINEERS. CAR ONLY HAS 1000 MILES ON ODOMETER. BRAKE FAILURE HAS BEEN EXPERIENCED SOME TEN TIMES IN THE 2 MONTHS OF OWNING THIS VEHICLE, USUALLY DURING HIGHER SPEEDS OVER UNEVEN ROAD. CAME CLOSE TO ACCIDENTS ON THREE INSTANCES, NOT INCLUDING THIS ACTUAL ONE. THIS IS A SERIOUS SAFETY DEFECT THAT COULD RESULT IN FATALITIES. PLEASE INVESTIGATE! *TR

Mileage: 1,000

AS NOTED IN NHTSA INVESTIGATION PE10006. I ENTERED AN INCIDENT DATE OF 5/19/2010, BUT THIS HAPPENS CONSISTENTLY WITH MY 2010 TOYOTA PRIUS (PURCHASED OCT. 2009). IT IS AS DESCRIBED IN THE INVESTIGATION SUMMARY; A MOMENTARY LAPSE IN BRAKING WHILE TRAVELING OVER UNEVEN OR ROUGH SURFACES. I HAD THE SOFTWARE UPDATE PERFORMED LAST WEEK AND INTERESTINGLY, IT SEEMS TO HAVE GOTTEN WORSE SINCE THEN. IT'S VERY DISCONCERTING AND ALARMING. FORTUNATELY, IT'S NEVER HAPPENED WHEN THERE IS A CAR IN FRONT OF ME (AS ON THE EXIT RAMP OF A FREEWAY OR PRIOR TO A STOPLIGHT), BUT IF IT DOES, I HAVE NO DOUBT THAT IT WILL RESULT IN A CRASH, FOR WHICH I WILL NO DOUBT BE WRONGLY BLAMED AND CITED. I'M TO THE POINT THAT I WOULD PREFER THAT MY WIFE NOT DRIVE THE CAR AND AM CONSIDERING WHAT ACTION I CAN TAKE WITH TOYOTA --- RETURNING THE CAR, SOME KIND OF FINANCIAL COMPENSATION ETC. WHEN I HAD THE SOFTWARE UPDATE PERFORMED, I NOTED THE PROBLEM TO THE DEALERSHIP AND MADE THEM WRITE IT ON THE SERVICE ORDER TO DOCUMENT IT. THIS COMPLAINT IS ALSO TO DOCUMENT THE PROBLEM. I SHOULD NOTE THAT WE OWN A 1996 4RUNNER AND A 2003 HIGHLANDER (MY PARENTS OWN A 2010 PRIUS AND 2010 CAMRY AS WELL), SO IT'S NOT LIKE I HAVE SOMETHING AGAINST TOYOTA. ALSO, I TRAVEL A LOT FOR MY JOB (80%+) AND OVER THE LAST 6 MONTHS HAVE PROBABLY DRIVEN AT LEAST 20 DIFFERENT MAKES AND MODELS OF CARS. THIS HAS NEVER HAPPENED IN ANY CAR I HAVE OWNED OR RENTED. *TR

Mileage: 500

TWO ISSUES WITHIN 5 MINUTES (WILL FILE TWO REPORTS). FIRST ISSUE OCCURRED WHILE BACKING OUT OF LEVEL PARKING SPACE. BRAKES GRABBED ON AND OFF AS IF I WERE PRESSING BRAKES FIRMLY, RELEASING, THEN PRESSING FIRMLY AGAIN, EVEN THOUGH I WAS LIGHTLY HOLDING THE BRAKES AS I WAS REVERSING. SECOND ISSUE OCCURRED A FEW MINUTES LATER WHILE BRAKING ON A DESCENT, GOING APPROXIMATELY 35-40 MPH. MY FRONT LEFT TIRE WENT OVER A MANHOLE COVER WHICH CAUSED A MILD BUMP, WHICH RESULTED IN A MOMENTARY RELEASE OF THE BRAKES. CAR WAS PURCHASED NEW LAST WEEK (MAY 13, 2010), HAS APPROXIMATELY 400 MILES, AND HAS NO RECALLS OUTSTANDING. *TR

Mileage: 400

TWO ISSUES WITHIN 5 MINUTES (WILL FILE TWO REPORTS). FIRST ISSUE OCCURRED WHILE BACKING OUT OF LEVEL PARKING SPACE. BRAKES GRABBED ON AND OFF AS IF I WERE PRESSING BRAKES FIRMLY, RELEASING, THEN PRESSING FIRMLY AGAIN, EVEN THOUGH I WAS LIGHTLY HOLDING THE BRAKES AS I WAS REVERSING. SECOND ISSUE OCCURRED A FEW MINUTES LATER WHILE BRAKING ON A DESCENT, GOING APPROXIMATELY 35-40 MPH. MY FRONT LEFT TIRE WENT OVER A MANHOLE COVER WHICH CAUSED A MILD BUMP, WHICH RESULTED IN A MOMENTARY RELEASE OF THE BRAKES. CAR WAS PURCHASED NEW LAST WEEK (MAY 13, 2010), HAS APPROXIMATELY 400 MILES, AND HAS NO RECALLS OUTSTANDING. *TR

Mileage: 400

REGENERATIVE BRAKING - LOSS OF BRAKING, WHEN SLOWING OVER ROUGH ROAD SURFACE APPROXIMATELY 5-9MPH. BRAKES "GO AWAY", RESULTING IN FURTHER PEDAL APPLICATION TO AVOID STRIKING VEHICLE AHEAD. INCIDENT OCCURS SPORADICALLY, HOWEVER HAS OCCURRED AT LEAST 8 TIMES IN THE TWO MONTHS WE'VE OWNED VEHICLE. *TR

Mileage: 1,100

2010 TOYOTA PRIUS. CONSUMER STATES VEHICLE DID NOT SEEM TO STOP IMMEDIATELY WHEN HE HIT A BUMP. *TGW

2010 TOYOTA PRIUS. CONSUMER STATES VEHICLE DID NOT SEEM TO STOP IMMEDIATELY WHEN HE HIT A BUMP. *TGW

I HAVE A 2010 TOYOTA PRIUS, AND HAVE NOTICED THAT WHILE BRAKING ON UNEVEN PAVEMENT, THE CAR LURCHES FORWARD. THE JACK SAFRO DEALERSHIP SAID TO BRING IT IN, AS THERE WAS A RECALL. SINCE THEY WORKED ON IT, I SEE NO CHANGE. I CALLED THE DEALERSHIP AND TOLD THEM THERE WAS NO DIFFERENCE, AND THEY TOOK IT FOR A TEST DRIVE. THE MECHANIC SAID HE DIDN'T EXPERIENCE ANY PROBLEM. THEY SAID THEY WOULD NOTE THE PROBLEM, BUT THERE WAS NOTHING ELSE THEY COULD DO. I HAVE TO BE VERY CAREFUL WHEN APPROACHING A STOP SIGN OR LIGHT ON UNEVEN PAVEMENT. I FEAR REAR ENDING SOMEONE. OR WORSE HITTING A PEDESTRIAN. *TR

Mileage: 1,000

WHILE DRIVING ON BOWMAN ROAD IN WEST LITTLE ROCK, I WAS BRAKING AS I APPROACHED THE INTERSECTION AT MARKHAM. THE CAR SUDDENLY FELT LIKE IT WAS SURGING FORWARD AND NOT BRAKING AT ALL AS I DROVE OVER A MAN-HOLE COVER. THIS WAS ESPECIALLY PRONOUNCED AS I WAS GOING DOWNHILL AND TURNING TO THE RIGHT AT THE YIELD SIGN. MY WIFE NOTICED IT FROM THE PASSENGER SEAT AS WELL. WE MOMENTARILY FELT AS IF WE WOULD NOT STOP AND END UP IN THE PATH OF ONCOMING TRAFFIC. THIS HAPPENED AFTER THIS VEHICLE HAS ALREADY BEEN RECALLED FOR THIS SAME PROBLEM. UNFORTUNATELY, THE SOFTWARE UPGRADE DID NOT FIX THIS DANGEROUS PROBLEM. *TR

Mileage: 11,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT RECEIVED A RECALL NOTICE FOR RECALL 10V039000 (SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE) WHICH WAS PERFORMED. HOWEVER, THE CONTACT STATED THAT THE PROBLEM STILL OCCURRED AND WHENEVER SHE DROVE OVER A BUMP IN THE ROAD OR AN UNEVEN SURFACE AND DEPRESSED THE BRAKE PEDAL, THERE WAS A LOSS OF BRAKING AND THE VEHICLE WOULD LURCH FORWARD. THE VEHICLE HAD NOT BEEN TAKEN BACK TO THE DEALERSHIP AT THE TIME OF THE COMPLAINT. THE FAILURE MILEAGE WAS APPROXIMATELY 7,500. THE CURRENT MILEAGE WAS APPROXIMATELY 10,000.

Mileage: 7,500

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED WHILE DRIVING AT SPEEDS OF 15 MPH AND ATTEMPTING TO BRAKE, THE ANTI LOCK BRAKING SYSTEM FAILED AND THE BRAKES WOULD NOT ENGAGE. THE DEALER WAS UNABLE TO DUPLICATE THE FAILURE AND ADVISED THE CONTACT THAT THERE WAS NOTHING WRONG WITH THE VEHICLE. PREVIOUSLY, THE CONTACT RECEIVED REPAIRS TO THE SERVICE BRAKES AND ELECTRONIC CONTROL MODULE UNDER AN UNKNOWN RECALL AND STATED THE FAILURE WAS NOT THE FIRST OCCURRENCE FOLLOWING RECALL REPAIRS. THE FAILURE MILEAGE WAS 11,100 AND THE CURRENT WAS 11,500.

Mileage: 11,100

2010 TOYOTA PRIUS. VEHICLE REPAIR WAS COVERED UNDER A RECALL, BUT AFTER A NO BRAKE INCIDENT CONSUMER QUESTIONS THE REPAIR. *GR THE CONSUMER STATED THE RECALL WAS PERFORMED ON APRIL 3, 2010. HOWEVER, ON APRIL 6, 2010 HE HIT A SLIGHT BUMP AS HE APPLIED THE BRAKES AND HAD A MOMENTARY FEELING OF HAVING NO BRAKES. THE VEHICLE DID STOP. HOWEVER, THE INSTANCE DID LEAD THE CONSUMER TO QUESTION THE ADEQUACY OF THE FIX. *JB

I HAVE A 2010 TOYOTA PRIUS WITH BRAKING PROBLEMS, WHICH HAVE CONTINUED TO OCCUR EVEN AFTER I TOOK IT TO MY TOYOTA DEALER FOR THE RECALL REPAIR ON FEBRUARY 12, 2010. THREE TIMES SINCE THEN THE BRAKES DID NOT ENGAGE FOR ABOUT THREE SECONDS, WHEN I WAS TRYING TO STOP, ON A DRY SURFACE THAT WAS SLIGHTLY UNEVEN. THIS WAS NOT THE SUDDEN RAPID PUMPING OF ABS BRAKES WHICH I WOULD RECOGNIZE FROM YEARS OF USE WITH ABS EQUIPPED CARS. THE DEALER SAW NO PROBLEM WHEN I BROUGHT IT BACK TO THEM LAST WEEK. I AM WORRIED IT WILL CAUSE AN ACCIDENT. *TR

Mileage: 9,950

2/13, THE DAY AFTER MY CAR WAS "FIXED" UNDER THE RECALL, MY BRAKES FAILED. I WAS ON THE WAY TO THE AIRPORT, AND THE BRAKES FAILED . WHEN I RETURNED HOME FROM MY TRIP, I BROUGHT IT IN TO TOYOTA KEARNY MESA IN SAN DIEGO, WHO FOUND NOTHING WRONG. MY BRAKES FAILED AGAIN A WEEK AGO. I WAS DRIVING ON A SMOOTH ROAD, SLOWING DOWN FOR A LIGHT, WHEN SUDDENLY THE CAR SPEEDED UP AND I WENT STRAIGHT THOUGH THE RED LIGHT. NO CARS WERE NEARBY, SO I DID NOT CRASH AND NO ONE WAS HURT. AGAIN, TOYOTA FOUND NOTHING WRONG. THEY TELL ME THAT THEY CAN'T FIX IT UNLESS THEY CAN "REPLICATE" THE PROBLEM. THEY WANT ME TO RETURN THE LOANER CAR TOMORROW MORNING AND DRIVE HOME WITH MY PRIUS AND I'M SCARED. *TR

Mileage: 7,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING AT SPEEDS OF 5 MPH OVER A POTHOLE WITH THE BRAKES APPLIED, THE VEHICLE DID NOT STOP. THE DEALER WAS CONTACTED BUT DID NOT PROVIDE ANY ASSISTANCE. THE VEHICLE WAS NOT REPAIRED OR DIAGNOSED. THE FAILURE AND CURRENT MILEAGES WERE 5,800. UPDATED 08/13/10. *LJ UPDATED 08/23/10*JB

Mileage: 5,800

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT THE VEHICLE WAS TAKEN TO THE DEALER FOR REPAIRS UNDER NHTSA RECALL CAMPAIGN ID NUMBER 10V039000 (SERVICE BRAKES, AIR: ANTILOCK: CONTROL UNIT/MODULE). SINCE THE VEHICLE WAS REPAIRED THE BRAKE PEDAL WOULD FALL ONTO THE FLOORBOARD WHEN THE BRAKES WERE APPLIED. THERE WAS A HESITATION IN BRAKE ENGAGEMENT AND THE CONTACT HAD TO USE THE EMERGENCY BRAKES IN ORDER TO STOP THE VEHICLE. THE MANUFACTURER WAS CONTACTED BUT WOULD NOT PROVIDE ANY FURTHER ASSISTANCE. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 9,000 AND THE CURRENT MILEAGE WAS 12,000.

Mileage: 9,000

2010 TOYOTA PRIUS. THE CONSUMER STATED HE EXPERIENCED TWO SAFETY ISSUES; LOSS OF BRAKE EFFECTIVENESS AND ENGINE RACE *TGW WHEN THE CONSUMER APPLIED THE BRAKES WHEN GOING OVER BUMPS/ROUGH ROADS, OR IN MARGINAL CONDITIONS DUE TO SNOW/ICE WHEN APPROACHING A STOP SIGN, HE WOULD LOSE BRAKING EFFECTIVENESS. THE CONSUMER TOOK THE VEHICLE TO THE DEALER FOR A RECALL REPAIR ON MARCH 24, 2010. HOWEVER, HE CONTINUED TO EXPERIENCE LOSS OF BRAKE EFFECTIVENESS. THE CONSUMER PULLED INTO A NEIGHBOR'S DRIVEWAY AFTER DRIVING LESS THAN ONE MILE FROM HIS HOME. AFTER PUSHING THE PARK BUTTON, BUT BEFORE PUSHING THE POWER BUTTON, THE ENGINE BEGAN TO RACE. IT WAS NOT AT AN EXTREME HIGH RPM AND IT WAS NOT FOR AN EXTENDED PERIOD TIME, BUT IT DID LAST FOR SEVERAL SECONDS. AFTER THE VEHICLE WENT DOWN TO NORMAL RPM, AFTER A S SECOND OR TWO, IT BEGAN ALL OVER AGAIN. THE CONSUMER STATED IT WAS NOT A SURGE AS THE VEHICLE WAS NOT IN GEAR AT THE TIME. *JB

Mileage: 6,239

TOYOTA 2010 PRIUS BRAKE RECALL PATCH WAS ONLY PARTLY EFFECTIVE. IN THE WINTER THE CAR COULD LOOSE BRAKING FOR 6 TO 8 FEET AFTER HITTING A ROUGH SPOT, POT HOLE ETC. NOW IT SKIPS MAYBE 2 TO 3 FEET. THE DEALER AND TOYOTA FACTORY PEOPLE TELL ME IT'S NORMAL ANTI-LOCK BRAKE ACTION. I SAY I HAVE DRIVEN MANY CARS WITH ANTI-LOCK BRAKES AND THEY TO NOT LOOSE BRAKE ACTION, THEY PULSE THE BRAKES. THE TOYOTA FACTORY PEOPLE TELL ME THE CAR IS STILL BRAKING EVEN IF IT FEELS LIKE IT ISN'T. I DO NOT AGREE WITH THAT FOR A SECOND. THE DEALER WANTS TO TEST DRIVE THE CAR TO DETERMINE CONDITION. HOWEVER IT ONLY HAPPENS MAYBE ONCE A WEEK AND NOT AT EVERY BUMP OR JOLT OF THE SUSPENSION. I FEEL TOYOTA DOES NOT HAVE A PROPER FIX AND IS NOT WORKING ON ONE. THEY ARE TRYING TO TALK US PRIUS OWNERS INTO ACCEPTING THIS FLAW AS NORMAL FOR THE CAR. *TR

Mileage: 4,500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT WAS DRIVING APPROXIMATELY 40 MPH ON WET ROAD CONDITIONS AND ENCOUNTERED A POTHOLE. THE BRAKES WERE ENGAGED WITH A DELAY RESPONSE PERIOD BETWEEN 5 TO 10 SECONDS. THE VEHICLE WAS ABLE TO SLOW DOWN AND CONTINUED TO TRAVEL. THE VEHICLE HAD A PRIOR RECALL REPAIR ON MARCH 1, 2010 UNDER THE NHTSA CAMPAIGN ID NUMBER 10V039000 (SERVICE BRAKES, AIR: ANTILOCK: CONTROL UNIT/MODULE). THE REMEDY REPAIR WAS INSUFFICIENT AND FAILED TO CORRECT THE PROBLEM. THE MANUFACTURER WAS NOTIFIED OF THE MALFUNCTION. THE CONTACT WAS WAITING FOR A RESPONSE FROM THE MANUFACTURER FOR RESOLUTION. THE FAILURE AND CURRENT MILEAGES WERE 4,860.

Mileage: 4,860

I RECEIVED DELIVERY OF MY NEWLY PURCHASED 2010 PRIUS ON 10/17/09. THE BRAKES LOCKED UP ON SEVERAL OCCASIONS DURING NOV AND DEC 2009, ON ROUGH ROADS AND DURING SLIPPERY CONDITIONS. I HAD THE BRAKES CHECKED 1/2/10 BY THE TOYOTA DEALER; THEY WERE UNABLE TO DUPLICATE THE CONDITIONS. ON APPROXIMATELY 2/4/10, THE BRAKES FAILED DURING AN ICE STORM AND THE CAR ENDED UP ON SOMEONE'S FRONT LAWN. THERE WERE NO INJURIES OR PROPERTY DAMAGE, THUS THE INCIDENT WAS NOT REPORTED. FOLLOWING THIS INCIDENT, I TOOK THE CAR TO THE TOYOTA DEALER FOR INSPECTION AND RECEIVED A LOANER CAR. WHILE THE DEALER HAD MY CAR, TOYOTA ISSUED A RECALL FOR THE PRIUS' BRAKES. THE BRAKES ON MY PRIUS WERE REPROGRAMMED 2/9/10. SINCE THEN I HAVE HAD FOUR INSTANCES WHERE THE BRAKES LOCKED UP, THE LATEST OF WHICH WAS 4/21/10. THE CAR IS CURRENTLY AT THE TOYOTA DEALER BEING INSPECTED. THE CAR WAS PURCHASED AT COLONIAL TOYOTA IN MILFORD AND ALL SUBSEQUENT SERVICE HAS BEEN PERFORMED BY THAT DEALER. *TR

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT WAS DRIVING APPROXIMATELY 25 MPH ON A ROUGH ROAD SURFACE AND OVER A POTHOLE. WHEN THE BRAKE PEDAL WAS APPLIED, THE VEHICLE SURGED FORWARD WITH NO POWER RESPONSE. THE VEHICLE WAS TAKEN TO THE DEALER FOR A RECALL SOFTWARE REPAIR. THE NHTSA CAMPAIGN ID NUMBER WAS UNKNOWN. THE CONTACT WAS UNCERTAIN OF THE RECALL REMEDY. THE FAILURE CONTINUED TO OCCUR AFTER THE RECALL REPAIR WAS PERFORMED. THE BRAKES WERE ENGAGED FOUR TO FIVE TIMES WITHOUT A RESPONSE. THE CONTACT WAS EXPECTING A RESPONSE FROM THE MANUFACTURER WITHIN THE NEXT TWO DAYS. THE FAILURE MILEAGE WAS 11,000.

Mileage: 11,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED HE PREVIOUSLY RECEIVED REPAIRS UNDER NHTSA CAMPAIGN ID NUMBER 10V039000 (SERVICE BRAKES, AIR: ANTILOCK: CONTROL UNIT/MODULE). PRIOR TO THE RECALL, THE CONTACT HAD EXPERIENCED A DELAY IN BRAKE RESPONSE WHEN TRAVELING OVER ROUGH ROAD SURFACES. FOLLOWING REPAIRS, THE FAILURE PERSISTED BUT WOULD OCCUR ON VARIOUS ROAD SURFACES, INCLUDING FLAT AND DRY SURFACES. THE FAILURE MILEAGE WAS 6,800 AND THE CURRENT MILEAGE WAS 7,300. THE VIN WAS NOT AVAILABLE. UPDATED 06/29/10 *BF

Mileage: 6,800

2010 TOYOTA PRIUS III. THE CONSUMERS DAUGHTER WAS INVOLVED IN AN ACCIDENT. THE BRAKES DID NOT STOP THE VEHICLE WHEN THEY WERE APPLIED. SHE COLLIDED WITH THE VEHICLE IN FRONT OF HER, WHICH THEN HIT ANOTHER VEHICLE. *JB

THE VEHICLE WAS PARKED AND WAS STARTED. THE VEHICLE WAS PUT INTO REVERSE AND THE CAR THEN JUST LURCHED FOR A MOMENT. I JAMMED ON THE BRAKES AND THE BRAKE PEDAL BECAME VERY HARD AND CAME ALL THE WAY TO THE TOP . I HELD THE BRAKE AND THEN JUST SHUT THE CAR OFF. UPON RESTART THE VEHICLE WAS OK. IT DID NOT REPLICATE THE PROBLEM AGAIN. THIS IS THE 4TH OR 5TH TIME THIS HAS HAPPENED AND IT IS ALWAYS THE SAME. THE CAR IS PARKED AND I HAVE TO PUT IT IN REVERSE. *TR

Mileage: 5,600

I HAVE THE 2010 PRIUS AND HAD THE BRAKE RECALL WORK PERFORMED ON MY VEHICLE. IT DIDN'T WORK. WHEN I GO DOWN A HILL AND HIT A SPEED BUMP EVEN AT 5 MILES AN HOUR WHILE BRAKING THE CAR DOESN'T BRAKE FOR A FEW SECONDS. I MOVE 5-10 FEET UNCONTROLLED. IF THERE ARE CARS BACKED UP AT THE STOP I WOULD HIT THEM. *TR

Mileage: 8,000

2010 TOYOTA PRIUS. CONSUMER STATES BRAKE PROBLEMS. *TGW THE CONSUMER STATED IT APPEARED AS IF THE SOFTWARE PATCH FOR THE 2010 PRIUS WAS NOT ENOUGH AS HE HAS EXPERIENCED ONE MORE OCCURRENCE SINCE GETTING THE PATCH ON MARCH 1, 2010. PRIOR TO THE SOFTWARE PATCH, THE CONSUMER EXPERIENCED BRAKE STUTTERING MAY BE 10 TIMES. THE CONSUMER STATED HE READ WHERE THE SWITCH FROM REGENERATIVE TO MECHANICAL BRAKING OCCURRED AT ABOUT 9 MPH HE NOTICED THAT THE BRAKE STUTTERING SEEMED TO OCCUR CLOSER TO 20 MPH. IT WOULD NOT JUST OCCUR WHEN HITTING A SMALL POTHOLE, BUT SOMETIMES WITH JUST STEADY BRAKING ON SMOOTH SURFACES. ON A SMOOTH SURFACE, THE FEELING WOULD BE A BIT OF A JERK. HE WOULD DECELERATE WITH PRESSURE AGAINST THE SEAT BELT AND HIS HANDS ON THE STEERING WHEEL, THEN THERE WOULD BE 1/4 OF A SECOND WHERE THERE WAS NO PRESSURE BECAUSE THE BRAKES WERE NOT WORKING, THEN HE WOULD JERK FORWARD AS THE BRAKES BEGAN TO WORK AGAIN, THERE WAS A SOMEWHAT DIFFERENT SENSATION WHEN HITTING A SMALL POTHOLE. THE MOST RECENT MOMENTARY BRAKE FAILURE OCCURRED WHILE STOPPING FOR A RED LIGHT. THE CONSUMER STATED HE SLOWED DOWN TO 20 MPH WHEN HE FELT A DIFFERENT TYPE OF STUTTERING THAN PREVIOUSLY. IT MAY HAVE BEEN A DOUBLE STUTTERING, BUT IT SEEMED HARDER. *JB

2010 TOYOTA PRIUS. CONSUMER STATES BRAKE PROBLEMS. *TGW THE CONSUMER STATED IT APPEARED AS IF THE SOFTWARE PATCH FOR THE 2010 PRIUS WAS NOT ENOUGH AS HE HAS EXPERIENCED ONE MORE OCCURRENCE SINCE GETTING THE PATCH ON MARCH 1, 2010. PRIOR TO THE SOFTWARE PATCH, THE CONSUMER EXPERIENCED BRAKE STUTTERING MAY BE 10 TIMES. THE CONSUMER STATED HE READ WHERE THE SWITCH FROM REGENERATIVE TO MECHANICAL BRAKING OCCURRED AT ABOUT 9 MPH HE NOTICED THAT THE BRAKE STUTTERING SEEMED TO OCCUR CLOSER TO 20 MPH. IT WOULD NOT JUST OCCUR WHEN HITTING A SMALL POTHOLE, BUT SOMETIMES WITH JUST STEADY BRAKING ON SMOOTH SURFACES. ON A SMOOTH SURFACE, THE FEELING WOULD BE A BIT OF A JERK. HE WOULD DECELERATE WITH PRESSURE AGAINST THE SEAT BELT AND HIS HANDS ON THE STEERING WHEEL, THEN THERE WOULD BE 1/4 OF A SECOND WHERE THERE WAS NO PRESSURE BECAUSE THE BRAKES WERE NOT WORKING, THEN HE WOULD JERK FORWARD AS THE BRAKES BEGAN TO WORK AGAIN, THERE WAS A SOMEWHAT DIFFERENT SENSATION WHEN HITTING A SMALL POTHOLE. THE MOST RECENT MOMENTARY BRAKE FAILURE OCCURRED WHILE STOPPING FOR A RED LIGHT. THE CONSUMER STATED HE SLOWED DOWN TO 20 MPH WHEN HE FELT A DIFFERENT TYPE OF STUTTERING THAN PREVIOUSLY. IT MAY HAVE BEEN A DOUBLE STUTTERING, BUT IT SEEMED HARDER. *JB

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT WAS DRIVING APPROXIMATELY 7 MPH ON A BUMPY ROAD SURFACE. WHEN THE BRAKES WERE ENGAGED THE VEHICLE SURGED FORWARD. WHENEVER TRAVELING BETWEEN 55 MPH ON BUMPY ROAD CONDITIONS THE FAILURE OCCURRED INTERMITTENTLY. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER. THE TECHNICIAN WAS UNABLE TO DUPLICATE THE FAILURE. THE VEHICLE HAD PRIOR RECALL REMEDY ASSOCIATED WITH NHTSA CAMPAIGN ID NUMBER 10V039000 (SERVICE BRAKES, AIR: ANTILOCK: CONTROL UNIT/MODULE). THE FAILURE OCCURRED AFTER THE RECALL SERVICE REPAIR WAS PERFORMED ON THE VEHICLE. THE FAILURE MILEAGE WAS 11,000. THE CURRENT MILEAGE WAS 12,657.

Mileage: 11,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT WAS DRIVING APPROXIMATELY 4 MPH WHEN THE BRAKES WERE APPLIED, THE ANTI-LOCK BRAKE SYSTEM WARNING LIGHT ILLUMINATED ON THE INSTRUMENT PANEL AND THE BRAKES BEGAN TO LOCK. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER. THE TECHNICIAN CONFIRMED THAT THE BRAKES WERE NOT OPERATING PROPERLY AFTER TEST DRIVING THE VEHICLE. THE VEHICLE REMAINED AT THE DEALER FOR FURTHER INSPECTION. THE CONTACT WAS PROVIDED A LOANER VEHICLE. THE TECHNICIAN STATED THAT AFTER THE FINAL INSPECTION THE BRAKES WERE OPERATING NORMALLY. THE FAILURE MILEAGE WAS 30. THE CURRENT MILEAGE WAS 5,500.

Mileage: 30

2010 TOYOTA PRIUS. CONSUMER STATES REAR BRAKES RELEASED OR SLIPPED AND VEHICLE SPED UP. *TGW THE CONSUMER STATED WITHIN THE FIRST MONTH OF DRIVING, SHE DROVE OVER AN UNEVEN, PERHAPS POTHOLED AREA IN THE ROAD AND IT SEEMED AS IF THE VEHICLE'S REAR BRAKES RELEASED OR SLIPPED, AND THE VEHICLE SPED UP. THE VEHICLE THEN SEEMED TO CORRECT ITSELF AND DROVE SMOOTHLY AHEAD WITH PROPER BRAKING. *JB

2010 TOYOTA PRIUS. CONSUMER STATES REAR BRAKES RELEASED OR SLIPPED AND VEHICLE SPED UP. *TGW THE CONSUMER STATED WITHIN THE FIRST MONTH OF DRIVING, SHE DROVE OVER AN UNEVEN, PERHAPS POTHOLED AREA IN THE ROAD AND IT SEEMED AS IF THE VEHICLE'S REAR BRAKES RELEASED OR SLIPPED, AND THE VEHICLE SPED UP. THE VEHICLE THEN SEEMED TO CORRECT ITSELF AND DROVE SMOOTHLY AHEAD WITH PROPER BRAKING. *JB

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING THE VEHICLE AT A SPEED OF 25 MPH, THE VEHICLE CONTINUED TO ACCELERATE EVEN AFTER THE BRAKE PEDAL WAS APPLIED WHEN DRIVING ON A ROUGH OR BUMPY SURFACE. THIS INCIDENT OCCURRED ABOUT FORTY TIMES SINCE THE VEHICLE WAS PURCHASED. THE VEHICLE WAS TAKEN TO THE DEALERSHIP ON TWO OCCASIONS. ON THE SECOND VISIT TO THE DEALERSHIP, THE DEALER UPDATED THE COMPUTER SOFTWARE IN THE VEHICLE. HOWEVER, THE UPDATE DID NOT REMEDY THE PROBLEM. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 11,000.

Mileage: 11,000

2010 TOYOTA PRIUS. CONSUMER STATES BRAKE FAILURE IN WHICH THE MALFUNCTION HAPPENED TWICE AND CAUSED AN ACCIDENT. *TGW THE CONSUMER STATED THE FACTORY DEFECT WAS NOT BROUGHT TO LIGHT UNTIL AFTER THE SECOND INCIDENT. ALTHOUGH, TOYOTA CORRECTED THE BRAKE ISSUE, THE CONSUMER HAS COSTS AND OUTSTANDING PROBLEMS WITH THE VEHICLE BECAUSE OF THE DAMAGE DONE IN FIRST INCIDENT, INCLUDING PROBLEMS WITH THE WHEEL BEARING. THE CONSUMER IS REQUESTING TOYOTA REIMBURSE HIM FOR MONIES PAID TO FIX THE VEHICLE AND ALSO TO FIX THE WHEEL BEARING THAT WAS NOT IDENTIFIED AND NOT REPLACED. THE CONSUMER STATED THE FIRST INCIDENT HAPPENED WHEN HE WAS ABOUT TO MAKE A RIGHT TURN. THERE WAS SNOW ON THE ROADS AND AS HE WAS MAKING THE TURN, TRAVELING ABOUT 9 OR 10 MPH, HE STARTED SLIDING TOWARD THE CURB ON THE OTHER SIDE. HE TRIED TO BRAKE, BUT HE CONTINUED TO SLIDE. AN INSTANT BEFORE HE HIT THE CURB, THE ANTI-LOCK BRAKES ACTIVATED, BUT IT WAS TOO LATE. HE SLID INTO THE CURB WITH THE WHEEL TURNED, BROKE THE WHEEL RIM AND FLATTENED THE TIRE. THE SECOND FAILURE OCCURRED WHEN HE WAS COMING OUT OF A MALL PARKING LOT HEADING TOWARD A MAIN STREET. THE CONSUMER STATED HE WAS COASTING TO THE STOP SIGN AND APPLIED THE BRAKES, BUT NOTHING HAPPENED. HE PUSHED THEM AS HARD AS HE COULD AND AGAIN AT THE LAST SECOND THE ANTI-LOCK BRAKES ACTIVATED. *JB

WE OWN A 2010 PRIUS, [XXX] . IT IS ONE OF THE VEHICLES THAT WAS SUBJECT TO THE ABS ACTUATOR ECU UPDATE SAFETY RECALL NOTICE. I TOOK THE CAR IN EARLY THIS MONTH AND HAD THE UPDATE INSTALLED. THE PROBLEM DESCRIBED, REGARDING LIGHT PEDAL PRESSURE AND THE CAR NOT BRAKING CORRECTLY OCCASIONALLY SEEMS TO FIT WELL WITH WHAT I EXPERIENCED. IN THE MIDDLE OF BRAKING, TRYING TO MAKE FULL USE OF THE REGENERATION FEATURE, THE CAR SOMETIMES STOPPED BRAKING MOMENTARILY. I EXPERIENCED THAT THIS WAS MORE LIKELY TO HAPPEN ON A BUMPY ROAD. IN THE 6 MONTHS OR SO I DROVE THE CAR, PRIOR TO THE UPDATE, I EXPERIENCED THIS PROBLEM ROUGHLY 12 TIMES. I AM SAD TO REPORT HOWEVER THAT IN THE TWO WEEKS SINCE THE CAR WAS UPDATED, I HAVE ALREADY EXPERIENCED TWO ADDITIONAL EVENTS AFTER THE UPDATE THAT SEEM EXACTLY LIKE WHAT I EXPERIENCED BEFORE THE UPDATE. I TOOK THE CAR BACK TO MY DEALER (PRESTIGE TOYOTA, IN RAMSEY, NJ) AND SOMEONE THERE TESTED IT AND WAS CONVINCED THAT THE UPDATE WAS INSTALLED. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

Mileage: 6,400

2010 TOYOTA PRIUS III ABS RECALL WAS APPLIED BY DEALER TOYOTA CITY OF BROOKLYN PARK, MN ON 3/17/10. PRIOR TO THIS RECALL UPDATE TO MY CAR, I HAD EXPERIENCED THE ISSUE ONCE SINCE PURCHASE OF THE CAR ON 10/23/09. NOW SINCE THE ABS UPDATE HAS BEEN APPLIED, I HAVE EXPERIENCED THE ISSUE 3 TIMES IN 5 DAYS. THE LAST EXPERIENCE WAS TODAY AND THE WORST YET WHERE I FELT I LOST BRAKES COMPLETELY WHILE SLOWING THE CAR AND BRAKING. I ESTIMATE MY SPEED WAS ABOUT 15 MPH GOING OVER A MINOR POT HOLE. *DT

Mileage: 6,275

I WAS GOING DOWN A HILL (APPROX 20MPH) IN MY SUBDIVISION (NORTH ON HARTER FARMS RD) WHEN I SAW A CAR PULLING OUT ONTO THE ROAD FROM HIS YARD. I APPLIED THE BRAKES HARD FOR ABOUT 100YDS BEFORE ATTEMPTING TO TURN INTO PALIMINO DR TO AVOID A COLLISION. I DID NOT MAKE THE TURN AND HIT A STOP SIGN AND THEN THE GUARD RAIL AT APPROX 5MPH. THERE WAS ABOUT 1-2" OF SNOW ON THE ROAD AND I HAD DRIVEN UP THE SAME HILL FROM A STOP WITHOUT SLIPPING A TIRE JUST 15 MIN PRIOR. I NEVER FELT ANY PULSATION FROM THE ABS DURING THE ATTEMPT TO STOP. AFTERWARDS WHEN I GOT HOME I ATTEMPTED TO STOP HARD (TO TEST THE BRAKES) ON LEVEL GROUND AND AGAIN NEVER FELT THE PULSATION FROM THE ABS SYSTEM. THERE WAS BRAKING BUT I FELT IT WAS GREATLY REDUCED. I HAVE NOT RETURNED THE CAR TO TOYOTA FOR THEIR RECALL YET. IF YOU WISH TO EXAMINE THE CAR YOU MAY. I AM SURE YOU CAN DUPLICATE THE RESULTS. *TR

Mileage: 7,500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE THE CONTACT WAS DRIVING 5 MPH TRAVELING OVER AN ICY ROAD SURFACE, THE BRAKE PEDAL WAS ENGAGED CAUSING THE VEHICLE TO SLIDE. SUDDENLY, THE VEHICLE CRASHED INTO A SNOW BANK. THE ANTI-LOCK BRAKE SYSTEM WAS INOPERABLE DURING THE FAILURE. THERE WERE NO PRIOR WARNINGS. THE VEHICLE HAS NOT BEEN DIAGNOSED BY THE DEALER. THE CURRENT AND FAILURE MILEAGES WERE 400.

Mileage: 400

2010 PRIUS REPEATEDLY EXHIBITED THE BRAKING DEFECT AT ISSUE IN RECENT RECALL (SUDDEN LURCH FORWARD UPON ENCOUNTERING BUMP WHILE BRAKING TO STOP)--RECALL SERVICE PERFORMED 5 WEEKS AGO. ALTHOUGH THE SUDDEN LURCHING STOPPED (UNTIL TODAY) AFTER THE RECALL SERVICE, THE BRAKING BEHAVIOR THEN HAD A CONSISTENTLY ODD FEELING REQUIRING INCREASED PRESSURE TO FULLY STOP (THOUGH NO MORE SUDDEN LURCHING FORWARD WHEN ENCOUNTERING BUMP). THEN TODAY THE OLD LURCH FORWARD SUDDENLY RECURRED WHEN ENCOUNTERING BUMP WHILE SLOWING TO A STOP. DEALERSHIP CONTACTED AND SAYS THEY HAVE NO FURTHER REMEDY BEYOND RECENT COMPUTER ADJUSTMENT PERFORMED AS PART OF FEBRUARY, 2010 RECALL--BASICALLY TOTALLY DISINTERESTED. *TR

Mileage: 1,805

S10 APPROPRIATE HANDLING RE 2010 TOYOTA PRIUS SAFETY COMPLAINTS. *TGW THE CONSUMER STATED THE CRUISE CONTROL DOES NOT IMMEDIATELY CANCEL, CONTROLLING THE THROTTLE UNDER LIGHT BRAKING. THIS ALLOWED THE VEHICLE TO ACCELERATE UP A HILL WHILE THE CONSUMER WAS SIMULTANEOUSLY APPLYING THE BRAKES. THE BRAKE LIGHTS DID NOT COME ON UNDER LIGHT BRAKING AND THE BRAKES DID NOT WORK WHEN BRAKING OVER ROUGH SURFACES SUCH AS RAILROAD TRACKS. *JB

THE PRIUS PURCHASED 1/3/10. ON 3/6/10 THE VEHICLE WOULD NOT STOP AND HIT ANOTHER CAR. THE VEHICLE WAS TOWED TO NORTH HOLLYWOOD TOYOTA. THE BRAKES FAILED TO OPERATE CAUSING THE PRIUS TO HIT ANOTHER CAR. THIS ALL OCCURRED WITHIN THE COUNTY OF LOS ANGELES, CALIFORNIA. THE VEHICLE CAN BE EXAMINED FOR THIS DEFECT. *TR

Mileage: 1,000

WHEN STANDING STILL , THE BRAKE PEDAL CAN BE PUSHED TO THE FLOOR, EXTREMELY SPONGY FEEL . TOYOTA SAYS THIS IS NORMAL. WHEN THE BRAKES FAIL DUE TO SOFTWARE ERROR ( RECALL NOTICE WAS RECEIVED TODAY FINALLY ) I CAN ALSO EASILY PUSH THE PEDAL TO THE FLOOR. I DO NOT LIKE THIS FEELING HOPEFULLY THE RECALL WILL TAKE CARE OF THIS . VISIBILITY IS TERRIBLE DUE TO THE ROOF SUPPORTS, ARE PEDESTRIAN ACCIDENTS UP, WE CAN NOT SEE ,TO RETURN TO THE RIGHT LANE AFTER PASSING. *TR

Mileage: 2,000

I PREVIOUSLY FILED A COMPLAINT ABOUT MY 2010 PRIUS REGARDING BRAKING FAILURE OVER UNEVEN ROAD SURFACES, CASE #[XXX] . I TOOK MY CAR IN TO OUR LOCAL TOYOTA DEALER YESTERDAY TO HAVE THE ISSUE TAKEN CARE OF (I ALSO RECEIVED A RECALL NOTICE ABOUT THE PROBLEM) I GOT MY CAR BACK AND TODAY I EXPERIENCED THE SAME PROBLEM AGAIN WHILE BRAKING AND GOING OVER A BUMP IN THE ROAD. I WANT YOUR AGENCY TO BE AWARE THAT THE TOYOTA FIX MAY NOT BE WORKING. I WILL BE CONTACTING THE DEALERSHIP AND TOYOTA ABOUT THIS SAFETY ISSUE. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

Mileage: 4,650

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING AT SPEEDS OF APPROXIMATELY 25 MPH ON NORMAL ROAD CONDITIONS, THE ENGINE STALLED WITHOUT WARNING. AFTER SEVERAL ATTEMPTS, THE ENGINE WAS RESTARTED AND THE VEHICLE RESUMED NORMAL OPERATION. THE DEALER WAS CONTACTED IN REGARDS TO THE FAILURE. RECENTLY, THE VEHICLE WAS REPAIRED PER NHTSA CAMPAIGN ID NUMBER 10V039000 (SERVICE BRAKES, AIR: ANTILOCK: CONTROL UNIT/MODULE). THE CONTACT WAS CONCERNED THAT THE RECALL REPAIRS WERE INSUFFICIENT AND POTENTIALLY CAUSED THE RECENT FAILURE. THERE WERE NO FURTHER REPAIRS. THE FAILURE MILEAGE WAS 6,905 AND THE CURRENT MILEAGE WAS UNKNOWN.

Mileage: 6,905

TL*-THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT WAS DRIVING APPROXIMATELY 45 MPH. WHEN BRAKING THERE WAS A DELAY RESPONSE. THE FAILURE OCCURRED THREE DAYS AFTER THE RECALL REMEDY REPAIR WAS PERFORMED ON THE VEHICLE. THE RECALL WAS UNDER NHTSA CAMPAIGN ID NUMBER 10V039000 (SERVICE BRAKES, AIR: ANTILOCK: CONTROL UNIT/MODULE). THE MANUFACTURER WAS NOTIFIED OF THE MALFUNCTION AND THERE WAS NO RESOLUTION. THE FAILURE MILEAGE WAS 11,000.

Mileage: 11,000

I HAVE A 2010 TOYOTA PRIUS - IT HAS 6,000 MILES ON IT. TWO TIMES THE BRAKES HAVE FAILED TO ENGAGE WHEN I HAVE STEPPED ON THE BRAKE PEDAL. IT TAKES APPX. 2 TO 3 SECONDS BEFORE THE BRAKES ENGAGE. *TR

Mileage: 1,899

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING AT 20 MPH TRAVELING OVER A POT HOLE THE CONTACT NOTICED THAT THE VEHICLE HAD SUDDENLY ACCELERATED WITHOUT WARNING. IN ORDER TO STOP THE VEHICLE THE BRAKES WERE APPLIED. THE FAILURE MILEAGE WAS 3,500 AND THE CURRENT MILEAGE WAS 3,700.

Mileage: 3,500

I RECENTLY GOT A RECALL ON MY 2010 PRIUS BUT STILL HAVING A PROBLEM WITH BRAKES. I WENT TO CHECK ON THE PROBLEMS TODAY (SATURDAY, MARCH 13, 2010), HOWEVER, THEY SAID THE LEAD MECHANIC WAS NOT THERE AND COULD NOT HELP ME WITH DISCUSSING PROBLEMS. THEY WANTED ME TO SET UP AN APPOINTMENT AGAIN DURING THE WEEKDAYS (WHICH WILL BE A MORE PROBLEMATIC FOR ME SINCE I WORK FULL TIME AND THEY DON'T OFFER "RENTAL" SERVICE EITHER). I HAVE A GREAT FEAR OF DRIVING THIS CAR AGAIN ON THE ROAD WHERE THERE COULD BE LOTS OF UNEXPECTED ACCIDENTS. I GENERALLY DON'T UNDERSTAND THAT THERE WAS NOBODY WHO COULD TAKE A LOOK AT MY VEHICLE AND GIVE ME SOME ADVICE WHEN THERE ARE LOTS OF CUSTOMERS WHO ARE LOOKING TO GET SOME HELP DURING THE WEEKEND. MY BRAKE STILL SLIPS AND I LOOSE MY CONTROL OVER MY BRAKES WHEN I GO OVER POT HOLES OR SLOWING DOWN AND MAKING TURNS. AGAIN, THE "RECALL" SERVICE DID NOT GIVE ME ANY SOLUTIONS. I DISCUSSED ABOUT THIS PROBLEM AGAIN WITH SALES REPRESENTATIVE AT TOYOTA DEALERSHIP AND ASKED THEM POSSIBLE OPTIONS TO RETURN MY CAR OR GETTING A NEW ONE SINCE IT'S BEEN QUITE LONG DAYS EVER SINCE I STARTED COMPLAINING ABOUT THE SAME PROBLEMS, AND THEY SAID NO TO EVERYTHING. I AM NOT SURE HOW I CAN DRIVE THIS "UNSECURED" CAR ANYMORE. *TR

WE HAVE A 2006 TOYOTA PRIUS. EVER SINCE WE BOUGHT IT, WE'VE BEEN EXPERIENCING A PROBLEM WHICH WAS POOH-POOHED BY THE DEALER, BUT NOW WE THOUGHT IT BEST TO REPORT IT. THIS PROBLEM MANIFESTS ITSELF WHEN THE BRAKE IS APPLIED AND WE DRIVE OVER AN UNEVEN SURFACE OR A VERY COMMON IRREGULARITY IN THE PAVEMENT....LIKE WHEN DRIVING OUT OF OUR DRIVEWAY, WHICH INVOLVES A SMALL ELEVATION GRADE CHANGE BETWEEN THE DRIVEWAY AND THE STREET. THE BRAKING ACTION CHANGES SUDDENLY, AND THE CAR SEEMS TO LOOSE BRAKING MOMENTARILY. WE EXPERIENCE THIS AS A LURCH. THIS IS UNEXPECTED, AND WE'VE NEVER HAD A CAR WHICH DID THIS IN OUR 40 YEARS OF DRIVING EXPERIENCE. *TR

Mileage: 25,000

2010 PRIUS BRAKE ECU UPDATE DID NOT SOLVE PROBLEM. THIS IS AN UPDATE TO A PRIOR COMPLAINT, REFERENCE # 10300235. THE BRAKES FAILED UNDER THE SAME CIRCUMSTANCES AND EXHIBITED THE SAME BEHAVIOR AS IN THE PREVIOUS COMPLAINT. THE DEALER, HUNTINGTON TOYOTA, ALLEGEDLY UPDATED THE ECU ON 2/24/2010. THE CAR LOSES BRAKING ABILITY BRIEFLY WHILE SLOWING DOWN (BELOW 10 MPH) AND PASSING OVER A ROUGH ROAD SURFACE OR POTHOLE. THE SENSATION IS ONE OF THE CAR SURGING FORWARD. THIS HAS HAPPENED SEVERAL TIME SINCE THE UPGRADE, THE LATEST OCCURRENCE BEING 3/11/2010. *TR

Mileage: 4,500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. HE STATED WHEN DRIVING OVER UNEVEN ROAD SURFACES OR SPEED BUMPS IN THE ROAD THE VEHICLE WOULD MOMENTARILY LOSE BRAKING POWER. ALSO, WHEN DEPRESSING THE BRAKE PEDAL OVER ANY TYPE OF UNEVEN ROAD SURFACE THE VEHICLE WOULD SURGE MOMENTARILY. THE DEALER WAS CONTACTED AND INFORMED THE CONTACT THAT THERE WAS NOTHING WRONG WITH THE VEHICLE. THE FAILURE PERSISTED AND THE DEALER WAS CONTACTED A SECOND TIME WHERE THE CONTACT WAS INFORMED THAT THEY WERE AWARE OF THE ISSUE, HOWEVER DID NOT HAVE AN EXPLANATION OR A REMEDY FOR THE FAILURE. THE FAILURE PERSISTED AND THE DEALERSHIP WAS CONTACTED A THIRD TIME WHERE THE CONTACT WAS ADVISED THERE WAS AN OPEN RECALL ON THE VEHICLE NHTSA RECALL NUMBER: 10V039000:SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE) AND TO BRING THE VEHICLE IN TO PERFORM THE RECALL SERVICE. AFTER RECALL REPAIRS WERE PERFORMED ON THE VEHICLE, THE CONTACT EXPERIENCED THE EXACT SAME FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 1,000 AND THE CURRENT IS 7600.

Mileage: 1,000

TODAY I DROVE THE CAR TO SEE WHAT WOULD HAPPEN IF THE CAR WAS ACCELERATING AND I WANTED TO STOP IT OTHER THAN PUTTING ON THE BRAKES AND HITTING THE PARK BUTTON. I WAS TRYING TO REPRODUCE THE CONDITIONS WHICH HAVE RESULTED IN NUMEROUS ACCIDENTS AND MORE THAN ONE LIFE. WHILE SLIGHTLY ACCELERATING I FIRST TRIED TO STOP THE CAR BY PRESSING THE POWER BUTTON. THIS DID NOTHING. I THEN PRESSED THE BRAKE PEDAL ON THE LEFT SIDE WHICH IS YOUR HAND BRAKE, HARD UNTIL THE BRAKE LIGHT CAME ON AND THE ALARM SOUNDED. IN SPITE OF THIS THE CAR KEPT GOING! THE ONLY WAY I COULD STOP THE CAR WAS BY STOPPING THE CAR WITH THE FOOT BRAKE AND THEN PRESSING THE PARK BUTTON. *TR

Mileage: 2,010

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 30 MPH THE BRAKES WERE ENGAGED WITH A SLOW POWER RESPONSE. THE VEHICLE HAD A PRIOR RECALL REPAIR UNDER NHTSA CAMPAIGN ID NUMBER 10V039000 (SERVICE BRAKES, AIR: ANTILOCK: CONTROL UNIT/MODULE). THE FAILURE OCCURRED INTERMITTENTLY. THE FAILURE MILEAGE WAS 10,000. THE CURRENT MILEAGE WAS 10,600.

Mileage: 10,000

I HAVE A 2010 PRIUS. MY CAR WAS SURGING BEFORE BRAKING ON BUMPY TERRAIN. I BROUGHT THE CAR IN FOR REPAIR TO THE DEALER, AS PER THE RECALL. THE PROBLEM IS STILL PRESENT. I STILL FEEL A SURGE WHILE BRAKING OVER BUMPS. I CONTACTED THE SERVICE DEPARTMENT OF TOYOTA AND WAS TOLD THERE WAS NOTHING THEY COULD DO TO FIX THE PROBLEM AND SUGGESTED I CALL TOYOTA HEADQUARTERS IN CALIFORNIA. I HAVE ATTEMPTED THREE TIMES TO REPORT MY COMPLAINT AND ON EACH OCCASION WAITED ON THE PHONE OVER A HALF HOUR WITH NO ANSWER. *TR

Mileage: 50

I HAVE FILED A COMPLAINT HERE BEFORE ABOUT MY 2010 TOYOTA PRIUS, WHERE THE BRAKES WERE SUPPOSEDLY FIXED LAST WEEK BY TOYOTA FOLLOWING THE RECALL. HOWEVER, JUST TODAY THE BRAKING PROBLEM, WHEN HITTING BUMPS IN THE ROAD, SEEMS TO NOT HAVE BEEN FIXED AT ALL. DRIVING IN THE DC AREA, WHERE THERE ARE A LOT OF POTHOLES AROUND, IT IS EASY TO TEST WHETHER THE BRAKES ARE FIXED OR NOT. WHILE DRIVING ALONG THE ROAD TODAY, NEARING MY HOUSE, I HIT A POTHOLE, AND JUST AS IT HAD BEEN HAPPENING BEFORE, THE BRAKES SEEMED TO COMPLETELY LET GO AND THE CAR LURCHED FORWARD FOR A SPLIT SECOND UNTIL THE BRAKES SEEMED TO REGAIN POWER AND I WAS ABLE TO PRESS DOWN ON THEM AGAIN. PRIOR TO THAT INCIDENT, AND NOT 10 MINUTES EARLIER, I HIT A SMALL POTHOLE WHILE BRAKING LIGHTLY AND THE BRAKES GAVE OUT JUST SLIGHTLY. IT'S AN UNMISTAKABLE FEELING, HAVING EXPERIENCED IT NUMEROUS TIMES BEFORE TOYOTA FINALLY DECIDED TO RECALL THE 2010 PRIUS. *TR UPDATED IVOQ 07/08/10.*JB

Mileage: 5,100

I HAVE FILED A COMPLAINT HERE BEFORE ABOUT MY 2010 TOYOTA PRIUS, WHERE THE BRAKES WERE SUPPOSEDLY FIXED LAST WEEK BY TOYOTA FOLLOWING THE RECALL. HOWEVER, JUST TODAY THE BRAKING PROBLEM, WHEN HITTING BUMPS IN THE ROAD, SEEMS TO NOT HAVE BEEN FIXED AT ALL. DRIVING IN THE DC AREA, WHERE THERE ARE A LOT OF POTHOLES AROUND, IT IS EASY TO TEST WHETHER THE BRAKES ARE FIXED OR NOT. WHILE DRIVING ALONG THE ROAD TODAY, NEARING MY HOUSE, I HIT A POTHOLE, AND JUST AS IT HAD BEEN HAPPENING BEFORE, THE BRAKES SEEMED TO COMPLETELY LET GO AND THE CAR LURCHED FORWARD FOR A SPLIT SECOND UNTIL THE BRAKES SEEMED TO REGAIN POWER AND I WAS ABLE TO PRESS DOWN ON THEM AGAIN. PRIOR TO THAT INCIDENT, AND NOT 10 MINUTES EARLIER, I HIT A SMALL POTHOLE WHILE BRAKING LIGHTLY AND THE BRAKES GAVE OUT JUST SLIGHTLY. IT'S AN UNMISTAKABLE FEELING, HAVING EXPERIENCED IT NUMEROUS TIMES BEFORE TOYOTA FINALLY DECIDED TO RECALL THE 2010 PRIUS. *TR UPDATED IVOQ 07/08/10.*JB

Mileage: 5,100

MY 2010 PRIUS BRAKES FAILED MOMENTARILY TWICE WHILE GOING OVER RUTS IN THE ROAD; I WAS ABLE TO KEEP CONTROL OF THE CAR AND THE BRAKES RESUMED WORKING RIGHT AFTERWARDS. *TR

Mileage: -600

I HAD A BRAKING ISSUE, THE CAR WOULD NOT BRAKE AFTER HITTING SEVERAL POTHOLES AND GOING INTO AN INTERSECTION. THIS IS POST RECALL. THE RECALL WAS PERFORMED BY TOYOTA THREE WEEKS AGO. THIS IS THE THIRD INCIDENT FOR THIS VEHICLE WITH IDENTICAL SYMPTOMS. AFTER COASTING FOR 10 FEET OR SO, THE VEHICLE DID APPLY THE BRAKES. *TR

Mileage: 11,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHENEVER THE CONTACT ATTEMPTS TO BRAKE WHILE TRAVELING OVER A ROUGH SURFACE THE BRAKES WILL HESITATE TO ENGAGE INCREASING THE STOPPING DISTANCE. PRIOR TO THE RECENT FAILURE THE CONTACT HAD TAKEN HER VEHICLE TO THE DEALERSHIP WHERE NHTSA RECALL # 10V039000 WAS PERFORMED ON HER VEHICLE. THE CURRENT AND FAILURE MILEAGES WERE 1300. UPDATED 05/10/10 *BF UPDATED 05/10/10*JB

Mileage: 1,300

2010 PRIUS -ALREADY HAD THE BRAKE SOFTWARE FIX -CONTINUES TO ACCELERATE SLIGHTLY WHEN IT GOES OVER POTHOLES WITH THE BRAKE PEDAL DEPRESSED - USUALLY LOW SPEED. *TR

Mileage: 1,800

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. SHE CONFIRMED SHE HAS EXPERIENCED BRAKE FAILURE SEVERAL TIMES IN THE VEHICLE. WHILE ATTEMPTING A RIGHT TURN OVER RAILROAD TRACKS WITH HER FOOT ON THE BRAKE PEDAL, THE VEHICLE ABNORMALLY LUNGED FORWARD AND BEGAN TO ACCELERATE. SHE CONTINUED TO DEPRESS THE BRAKE PEDAL UNTIL THE VEHICLE CAME TO A STOP. SHE ALSO NOTICED THAT WHEN DRIVING UPHILL, THE VEHICLE WAS HESITANT TO ACCELERATE. THE VEHICLE HAD NOT YET BEEN TAKEN TO THE DEALER FOR INSPECTION. THE FAILURE MILEAGE WAS 65,000 AND THE CURRENT WAS 96,077.

Mileage: 65,000

A SAFETY RECALL PROCEDURE PERFORMED RECENTLY ON THE 2010 PRIUS TO FIX THE LURCHING BRAKES HAS NOT BEEN WORKING OUT. I HAD IT DONE RECENTLY, AND THIS IS PAST THE RECALL. IN MORE THAN 3 OCCASIONS RECENTLY I ALMOST HIT THE CAR IN FRONT OF ME WHILE GOING OVER A MANHOLE STOPPING OVER FOR A SIGNAL GOING AS LOW AS 25MPH. THE CAR JUMPED FORWARD DESPITE MY NORMAL BRAKING TO GET IT TO STOP, FORCING ME TO BRAKE HARD COMING TO A FORCED STOP. I AM AFRAID SOMEDAY I MAY NOT BE SO LUCKY !! WISH, TOYOTA PUT MORE THOUGHT INTO THEIR SOLUTIONS THAN RUSHING INTO THE MARKET WITH SUB STD. PROCEDURES & CARS !! *TR

Mileage: 3,600

2010 PRIUS 3 TIMES I HAVE THE BRAKES GRAB AND LOCKED SEVERAL TIMES IN A ROW WHEN I HAVE BEEN APPLYING VERY SLOW PRESSURE. TWICE WHILE BACKING OUT FROM PARKING SPACE AND ONCE WHILE GOING FORWARD SLOWLY IN MY DRIVEWAY. THEY THEN BEGAN ACTING NORMALLY. I AM CONCERNED THAT THIS COULD HAPPEN IN TRAFFIC CAUSING AN ACCIDENT. I CAN'T FIND A PLACE AT TOYOTA TO REPORT. I WAS IN AN ACCIDENT WITH 2002 TOYOTA PRIUS WITH UNEXPLAINED ACCELERATION IN OCTOBER 2009-ALREADY REPORTED. *TR

Mileage: 1,700

MY 2010 PRIUS HAD THE BRAKE SOFTWARE UPDATED BEFORE I PURCHASED IT. I HAVE OWNED THE CAR FOR 12 DAYS. DURING THAT TIME I HAVE EXPERIENCED A BRAKING PROBLEM ON 3 INSTANCES. IN EACH CASE I WAS SLOWING DOWN AT A CONSTANT RATE OF DECELERATION WHEN I HIT A POTHOLE OR OTHER ROUGH SURFACE. FOR A SPLIT SECOND THE RATE OF DECELERATION WAS INTERRUPTED. IN OTHER WORDS IT FELT LIKE I HAD LET UP ON THE BRAKE WHICH I DID NOT DO. ON THE THIRD INCIDENT MY WIFE WAS A PASSENGER IN THE CAR AND ALSO NOTICED THAT FOR A SPLIT SECOND IT FELT LIKE I EASED OFF THE BRAKE. I TOOK MY CAR TO THE TOYOTA DEALER TO MAKE SURE THE SOFTWARE HAD BEEN UPDATED. THEY CONFIRMED THAT IT HAD AND MAKE A NOTE OF MY EXPERIENCE. I HAVE READ ABOUT THE PROBLEM WITH THE BRAKES ON THE HYBRID FORD FUSION AND THE PROBLEM WITH MY CAR MAY BE THE SAME. THAT IS THAT THE ROAD BUMP PROMPTS THE COMPUTER TO MOMENTARILY INTERRUPT THE REGENERATIVE BRAKING AND THUS MAKE IT FEEL LIKE THE BRAKES FAILED. *TR

Mileage: 513

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE DRIVER STATED THE HER VEHICLE WAS RECENTLY REPAIRED PER THE VEHICLE SPEED CONTROL RECALL. THE FAILURE CONTINUED TO OCCUR. IMMEDIATELY AFTER THE REPAIR WAS MADE, SHE WAS DRIVING 30 MPH OVER A POTHOLE; HOWEVER, WHEN SHE ENGAGED THE BRAKE PEDAL, THE VEHICLE ACCELERATED. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 10,500 AND THE CURRENT MILEAGE WAS 11,000.

Mileage: 10,500

I VISITED MY LOCAL DEALERSHIP FOR REPAIR OF THE BRAKE RECALL OF THE 2010 PRIUS IN EARLY FEBRUARY. I DO NOT BELIEVE THAT THIS REPAIR HAS FIXED THE PROBLEM. A FEW DAYS AFTER THE FIX, MY CAR SEEMED TO ACCELERATE AS I WAS BRAKING AND HAPPENED TO BE GOING OVER A POT HOLE. THEN AGAIN JUST A FEW DAYS AGO, I WAS BRAKING TO MAKE A TURN AND HIT A VERY ROUGH PATCH OF ROAD. MY CAR AGAIN NOTICEABLY SEEMED TO ACCELERATE EVEN THOUGH I WAS BRAKING. *TR

Mileage: 16,000

COMPLAINT REGARDING: 2010 TOYOTA PRIUS. SINCE I PURCHASED THE CAR IN SEPTEMBER OF 2009, THE BRAKES FAIL WHEN I AM BRAKING AND HIT A BUMP, POTHOLE, OR UNEVEN ROAD SURFACE. THE BRAKES FAIL FOR A SECOND OR TWO, AND SOMETIMES THE CAR LURCHES FORWARD. THE ISSUE OCCURS APPROXIMATELY ONCE A DAY, EVERY DAY. ON MARCH 6, 2010, I HAD THE RECALL SOFTWARE FOR THE 2010 PRIUS DONE IN THE SERVICE DEPARTMENT AT THE MIKE CALVERT TOYOTA DEALERSHIP IN HOUSTON, TEXAS. ON THE WAY HOME, I EXPERIENCED THE BRAKE FAILURE AGAIN WHEN I WAS BRAKING AND DROVE OVER A SMALL POTHOLE. I EXPERIENCED THE PROBLEM LATER THAT DAY WHEN BRAKING TO STOP AT A RED LIGHT, THE PAVEMENT SURFACE DESCENDED SLIGHTLY BENEATH THE CAR, THE BRAKES LAPSED, AND THE CAR LURCHED FORWARD. I CALLED THE DEALERSHIP. THEY REFERRED TO THE MATERIALS SUPPLIED BY TOYOTA AND TOLD ME TO CALL TOYOTA AT 1-800-331-4331 TO NOTIFY TOYOTA THAT THE RECALL FIX DID NOT WORK. UPON CALLING THIS NUMBER AND NAVIGATING THE OPTIONS ON THE AUTOMATED SYSTEM, I SAT THROUGH A LONG RECORDING STATING THAT THERE WAS A RECALL OF THE 2010 PRIUS. THE OPTION AVAILABLE TO SPEAK WITH AN AGENT DID NOT ALLOW ME TO DO SO. *TR

Mileage: 10

BRAKES TEMPORARILY DISENGAGE WHEN BRAKING. THIS HAPPENS SEVERAL TIMES A WEEK. TOYOTA SAYS THEY INSTALLED THE PROGRAMMING FIX A FEW WEEKS AGO BUT THE PROBLEM CONTINUES TO HAPPEN. I CONTACTED THE DEALERSHIP AND THEY TOLD ME THERE WAS NOTHING THEY COULD DO ABOUT IT, THAT I SHOULD CONTACT TOYOTA CUSTOMER SERVICE. THE FAILURE OCCURS WHEN I'M BRAKING AND HIT A BUMP OR UNEVEN PAVEMENT. THE BRAKES STOP BRAKING FOR JUST A MOMENT. DEPENDING ON MY SPEED AT THE TIME, IT CAN FEEL LIKE A MOMENTARY PAUSE OR A SUDDEN, HEAVY PUSH FROM BEHIND. IT ALWAYS FEELS LIKE I"M SLIDING OVER THE BUMP. *TR

Mileage: 10,500

I WAS DRIVING MY BRAND NEW, 3 WEEKS OLD, 2010 TOYOTA PRIUS ON A RURAL ROAD IN CLARK COUNTY WASHINGTON ON THURSDAY, MARCH 4, 2010, WHEN I ATTEMPTED TO SLOW DOWN TO MAKE A VERY SHARP LEFT TURN. I WAS APPLYING MY BRAKES WHEN ALL OF THE SUDDEN I REALIZED I WAS NOT SLOWING DOWN MUCH AND WAS NOT GOING TO MAKE THE TURN. I HAVE MANEUVERED THIS TURN HUNDREDS OF TIMES AND KNOW THAT ONE MUST SLOW TO ALMOST A CRAWL TO MAKE THE TURN. I TRAVEL THIS AREA AT LEAST 1-2 TIMES PER WEEK, SO I WAS NOT UNFAMILIAR WITH THE TURN. IT FELT LIKE MY CAR INITIALLY SLOWED SOME, BUT THEN SLOWING CEASED AND I ENDED UP ON EMBANKMENT. THE FRONT OF MY CAR WAS DAMAGED SEVERELY. I WAS NOT HURT BUT LEFT WITH A VERY FRIGHTENING EXPERIENCE TO DEAL WITH. I AM A EXCELLENT DRIVER AND HAVE NEVER HAD A WRECK IN THE 31 YEARS I HAVE BEEN DRIVING. I BELIEVE MY BRAKES INITIALLY ENGAGED, BUT THEN DUE TO THE RURAL ROAD SURFACE, AND PEBBLES LEFT ON THE ROAD FROM PREVIOUS ICE AND SNOW, MAY HAVE CAUSED MY BRAKES TO NOT WORK AS THEY SHOULD HAVE. I ATTEMPTED TO CONTACT TOYOTA BUT THEY ARE CLOSED DUE TO IT BEING THE WEEKEND. MY CAR IS AT THE AUTO BODY SHOP AS I WRITE THIS LETTER. MY CONCERN IS THAT I WAS ALLOWED TO PURCHASE A VEHICLE, THAT IS ON THE RECALL LIST WITH SUCH A DANGEROUS DEFECT SUCH AS "THE BRAKES NOT WORKING PROPERLY." I HAVE A TEENAGE SON WHO IS JUST LEARNING TO DRIVE AND WOULD IT HAVE BEEN HIM, THE ACCIDENT MAY HAVE BEEN WORSE. PLEASE ADVISE HOW YOU BELIEVE I SHOULD PROCEED. I AM VERY CONCERNED, UPSET, AND DO NOT FEEL SAFE IN THIS CAR! AND I CERTAINLY DO NOT WANT TO TRANSPORT MY CHILDREN, OTHER FAMILY MEMBERS AND FRIENDS IN AN UNSAFE VEHICLE THAT I JUST SPENT $33,000.00 ON. I WAS TOLD WHEN I PURCHASED THE CAR THAT IT WOULD BE SAFE, FINE TO DRIVE, AND MAY NOT EVEN BE ON THE RECALL LIST. IT IS ON THE LIST AND IT IS NOT A SAFE VEHICLE AS FAR AS I AM CONCERNED. *TR

Mileage: 1,100

MY 2010 TOYOTA PRIUS WILL SOMETIMES BRAKES VERY HARD UNDER LIGHT BRAKE PEDAL PRESSURE WHEN BACKING UP. IT HAPPENS EVERY 2 TO 3 DAYS AND CAN BE WHEN THE CAR IS HOT AND JUST DRIVEN, OR COLD AND BEEN PARKED FOR HOURS. WHEN THIS OCCURS,IT WILL CONTINUE TO HAPPEN NO MATTER HOW MANY TIMES THE BRAKES ARE APPLIED IN REVERSE, WITH THE LIGHTEST OF BRAKE PRESSURE, THE BRAKE APPLY VERY HARD. THEN AFTER THE EVENT, SAY A MILE OR TWO LATER, WHEN BACKING UP, THE BRAKE WILL ACT NORMALLY TO THE BRAKE PEDAL PRESSURE EXERTED. *TR

Mileage: 7,000

AFTER THE RECALL SERVICE ON MY 2010 TOYOTA PRIUS, THE BRAKING SYMPTOM STILL OCCURRED ON TWO OCCASIONS ON MARCH 2, 2010 AND ON MARCH 4, 2010. IN BOTH CASES THERE WAS A DELAY IN BRAKING WHEN THE BRAKE WAS APPLIED WHILE ON A MODERATELY BUMPY ROAD SURFACE. ALTHOUGH DIFFICULT TO MEASURE THE DELAY MAY HAVE BEEN BRIEFER THAN PREVIOUSLY, BUT IT WAS STILL SUFFICIENT THAT IT WOULD HAVE BEEN A SAFETY HAZARD IF THERE WAS A VEHICLE OR OBSTRUCTION IN FRONT OF ME. *TR

Mileage: 8,100

MY DAUGHTER WAS DRIVING THE 2010 TOYOTA PRIUS INTO A SHOPPING CENTER'S PARKING LOT. SHE NOTICED SOME BLACK ICE ON THE GROUND AND STEP ON THE BRAKE. THE CAR DIDN'T STOP AND SLIP ON THE ICE AND THEN HIT THE CURB. THE REPAIR COSTS OVER $7300, AND IT'S THE TOYOTA DEALER DID THE REPAIR WORK. BACK IN LATE OCTOBER AND EARLY NOVEMBER TIME FRAME, WHEN I WAS DRIVING THE CAR OVER A SPEED BUMP WITH SPEED AROUND 15M/H, THE BRAKE DIDN'T WORK, THE CAR JUST SURGE FORWARD, EVENTUALLY SLOW DOWN AFTER 1 SECOND OR SO. *TR

Mileage: 5,607

I TOOK MY 2010 TOYOTA PRIUS IN FOR THE RECALLS AND IT STILL HAS THE SAME ACCELERATION PROBLEM. *TR

Mileage: 4,700

HAD THE RECALL WORK DONE ON MY 2010 PRIUS LAST WEEK, AND THE PROBLEM (SURGE WHEN BRAKING OVER POTHOLE, RR TRACKS, ETC) HAS NOW HAPPENED TWICE SINCE THEN. I JUST SPOKE TO THE SERVICE DEPARTMENT AT PARKWAY TOYOTA IN ENGLEWOOD CLIFFS, WHO TOLD ME THAT, WHILE THE RECALL FIX WOULD LESSEN THE "SURGE" PROBLEM, IT WOULD NEVER TOTALLY GO AWAY BECAUSE OF THE BRAKING SYSTEM ITSELF. SHOULDN'T THIS HAVE BEEN EXPLAINED TO ME, BY TOYOTA INC, OR PARKWAY? THIS IS STILL A VERY DISCONCERTING FEELING. THOUGHT THE RECALL WAS A TOTAL FIX, NOT A PARTIAL ONE. *TR

Mileage: 8,000

S10 APPROPRIATE HANDLING RE BRAKING PROBLEMS EXPERIENCE BY AN OWNER OF A 2010 TOYOTA PRIUS. *KB THE CONSUMER STATED HE EXPERIENCED INCONSISTENT BRAKING WHILE DRIVING ON WET, BUMPY ROADS WHICH REQUIRED EXTRA VIGILANCE AS THE FEEL OF THE BRAKES WOULD OFTEN CHANGE. THE CONSUMER ALSO STATED THE PROBLEM WAS ALSO EVIDENT WHILE IN REVERSE. UNFORTUNATELY, THE VEHICLE DID NOT STOP WHILE IN REVERSE AND HIT ANOTHER CAR. THE CONSUMER'S VEHICLE AS WELL AS THE OTHER VEHICLE WERE DAMAGED. THE CONSUMER STATED HIS VEHICLE IS CURRENTLY AT THE DEALERSHIP RECEIVING THE SOFTWARE UPGRADE TO SUPPOSEDLY ADDRESS THE BRAKING PROBLEM. *JB

WHILE BRAKING ON A SHORT HILL WITH UNEVEN PAVEMENT SURFACE VEHICLE BRAKES FAILED MOMENTARILY AND THEN TOOK HOLD AS I PRESSED HARDER ON THE PEDAL. THIS OCCURRED 3 TIMES ON THE SAME HILL. *TR

Mileage: 4,000

I HAVE A 2010 TOYOTA PRIUS. WHEN DEPRESSING THE BRAKE PEDAL WITH PRESSURE, IT GOES ALL THE WAY TO THE FLOOR AND THE WARNING LIGHT THAT YOU ARE SKIDDING ILLUMINATES. I HAVE ONLY TESTED THIS AT TRAFFIC LIGHTS AND NOT WHILE MOVING. I HAD THE PRIUS IN FOR AN OIL CHANGE IN GASTONIA, NC AND THEY SAID THEY FIXED THE PROBLEM BUT IT STILL HAPPENS. *TR

Mileage: 11,000

2010 PRIUS BRAKES. AFTER MY FIRST COMPLAINT AND ALL THE NEWS ON THIS PROBLEM I HAVE BEEN PAYING CLOSE ATTENTION AND AS I FIRST THOUGHT THE CAR DOES NOT JUST LOOSE BRAKING IT ACTUALLY ACCELERATES. WHEN BRAKING OVER ROUGH SURFACES OR POTHOLES AND YOUR FOOT ON THE BRAKE PEDAL YOU FEEL THE CAR SPEED UP FOR MAYBE ONE OR TWO SECONDS. SO FAR I HAVE BEEN ABLE TO STOP OK. I QUICKLY LET OFF THE BRAKE PEDAL AND REAPPLY THEM AND EVERYTHING STOPS FINE. I GET NO WARNING LIGHTS OR ALARMS AND NEVER KNOW WHEN IT MIGHT HAPPEN. STOPPING OVER THE SAME SURFACE THE NEXT DAY MAY NOT PRODUCE THE SAME RESULTS, PRETTY RANDOM PROBLEM. *TR

Mileage: 8,500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT AS SHE WAS COMING TO A STOP AND THE ROAD WAS WET WHEN THERE WAS GRAVEL ON THE ROAD THE BRAKES WOULD NOT ENGAGE WHILE BEING DEPRESSED. THE VEHICLE LUNGED FORWARD AND HIT THE CURB A COUPLE OF TIMES. WHEN DRIVING AT A HIGH SPEED AND SLOWING DOWN THE BRAKES DID NOT HOLD AND A CRASH ALMOST OCCURRED. THE CONTACT STATED THAT ON SEVERAL OCCASIONS BRAKE FAILURE OCCURRED SINCE THE VEHICLE WAS PURCHASED. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE FAILURE WAS NOT RELATED TO THE BRAKES BUT HOW SHE DROVE THE VEHICLE. THE TOYOTA MANUFACTURER HAVE NOT BEEN CALLED FOR THE FAILURE. THE FAILURE MILEAGE WAS 14,905.

Mileage: 14,905

I HAVE A 2010 TOYOTA PRIUS MODEL V WITH THE ADVANCED TECHNOLOGY OPTION INCLUDING PCS (PRE-COLLISION SYSTEM) SYSTEM. TWICE IN THE LAST 6 WEEKS THE PCS SYSTEM HAS TRIGGERED WHILE I HAVE BEEN DRIVING. AT THIS TIME I DID NOT HAVE THE RADAR CONTROLLED CRUISE CONTROL ON OR ENGAGED. BOTH TIMES, THE SEATBELTS RAPIDLY RETRACTED THE CAR STARTED BRAKING RAPIDLY AND BEEPING AGGRESSIVELY. BOTH TIMES AFTER WHAT SEEMED LIKE 3-5 SECONDS THE CAR RETURNED TO NORMAL DRIVING. BOTH TIMES I WAS DRIVING AT NIGHT AT SPEEDS BETWEEN 35 AND 55 MPH. BOTH TIMES DUE TO THE RAPID SEATBELT/SHOULDER BELT RETRACTION MY LEFT ARM AND CHEST WAS HURT. THE PAIN LASTS ABOUT A WEEK, SO THERE WAS A SERIOUS BRUISE WHICH WOULD HAVE BEEN OK IF THERE WAS REALLY A CRASH SITUATION. BOTH TIMES THERE WAS NO ONE IN FRONT OF ME. ONCE THERE WAS SOMEONE BEHIND ME WHO ALMOST CRASHED INTO ME BECAUSE OF THE RAPID BRAKING. *TR

Mileage: 8,000

25 JANUARY 2010, CORNER OF RUFUS ALLEN AND HWY. 50 SOUTH LAKE TAHOE, CALIFORNIA, 96150, AT APPROXIMATELY 1630 LOCAL. ROAD CONDITIONS MOSTLY DRY 65% / 35% THIN PATCHY ICE, SMOOTH SURFACE NO POTHOLES. APPLIED BRAKES CAR LURCHED FORWARD, MOMENTARY LOSS OF BRAKES UNTIL MORE FIRM BRAKE APPLICATION WAS APPLIED UNTIL BRAKING SYSTEM RESPONDED AND CAR STOPPED SHORT OF INTERSECTION, NO TRAFFIC VIOLATION, INCIDENT OF DAMAGE. *TR

Mileage: 500

TL*THE CONTACT HAS A 2010 TOYOTA PRIUS. A CRASH OCCURRED WHEN THE BRAKES FAILED TO STOP THE VEHICLE. THE CONTACT STATED THAT HE APPLIED PRESSURE TO THE BRAKE PEDAL TO NO AVAIL. THE VEHICLE WAS TRAVELING 15 MPH AT THE TIME OF THE FAILURE. THE WEATHER CONDITIONS WERE A FACTOR AND THE ROAD WAS COVERED WITH SNOW AND ICE AT THE TIME. THE CURRENT AND FAILURE MILEAGE WAS 8,000. UPDATED 06/28/10*JB

Mileage: 8,000

PRIUS, WHEN BRAKE WAS DEPRESSED IT SPED UP WHEN DRIVING SLOW AND HITTING A POT HOLE THIS HAPPENED TWICE BEFORE TOYOTA CAME OUT WITH THE INFORMATION ABOUT THE BRAKES AND ONCE SINCE THE INFORMATION HAS BEEN IN THE NEWS. I BOUGHT THE CAR IN AUGUST HAD THE FIRST INCIDENT IN SEPT. ONE AROUND CHRISTMAS AND ONE THIS MONTH. DIDN'T REALLY KNOW WHAT WAS HAPPENING UNTIL NOW. *TR

2010 TOYOTA PRIUS WITH BRAKE PROBLEM. CONSUMER STATES THAT A SUDDEN LOSS OF BRAKING OCCURS AFTER DRIVING OVER SMALL POTHOLES, LOOSE GRAVEL, OR DOWN A SLIGHT HILL. *KB THE CONSUMER STATED IT FELT AS THOUGH THE VEHICLE WAS ACCELERATING FOR 1-3 SECONDS. *JB

2010 TOYOTA PRIUS SOFTWARE DEFECT IN THE ENGINE CONTROL SYSTEM. CONSUMER STATES WHILE REVERSING BEFORE THE START UP OPERATION IS COMPLETE THE BRAKES GRAB. *KB THE CONSUMER PARKED FACING AN UPSLOPE AT THE DEALER TO GET HIS LICENSE PLATE INSTALLED. TO LEAVE, THE CONSUMER PUT HIS FOOT ON THE BRAKE AND PRESSED THE POWER BUTTON. AS THE DASHBOARD STARTED TO LIGHT UP, HE SHIFTED INTO REVERSE, RELEASED THE PARKING BRAKE AND THE FOOT BRAKE AND STARTED TO EASE DOWN THE RAMP. AS THE CONSUMER APPLIED THE FOOT BRAKE, THE BRAKES GRABBED BADLY. THE CONSUMER RELEASED AND RE-APPLIED THEM, AND AGAIN THEY GRABBED. THE GRABBING WAS SEVERE ENOUGH THAT THE VEHICLE WAS NOT SAFE TO DRIVE AND THE CONSUMER JUST STOPPED. THE CONSUMER BELIEVED THE BEHAVIOR INDICATED A DEFECT IN THE SOFTWARE THAT CONTROLLED THE START-UP SEQUENCE. THE CONTROL COMPUTER SHOULD NOT ALLOW THE VEHICLE TO BE SHIFTED INTO DRIVE OR REVERSE UNTIL THE POWER-ON OPERATIONS HAVE BEEN FULLY COMPLETED. *JB

THIS IS AN UPDATE TO AN EARLIER COMPLAINT (#10304111). WE HAD AN ACCIDENT WITH OUR 2010 TOYOTA PRIUS WHICH WE FIRMLY BELIEVE WAS CAUSED BY BRAKE FAILURE. MY WIFE WAS DRIVING THE CAR ON A SLIPPERY ROAD, IT WAS LIGHTLY SNOWING, AT ABOUT 10-15 MPH AND CAME TO A STOP SIGN. SHE APPLIED THE BRAKES AND SAID NOTHING HAPPENED. AS A CAR WAS AT THE STOP SIGN SHE TURNED TO AVOID THE CAR AND HIT A RAISED AND SHARP CURB, WHICH PIERCED THE TIRE AND BENT THE TIE-ROD. OUR CAR WAS TOWED TO A BODY SHOP. AFTER ABOUT 10 DAYS, STATE FARM INSPECTED THE CAR, BUT BY THIS TIME THE RECALL FOR THE PRIUS HAD BEEN ANNOUNCED. THE BODY SHOP THEN REFUSED TO FIX THE CAR AND WE HAD TO TAKE IT TO A TOYOTA DEALER. STATE FARM HAS SINCE DECIDED NOT PURSUE THIS INCIDENT AS THEY FEEL THE SNOW CAUSED THE ACCIDENT AND THAT THE TEMPORARY LOSS OF BRAKES IS NOT WHAT THE RECALL IS ABOUT. FROM OUR READING OF NUMEROUS ARTICLES (NY TIMES) AND THE RECALL INFORMATION ITSELF, PLUS WHAT HAPPENED, WE ARE STRONGLY STATING THAT THERE WAS IN FACT A TEMPORARY OR MOMENTARY LOSS OF THE BRAKES WHICH DIRECTLY CAUSED THIS ACCIDENT. FROM OUR READING OF THE RECALL AND OTHER COMPLAINTS, SLIPPERY CONDITIONS ARE ONE OF THE FACTORS WHICH CAUSE THIS PROBLEM. IN OUR CASE, THIS PROBLEM WAS EXACERBATED AS NOT ONLY WAS THERE SLIPPERY CONDITIONS, BUT THE CAR WAS ON A HILL AS WELL. WE HAVE ALSO EXPERIENCED PRIOR TO THIS ACCIDENT A SKIPPING OR MOMENTARY BRAKE PROBLEM WHEN GOING OVER BUMPY ROADS. WHEN ASKING ABOUT THIS WE WERE ALWAYS TOLD IT HAD TO DO WITH THE ABS SYSTEM AND THAT IT WAS NORMAL. WELL THE RECALL PROVES THIS WAS NOT NORMAL AND NOW WE'VE EXPERIENCED THE PROBLEM ON SLICK ROADS AS WELL -- WHICH HAS NOW COST US MONEY. *TR

Mileage: 3,000

TWO FAILURES. FIRST WHILE TRAVELING AT HIGH SPEED FROM CANADA TO NYC ON DECEMBER 26, THE LEFT SIDE OF MY ELECTRONIC DISPLAY WENT OUT, SPECIFICALLY THE SPEEDOMETER AND GAS MILEAGE COMPONENT OF THE DISPLAY BLANKED OUT. IT TOOK TOYOTA ABOUT A WEEK TO FIGURE OUT HOW TO FIX IT. SECONDLY, I BROUGHT MY 2010 PRIUS INTO MY LOCAL DEALER BECAUSE OF THE BRAKING ACCELERATION ISSUE. IT HAD HAPPENED ABOUT 10 TIMES SINCE I BOUGHT THE CAR ON JUNE 30, 2009. AS THE CAR WAS BRAKING TO A STOP, THERE SEEMED TO BE AN ACCELERATION ASSOCIATED WITH THE BRAKING. WHEN I BROUGHT IT TO STAR TOYOTA OF BAYSIDE, THEY HAD THE TECHNICIAN DRIVE THE CAR FOR ABOUT 3 MILES AND STATED THAT THEY FOUND NO TROUBLE. *TR

Mileage: 8,544

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED WHENEVER SHE WAS APPLYING THE BRAKES, THE BRAKES CEASE TO WORK PERIODICALLY WHEN GOING OVER A BUMP OR A POT HOLE. THE VEHICLE LURCHES FORWARD AS THE BRAKES ARE DEPRESSED WHENEVER SHE HITS A BUMP. THE VEHICLE WAS TAKEN TO THE DEALER AND CONTACT WAS TOLD IT WAS HER IMAGINATION AND NOTHING IS WRONG WITH THE BRAKES. THE TOYOTA MANUFACTURER HAD NOT BEEN CALLED AT THE TIME OF THE COMPLAINT. THIS FAILURE HAS HAPPENED FROM THE DAY OF PURCHASE . UPDATED 03/15/10 *BF THE CONSUMER STATED WHEN THE BRAKES WERE DEPRESSED OCASSIONALLY, THE BRAKING MECHANISM WOULD FAIL MOMENTARILY WHICH CAUSED THE VEHICLE TO LUNGE FORWARD . THE CONSUMER HAD REPAIRS MADE TO THE VEHICLE. HOWEVER, THE PROBLEM CONTINUED. UPDATED 09/15/10

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. SHE STATED THAT WHILE DRIVING AT 30 MPH SHE DROVE OVER A BUMP ON THE ROAD. WHILE HAVING HER FOOT ON THE BRAKE THE VEHICLE SURGED FORWARD, A FEW SECONDS LATER THE BRAKES ENGAGED. THIS ISSUE HAS OCCURRED 5 ADDITIONAL TIMES. THE VEHICLE HAS NOT BEEN DIAGNOSED AND NO REPAIRS HAD BEEN DONE AT THE TIME OF THE COMPLAINT. THE FAILURE MILEAGE WAS 1000 AND CURRENT MILEAGE WAS 35000.

Mileage: 1,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS HYBRID. WHILE DRIVING APPROXIMATELY 2 MPH, THE BRAKES WERE APPLIED AND THEY DID NOT ENGAGE. THE CONTACT CALLED TOYOTA AND WAS ADVISED TO WAIT FOR A LETTER. THE CONTACT CALLED THE MANUFACTURER AND COULD NOT GET THROUGH. THE CURRENT MILES WERE 3603. THE FAILURE MILES WERE 1689.

Mileage: 1,689

PRIUS 2010 - WHEN I BRAKE GOING OVER POTHOLE, THERE IS A SUDDEN ACCELERATION. THIS HAPPENED TWICE SINCE I BROUGHT THE CAR IN TO THE TOYOTA DEALERSHIP AND THEY CLAIMED THEY "FIXED" THE PROBLEM. IT HAPPENED MOST RECENTLY TODAY MONDAY FEBRUARY 22, 2010. *TR

Mileage: 10,550

I HAVE HAD SEVERAL PROBLEMS WITH MY 2010 TOYOTA PRIUS. I HAVE FOUND THE BRAKES TO BE UNDEPENDABLE IN SITUATIONS OF UNEVEN PAVEMENT OR ANYTHING BUT PERFECT ROAD CONDITIONS. AFTER APPLYING THE BRAKES, THE CAR CONTINUES TO MOVE FORWARD AS IF THE BRAKES WERE NEVER APPLIED. THIS CONTINUES FOR SEVERAL SECONDS CAUSING A DANGEROUS DELAY IN PERFORMANCE OF THE BRAKES. THIS HAS OCCURRED SEVERAL TIMES THIS WINTER, AND IS UNFORTUNATELY NOT PREDICTABLE. ONE INSTANCE LED TO MY CAR SLAMMING INTO AN SNOW AND ICE BANK DAMAGING THE LOWER FRONT PART OF THE CAR. ANY OTHER CAR I HAVE DRIVEN WOULD HAVE STOPPED LONG BEFORE HAVING CONTACT WITH THE BANK, AS THE PAVEMENT WAS DRY YET UNEVEN. ANOTHER ISSUE I HAVE HAD IS UNRELIABLE ACCELERATION, AGAIN A HESITATION OF SEVERAL SECONDS AFTER THE ACCELERATOR PEDAL IS PUSHED THAT IS DANGEROUS AS WELL MAKING PERFORMANCE UNPREDICTABLE. BOTH THESE SITUATIONS LEAVES ME UNCERTAIN OF WHAT KIND OF PERFORMANCE I CAN EXPECT FORM BOTH THE BRAKES AND ACCELERATOR AT ANY GIVEN TIME. SINCE I DRIVE MY DAUGHTER TO SCHOOL EACH DAY, I AM NERVOUS EVERY TIME I GET INTO THE CAR AND CONCERNED ABOUT THE SAFETY OF MY DAUGHTER AND THE OTHER STUDENTS. I ALSO REGULARLY WAKE UP IN THE MIDDLE OF THE NIGHT FEARFUL ABOUT DRIVING MY PRIUS TO SCHOOL AND WORK THE FOLLOWING DAY. SO FAR I HAVE DONE NOTHING TO CORRECT THE SITUATION AS TOYOTA DEALERSHIPS ARE SO SWAMPED BY OTHER RECALL APPOINTMENTS THAT IT IS NEARLY IMPOSSIBLE TO GET AN APPOINTMENT FOR ANYTHING BUT A RECALL. SO FAR TOYOTA HAS NOT CONTACTED ME ABOUT THE BRAKE RECALL SOLUTIONS OR RECALL PROCESS, SO I AM AT A LOSS ABOUT WHERE TO TURN. *TR

Mileage: 8,300

DURING BRAKING, MY 2010 TOYOTA PRIUS WOULD "LUNGE" FORWARD AS THOUGH THE BRAKES DID NOT WORK FOR A FEW SECONDS WHEN "HITTING" SMALL BUMPS IN THE ROAD. THIS HAPPENED TWICE. *TR

Mileage: 3,000

I HAVE 2010 PRIUS. I AM EXPERIENCING AN ENERGY SURGE FROM MY BACK WHEELS WHEN I STEP ON MY BRAKES WHILE SIMULTANEOUSLY GOING OVER A BUMPY SURFACE LIKE RAIL ROAD TRACKS, POT HOLE OR ROUGH GROUND. IT OCCURS SEVERAL TIMES A WEEK. THE RESULT IS THAT MY CAR SUDDENLY SPEEDS FORWARD WHEN I LEAST WANT IT TO - I AM BRAKING. I HAVE IT THRUST ME INTO AN INTERSECTION. I REPORTED IT TO MY SERVICE DEPT IN NOV 09. THEY TOLD ME THEY HAD NEVER HEARD OF THIS PROBLEM BEFORE AND HAD NO OTHER COMPLAINTS. WITH A FRONT WHEEL DRIVE I DIDN'T UNDERSTAND WHY THE POWER SEEMED TO BE COMING FROM THE BACK WHEELS. NOW I AM ASSUMING IT IS SOME KIND OF CONNECTION TO THE ABS SYSTEM. THIS HAPPENS MOST NOTABLY AT LOWER SPEEDS, ROUNDING A CORNER. BUT I THINK IT MAY ALSO BE HAPPENING ON THE HIGHWAY, BUT THE SURGE IS HARDER TO DETECT AT HIGHER SPEED. *TR

Mileage: 1,000

TL*THE CONTACT HAS 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 15 MPH FOUR TIMES WHEN SHE DROVE OVER A POTHOLE AND THE BRAKES WERE APPLIED, IT FELT AS IF THE VEHICLE LUNGED FORWARD. THE BRAKES ALWAYS FUNCTIONED NORMALLY ON EVEN ROAD SURFACES VS. AN UNEVEN SURFACE. THE VIN WAS UNAVAILABLE. THE FAILURE MILEAGE WAS 2500. THE CURRENT MILEAGE WAS 2700.

Mileage: 2,500

I WAS DRIVING MY 2010 TOYOTA PRIUS (WHICH I PURCHASED IN JULY OF 2009) AROUND 6:30 PM WEDNESDAY JAN. 27TH 2010 IN AN AREA WITH MANY TRAFFIC LIGHTS. THE TEMPERATURE WAS BELOW FREEZING. I WAS GOING BETWEEN 25 - 30 MPH AND I WAS FOLLOWING TWO OTHER VEHICLES AT A SAFE DISTANCE. THE VEHICLE IN FRONT OF ME CAME TO A SUDDEN STOP IN RESPONSE TO THE VEHICLE IN FROM OF HIM STOPPING SUDDENLY FOR A RED LIGHT AT A TRAFFIC LIGHT. I HIT MY BRAKES AND IT FELT AS IF THERE WAS A MOMENTARY PAUSE BEFORE THE BRAKES ENGAGED. I HIT THE VEHICLE IN FRONT OF ME AT LESS THAN 5 MPH. THE ACCIDENT CAUSED DAMAGE TO THE HOOD AND FRONT END OF MY VEHICLE. THE VEHICLE IN FRONT OF ME WAS A SUV SO I CAUSED ONLY SLIGHT DAMAGE TO HIS REAR BUMPER (THE FRONT END OF MY CAR WENT UNDER HIS BUMPER). I WAS FOLLLOWING AT A SAFE DISTANCE AND FEEL THAT THE MOMENTARY PAUSE FROM THE TIME I HIT MY BRAKE PEDAL TO THE BRAKES ENGAGING CAUSED ME TO BUMP INTO THE VEHICLE IN FRONT OF ME. *TR

Mileage: 9,620

WHEN BRAKING IF MY CAR HITS A BUMP MY BRAKES DISENGAGE. *TR

Mileage: 5,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE THE CONTACT WAS DRIVING AT 15 MPH THERE WAS A REDUCTION OF THE SPEED RATE. THE DRIVER ENCOUNTERED A SPEED BUMP WITH PRESSURE OF THE FOOT APPLIED TO THE BRAKE PEDAL. THE BRAKES FAILED TO ENGAGE AND THE VEHICLE BEGAN TO SURGE FORWARD. THE VEHICLE CONTINUED TO THE DESTINATION AND PARKED THE VEHICLE. THE FAILURE OCCURRED TWO DIFFERENT TIMES. THE CONTACT IS IN THE PROCESS OF NOTIFYING THE DEALER. THE VEHICLE HAS NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 3000 AND CURRENT MILEAGE WAS 5000.

Mileage: 3,000

2010 PRIUS PURCHASED IN AUGUST 2009. SURGE WHEN APPLYING BRAKES. OCCURRED 4 TIMES INCLUDING 2/15/2010. HAS OCCURRED IN SAME PLACE 3 TIMES. EACH TIME THERE WERE POTHOLES. WHEN THEY WERE FIXED, DID NOT HAPPEN UNTIL THEY RETURNED. COMPLAINED TO TOYOTA DEALER AND WAS TOLD THIS WAS NORMAL WHEN HYDRAULIC AND ELECTRONIC BRAKES EXCHANGE. I SUGGESTED IT WAS A DANGEROUS NORMAL. NO DAMAGE OR INJURY IN ANY CASE. WAS ALWAYS ABLE TO PUSH HARDER ON BRAKE TO STOP CAR. STUNS YOU WHEN IT HAPPENS BECAUSE IT IS NOT NORMAL. SINCE FIRST INSTANCE, HAVE TRIED TO KEEP DISTANCE WHEN SLOWING AND BRAKING. *TR

Mileage: 2,200

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS WHICH WAS PURCHASED IN AUGUST 2009. SHE STATED THAT WHENEVER SHE APPLIED THE BRAKE PEDAL DURING INCLEMENT OR RAINY WEATHER CONDITIONS AND UNEVEN PAVEMENT, THE VEHICLE LUNGED FORWARD. THE BRAKES WOULD NOT ENGAGE AND THERE WOULD BE A MOMENTARY HESITATION. THE DEALER WAS CONTACTED AND ADVISED HER THAT IT WAS NORMAL AND SHE MUST HAVE BEEN DRIVING TOO FAST. THE CONTACT CONFIRMED SHE WAS NOT SPEEDING AND THAT EVEN WHILE TRAVELING AT SPEEDS OF LESS THAN 10 MPH OR IN A PARKING LOT, THE FAILURE WOULD OCCUR. THE ECU MODULE AND THE ABS SYSTEM WAS REPROGRAMMED UNDER THE SERVICE BRAKES RECALL CAMPAIGN ID NUMBER: 10V039000. THERE WERE NO ADDITIONAL FAILURES SINCE THE REPAIR WAS MADE. THE FAILURE MILEAGE WAS 200 AND THE CURRENT MILEAGE WAS 5,000.

Mileage: 200

WE HAVE A VERY LONG STEEP DRIVEWAY. I APPLY SOME BRAKING WHEN DESCENDING AND THEN MORE AS I REACH THE BOTTOM BEFORE I ENTER THE STREET. THERE IS A WATER DIVERTER BUMP ABOUT TEN FEET BEFORE THE END OF THE DRIVEWAY. IT IS ABOUT AN INCH OR SO TALL AND ABOUT SIX INCHES WIDE, CROSSING THE FULL WIDTH OF THE DRIVEWAY. SEVERAL TIMES WHEN I HAVE ROLLED OVER THE BUMP AND I AM APPLYING MORE BRAKES, THE BRAKES STOP WORKING FOR A SECOND OR SO AND THEN REGAIN POWER. AT FIRST IT FELT LIKE I WAS ACCELERATING, UNTIL IT HAPPEN A SECOND TIME AND I WAS MORE AWARE OF WHAT WAS GOING ON. APPLYING HEAVIER BRAKING BEFORE THE BUMP, SEEMS TO STOP THIS SENSATION. THE LAST TIME THE BRAKES DID THIS WAS WHEN PULLING TO THE SIDE OF THE ROAD TO LET FASTER TRAFFIC BY, ONTO A ROUGH GRAVEL DRIVEWAY ENTRANCE. INITIALLY THE BRAKES WORKED THEN FOR AN INSTANT THEY ARE GONE, THEN BACK AGAIN. BEFORE THE RECALL WE CALLED THE DEALER WHO SAID WE WERE JUST NOT USED TO ANTI LOCK BRAKES! WE HAVE HAD ANTI LOCK BRAKES FOR MANY MANY YEARS IN MANY DIFFERENT VEHICLES. WE KNOW WHEN THE ANTI-LOCK BRAKES ARE DOING THEIR JOB. THIS IS NOT THE SAME TYPE OF PULSING UPON HEAVY BREAKING. THIS HAPPENS IN THE 2010 PRIUS WHEN USING NORMAL BRAKING PRESSURE. *TR

Mileage: 200

BRAKES ON MY PRIUS HAVE MOMENTARILY FAILED ON TWO OCCASIONS - BOTH TIMES HAPPENED AFTER GOING OVER A POT HOLE/ROUGH PATCH OF ROAD. *TR

Mileage: 2,100

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED UNDER NORMAL CONDITIONS AS SHE WAS DRIVING AT 45MPH AND COMING TO A STOP WITH HER FEET ON THE BRAKES THE VEHICLE LUNGED FORWARD BEFORE STOPPING. THE CONTACT CALL THE DEALER AND INFORM THEM OF THIS AND WAS TOLD THERE IS NO PROBLEMS WITH THE VEHICLE AND THEY NEVER HEARD OF THIS FAILURE. THERE HAD BEEN NO PRIOR MAINTENANCE PERFORMED ON THE VEHICLE PRIOR TO THE FAILURE. THE FAILURE MILEAGE WAS 1,500.

Mileage: 1,500

TEMPORARY LOSS OF BRAKING ON 2010 TOYOTA PRIUS ON UNEVEN PAVEMENT. ONE OCCURRENCE ON 10/20/2009. AN EARLIER OCCURRENCE ALSO OCCURRED ON UNEVEN PAVEMENT - PROBABLY IN SEPTEMBER 2009, BUT I DO NOT HAVE A RECORD OF THE DATE. THE DEALERSHIP PERFORMED THE RECALL MAINTENANCE TODAY (02/16/2010). PLEASE NOTE THAT THE CAR ALSO EXHIBITS EXTREME BRAKING IMMEDIATELY AFTER A COLD START UNDER WET CONDITIONS. THIS EXTREME BRAKING IS UNLIKE ANY OTHER CARS PREVIOUSLY OWNED OVER NEARLY 40 YEARS. THE EXTREME BRAKING DOES SUBSIDE AFTER A SHORT DISTANCE IF THE BRAKES ARE LIGHTLY APPLIED WHILE DRIVING ACCELERATOR IS DEPRESSED TO MAINTAIN SPEED. *TR

Mileage: 2,500

WE HAVE EXPERIENCED ENGINE SURGES/LACK OF BRAKING WITH OUR 2010 TOYOTA PRIUS ON 5 DIFFERENT OCCASIONS DURING AUG 2009 - FEB 2010: -1: HIT POTHOLE WITH RIGHT FRONT TIRE AND EXPERIENCED SURGE. -2: HIT EXACT SAME POTHOLE ON ANOTHER DAY AND SAME RESULT (SURGE). -3: WHILE DRIVING ON PAVED ROAD HIT SOME ICE AND EXPERIENCED SURGE. -4: WHILE APPROACHING STOP LIGHT, APPLIED BRAKES, WHEN FRONT RIGHT SIDE OF CAR HIT GRAVEL, EXPERIENCED SURGE. -5: WHILE PREPARING FOR LEFT HAND TURN ON BUSY STREET, WHEN CAR WENT OVER A LARGE DRAINAGE GRATE IN THE TURN LANE, EXPERIENCED SURGE. *TR

Mileage: 2,000

2010 TOYOTA PRIUS SOMETIMES HAS VERY GRABBY BRAKES WHEN REVERSING AND APPLYING SLIGHT FORCE ON BRAKE PEDAL. BRAKE RESPONSE IS ALMOST LIKE A PANIC STOP. THIS HAPPENS OCCASIONALLY WHEN STARTING CAR AND PUTTING IN REVERSE. THE REMEDY IS TO PUT CAR IN PARK THEN PUT IN REVERSE. *TR

Mileage: 250

HAVE A 2010 TOYOTA PRIUS PURCHASED IN DEC. '09. WIFE WAS APPROACHING AN INTERSECTION, BRAKED, PROCEEDED STRAIGHT THROUGH THE INTERSECTION, AND AS SHE CROSSED THE CROWN OF THE STREET (FOR DRAINAGE), SHE EXPERIENCED A MOMENTARY LOSS OF BRAKING. IT HAS OCCURRED ONE TIME SO FAR. NOTHING HAS BEEN DONE TO CORRECT FAILURE. *TR

Mileage: 1,500

ON TWO DISTINCT OCCASIONS OUR 2010 PRIUS BRAKES APPEARED TO DISENGAGE WITH THE CAR CONTINUING FORWARD WITHOUT SLOWING. THIS OCCURRED REGARDLESS OF HOW HARD THE BRAKE PEDAL WAS PUSHED. THIS IS NOT RELATED TO THE ACCELERATOR PEDAL. IN EACH INSTANCE, OUR LOCAL TOYOTA DEALER WAS CONTACTED AND THEY INSISTED THERE WAS NO PROBLEM. *TR

Mileage: 5,000

ON DECEMBER 18, 2009 AT 4:40 PM IN THE STILL-LIGHT LATE AFTERNOON WE STRUCK A DEER IN THE ROAD WITH OUR 2010 TOYOTA PRIUS. THE CAR WAS LESS THAN ONE MONTH OLD AND STILL ON ITS FIRST TANK OF GAS. WE HAVE LIVED IN A SEMI-RURAL AREA OF NEW JERSEY FOR OVER 30 YEARS. DEER IN THE ROAD IS A FREQUENT OCCURRENCE HERE. BUT IN 30 YEARS, THOUGH WE HAVE HAD COUNTLESS SUDDEN COLLISION-AVOIDANCE STOPS IN OTHER CARS INCLUDING OUR 2007 PRIUS, WE HAVE NEVER HAD AN ACCIDENT. ON DECEMBER 18, TRAVELING AT APPROXIMATELY 35 MPH ON DRY, BUT AGED ASPHALT WE OBSERVED A DEER ENTERING THE ROAD. TO AVOID A COLLISION, THE BRAKES WERE JAMMED ON. BUT THIS TIME THE BRAKING EVENT SEEMED TO OCCUR IN SLOW MOTION. IT WAS THE FIRST SUDDEN STOP REQUIRED OF THIS NEW CAR. EVENTUALLY THE ABS SYSTEM ENGAGED AND THE CAR CAME TO A STOP, BUT ONLY AFTER STRIKING THE DEER WITH SUCH FORCE THAT THE CAR SUSTAINED $2500 WORTH OF FRONT END DAMAGE. LIGHTS, THE BUMPER AND FRONT PANELS NEEDED TO BE REPLACED. THE AIRBAGS DID NOT DEPLOY. POLICE AND INSURANCE REPORTS WERE FILED. TOYOTA HAS RECENTLY ACKNOWLEDGED A SOFTWARE-BASED DELAY OF ONE SECOND IN TRANSFERRING BRAKING FROM THE ELECTRONIC REGENERATIVE SYSTEM TO THE HYDRAULIC BRAKES. AT 35 MPH, THAT IS AN EXTRA 51 FEET TRAVELED IN THAT ONE SECOND BEFORE THE HYDRAULIC BRAKES ENGAGE. THAT 51 FEET WOULD HAVE PROVIDED MORE THAN ENOUGH DISTANCE TO AVOID THE COLLISION. UNTIL THIS UNSAFE CONDITION IS RESOLVED, WE HAVE TAKEN OUR 2010 PRIUS OFF THE ROAD. *TR

Mileage: 280

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT THE BRAKES FAILED WHILE DRIVING APPROXIMATELY 25 MPH ON A NORMAL ROAD SURFACE. THERE WAS MINIMAL HESITATION WHEN THE BRAKE PEDAL WAS ENGAGED. THE FAILURE MILEAGE WAS 1,200 AND THE CURRENT MILEAGE WAS 9,700.

Mileage: 1,200

BRAKES DROPPED OUT COMPLETELY ON SEVERAL OCCASIONS WHILE DRIVING OVER A WET METAL ROAD PLATE, AND WHILE GOING OVER VERY BUMPY TERRAIN. *TR

Mileage: 350

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHEN DRIVING VARIOUS SPEEDS AND TRYING TO DEPRESS THE BRAKE PEDAL, SHE NOTICED THAT THE BRAKES FAILED TO RESPOND. SHE WOULD APPLY PRESSURE TO THE BRAKE PEDAL AND THEY WOULD LOCK FOR A FEW SECONDS. SHE NOTICED THAT THE FAILURE OCCURRED 5 TO 6 TIMES. SHE TOOK THE VEHICLE TO THE DEALER AND THEY WERE UNABLE TO DUPLICATE OR DIAGNOSE THE FAILURE. THE DEALER ALSO STATED THAT THE VEHICLE WAS DESIGNED TO HAVE THE BRAKING SYSTEM LOCK FOR 3 SECONDS WHEN THEY ARE ENGAGED FORCEFULLY; AFTERWARDS THE DRIVER HAD PRESS THE PEDAL AGAIN TO RELEASE THE LOCKED POSITION. SHE HAD NOT SPOKEN WITH THE MANUFACTURER TO-DATE. THE VEHICLE HAD NOT BEEN REPAIRED WHEN THE COMPLAINT WAS FILED. THE CURRENT MILEAGE WAS APPROXIMATELY 4,600. THE FAILURE MILEAGE WAS APPROXIMATELY 1,500.

Mileage: 1,500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING OVER A ROUGH SURFACE, THE BRAKES FAILED TO STOP THE VEHICLE. HE STATED THAT THE ANTI-SKID ACTIVATED WHILE DRIVING ON THAT TYPE OF SURFACE. THE FAILURE OCCURRED 100% OF THE TIME ON ROADS WITH A ROUGH SURFACE. THE DEALER TOLD HIM THAT THERE WAS NOTHING WRONG WITH THE VEHICLE. HE HAD NOT SPOKEN WITH THE MANUFACTURER TO-DATE. THE VEHICLE HAD NOT BEEN REPAIRED AT THE TIME OF THE COMPLAINT. THE CURRENT MILEAGE WAS 13,202. THE FAILURE MILEAGE WAS APPROXIMATELY 600.

Mileage: 600

PRIUS 2010. BRAKE PROBLEM. I WAS APPLYING THE BRAKES AND THE CAR WAS SLOWING DOWN THEN AS I DROVE OVER A BUMP THE BRAKES STOPPED WORKING AND THE CAR GAINED SPEED UNTIL THE BRAKES WORKED AGAIN. THIS OCCURRED A FEW TIMES BEFORE. TOYOTA HAS RECALLED PRIUS 2010 IN JAPAN FOR THIS PROBLEM. THEY NEED TO DO A RECALL HERE IN THE US. *TR

Mileage: 5,432

I HAVE A 2010 PRIUS. WE HAVE HAD THE PROBLEM WITH THE BRAKES WHEN WE GO OVER A BUMP. IN ADDITION, IF I AM DRIVING IN CRUISE CONTROL AND HAVE TO PUT MY FOOT ON THE BRAKES, THERE IS A BRIEF FEELING OF ACCELERATION SO INSTEAD I HAVE GOTTEN USED TO TURNING OFF THE CRUISE CONTROL BEFORE PUTTING MY FOOT ON THE BRAKES THEREBY DELAYING BRAKING FOR A BRIEF MOMENT. *TR

I WAS STOPPED AT A TRAFFIC LIGHT. THE STREET WAS UPHILL. MY 2010 PRIUS BEGAN TO ROLL BACK, ALTHOUGH I WAS STEPPING ON THE BRAKE. THIS CONTINUED FOR SEVERAL SECONDS, WHILE I TRIED TO PRESS HARD ON THE BRAKES (THEY WERE NOT RESPONSIVE). LUCKILY, THERE WAS NO CAR BEHIND ME, OTHERWISE, A CRASH WOULD HAVE ENSUED. ROAD CONDITIONS WERE WET AND SOMEWHAT SLIPPERY AT THAT TIME. THIS WAS MY FIRST EXPERIENCE WITH THIS BRAKE FAILURE, WHICH LASTED FOR A FEW SECONDS. I HAVE NOT HAD A CHANCE TO CONTACT THE DEALER YET. *TR

Mileage: 6,423

APPROXIMATELY FIVE TIMES WHILE DRIVING MY 2010 TOYOTA PRIUS I HAVE EXPERIENCED PROBLEMS WITH STOPPING WHEN ONE OF MY TIRES EITHER IS ON A MANHOLE COVER OR ON UNEVEN ROAD(ONE TIRE IN A POTHOLE). WHEN THIS OCCURS I AM USUALLY GOING APPROXIMATELY 30 MPH. I APPLY THE BRAKE SLOWLY TO START TO SLOW DOWN FOR A STOP SIGN. MY RIGHT FRONT TIRE ROLLS OVER A MANHOLE COVER AND WHILE MY FOOT IS STILL ON THE BRAKE MY CAR ACCELERATES, LUNGING FORWARD. THIS LASTS FOR 1-2 SECONDS WHEN I HAVE NO CONTROL OVER THE VEHICLE. AFTER THIS 1-2 SECONDS MY BRAKES STOP THE VEHICLE. THE ENTIRE TIME MY FOOT HAS BEEN ON THE BRAKE. I KNOW THAT IF A CAR WAS IN FRONT OF ME AT THE TIME, I WOULD HAVE REAR-ENDED IT. EVERY TIME THIS HAS OCCURRED MY TRACTION CONTROL LIGHT GOES ON. I HAVE HAD MY CAR TO THE DEALER 3 TIMES WITH THE SAME COMPLAINT. THEY EVEN TOOK THE CAR OUT FOR A DRIVE WITH ME AND OF COURSE WE COULD NEVER RECREATE WHAT HAS HAPPENED TO ME. I WAS NEVER TOLD THAT OTHER PEOPLE WERE EXPERIENCING THE SAME PROBLEMS. HOWEVER, IN TALKING TO PEOPLE AT THE DEALERSHIP, THEY SAID IT MAY BE THE TRACTION CONTROL BECAUSE IT IS SUPPOSED TO MAKE YOUR TIRES SPIN SLOWER IF YOU LOOSE TRACTION. IT SEEMS AS IF IT DOES THE OPPOSITE AND SPEEDS THE TIRE UP. I ASKED IF THERE WAS ANY WAY THEY COULD CHECK MY TRACTION CONTROL SYSTEM TO MAKE SURE IT WAS WORKING PROPERLY, BUT WAS TOLD THERE IS NO WAY TO CHECK IT. I AM NOT SURE IF ANYONE HAS THOUGHT ABOUT THE TRACTION CONTROL SYSTEM. IT SEEMS LIKE EVERYONE IS POINTING FINGERS TO THE BRAKING SYSTEM. IT MIGHT BE WORTHWHILE TO CHECK INTO THE TRACTION CONTROL AS WELL. IT SEEMS LIKE A SHORT AMOUNT OF TIME TO NOT BE IN CONTROL. BUT FOR THAT 1-2 SECONDS MY HEART ALWAYS DROPS BECAUSE I HAVE NO CONTROL OVER MY VEHICLE. *TR

Mileage: 500

THE BRAKES WERE A PROBLEM IN MY PRIUS 2010 FROM BEGINNING. IT WOULD ACCELERATE ON BRAKING. HAPPENED 3 TIMES. I HAD NO FLOOR MATS AT THAT TIME IN MY CAR. I TOOK IT FOR MY 1ST OIL CHANGE TO KOONS TOYOTA, ANNAPOLIS IN OCT LAST YR AND COMPLAINED ABOUT IT. AT THAT TIME, I HAD PUT MATS. THEY BLAMED IT ON MATS. THEY TEST DROVE AND SAID ITS FINE. TOLD ME TO BRING IT BACK IF PROBLEM PERSISTS. I KEPT DRIVING AND THIS LAST MONTH'S SNOW MADE IT ALL APPRANT AGAIN. WOULD NOT BRAKE BUT ACCELERATE ON SNOW, HAPPENED 4 TIMES ON ONE TRIP. I AM NOT DRIVING IT ANYMORE ON SNOW DAYS. RELYING ON HONDA ODYESSY- MUCH MORE STABLE. ITS SURPRISING, TOYOTA PRIUS 2010 WAS LAST TO BE RECALLED WITH SO MANY COMPLAINTS ON BOARD. *TR

Mileage: 500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 5 MPH INTO A PARKING SPACE WITH THE BRAKE PEDAL ENGAGED, THE VEHICLE FAILED TO SLOW DOWN AND CRASHED INTO A SIDEWALK. THE FRONT FENDER WAS DAMAGED; HOWEVER, THE CONTACT WAS ABLE TO DRIVE THE VEHICLE TO HIS RESIDENCE. THE CONTACT ALSO COMPLAINED TO THE DEALER REGARDING THE BRAKE FAILURE AND WAS TOLD THAT NOTHING WAS WRONG WITH THE BRAKES. THE INSURANCE COMPANY ADVISED THE CONTACT TO CALL THE TOYOTA MANUFACTURER AND FILE A CLAIM FOR WHICH SHE IS CURRENTLY WAITING FOR A RESPONSE. THE FAILURE MILEAGE WAS 3,000.

Mileage: 3,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING 15 MPH WITH THE BRAKE PEDAL ENGAGED IT FAILED TO RESPOND WHICH FORCED HER TO APPLY PRESSURE TO THE BRAKE PEDAL IN ORDER TO STOP THE VEHICLE. THE VEHICLE ALSO LUNGED FORWARD WHEN THE CONTACT DROVE OVER A POTHOLE. THE DEALER STATED THAT SINCE THE VEHICLE WAS BRAND NEW IT WAS ADJUSTING TO HER DRIVING PATTERN. THE FAILURE HAS OCCURRED APPROXIMATELY 6 TIMES. NO REPAIRS WERE MADE TO THE VEHICLE. THE FAILURE MILEAGE WAS 1000. THE CURRENT MILEAGE WAS 6292.

Mileage: 1,000

(OWNER OF PRIUS), I BOUGHT PRIUS 2010 MODEL IN AUG'2009 FROM KOONS ARLINGTON TOYOTA IN ARLINGTON, VA, US. SINCE THEN I DO NOT HAVE ANY ISSUES UP UNTIL TODAY. WHEN I CAM OUT TODAY TO DRIVE ON 66 HIGHWAY AND ALSO TO GET ON TO WEST OX ROAD, I HAD RECALL COMPLAINTS WHAT WAS LISTED OCCURRED TO ME. 1) ABOVE 60 MILES SPEED WHEN I WAS TRAVELING AND TIME TO APPLY THE BRAKES, I COULDN'T STOP THE CAR IMMEDIATELY, IT TOOK 2-3 MIN. TO GET TO STOP AFTER TRAVELING SOME DISTANCE THOUGH I DIDN'T SEE HOW FAR I HAD TO TRAVEL TOO. 2) OTHER INCIDENT HAPPEN ON SAME TRAVEL TIME ON WEST OX ROAD,I WAS APPROACHING A TRAFFIC LIGHT NEAR FOX MILL AT SPEED AROUND 12 - 15 MILES / HOUR - I COULDN'T STOP THE CAR, IT WAS ACCELERATING ONLY INSPITE ME APPLYING THE BRAKES. *TR

I BOUGHT A 2010 TOYOTA PRIUS IN AUGUST 2009. IN ADDITION TO THE BRAKING PROBLEM I DESCRIBE BELOW, I ALSO HAVE AN ACCELERATION PROBLEM. I QUESTIONED MY TOYOTA DEALERSHIP ABOUT THE FACT THAT WHEN I AM BRAKING OVER METAL (MANHOLE COVER, REPAIR LIDS, ETC.) THE CAR IS QUICKLY PUSHED FORWARD ABOUT 3 TO 4 FEET. SEVERAL OTHER NEW OWNERS SAID THEY HAD THE SAME EXPERIENCE. THE DEALER SAID THAT WHEN THEY CHECKED WITH TOYOTA, THEY WERE TOLD THAT THE HYBRID BATTERY MOTOR USED A MAGNET AND THE BRAKING SYSTEM TO RECHARGE IT. AND THAT THE PUSH FORWARD WAS FROM THE REPELLING ACTION OF THE MAGNET. MY SISTERS OWN A 2008 CAMRY HYBRID AND 2008 PRIUS, AND THEY BOTH HAVE EXPERIENCED THIS PROPELLING MOTION WHEN ON METAL SURFACES ALSO. THE PROBLEM WITH THE DEALERS ADVICE TO "NOT BRAKE ON METAL SURFACES" DOESN'T HELP IN SNOW OR WATER SITUATIONS. WILL THIS PROBLEM BE FIXED BY THE ABS BRAKES SOFTWARE CHANGE?? I ALSO HAD SEVERAL INSTANCES WHERE THE BRAKE PEDAL WOULD SUDDENLY GO TO THE FLOOR AND PRODUCE VERY LITTLE BRAKING POWER. THE PROBLEM WAS INTERMITTENT AND THE DEALER SAID THEY FOUND NOTHING WRONG. SINCE THEN I HAVE HAD SEVERAL OTHER INSTANCES WHERE THE BRAKES DIDN'T WORK WELL AND I ALMOST HIT THE CAR IN FRONT OF ME. SO I NOW DRIVE WITH A LOT OF DISTANCE BETWEEN ME AND OTHER CARS BECAUSE I DON'T KNOW WHEN IT WILL HAPPEN. I SHOULD SAY THAT I'VE HAD OTHER CARS WITH ABS BRAKES AND THIS CAR DOES NOT FEEL LIKE I HAVE THEM. ON SLIPPERY SURFACES (SNOW, WATER) THE BRAKES DO NOT PUMP THEMSELVES LIKE OTHER ABS CARS THAT I HAVE DRIVEN. I HAVE DROPPED IT INTO LOW GEAR TO HELP BRAKE. THESE THINGS HAVE HAPPENED MANY TIMES SINCE I BOUGHT THE CAR. I HAVE BEEN VERY CAREFUL AND NOT HAD AN ACCIDENT YET. *TR

Mileage: 30

I HAVE EXPERIENCED TWO PROBLEMS WITH MY 2010 PRIUS V THAT I PURCHASED LAST SUMMER. FIRST, ON APPROXIMATELY 6-8 OCCASIONS, MY CAR HAS NOT STOPPED IMMEDIATELY WHEN I APPLIED THE BRAKES. THIS OCCURRED 3-4 TIMES WHEN I APPROACHED A STOP SIGN ON A ROAD BETWEEN MY HOME AND CHURCH. THE SURFACE OF THE ROAD APPROACHING THE STOP SIGN HAD BEEN SCRAPED AND ROUGHENED TO GET READY FOR RE-PAVING. AS I APPROACHED AND APPLIED THE BRAKES, MY CAR SURGED FORWARD FOR ABOUT A SECOND, BUT I WAS ABLE TO STOP. THIS HAPPENED 3-4 TIMES IN OTHER LOCATIONS, AS WELL. IT IS AN INCREDIBLY STRANGE AND HELPLESS SENSATION. THIS PROBLEM WAS PROBABLY NOTED BETWEEN LATE AUGUST 2009 AND LAST OCCURRED ABOUT THREE WEEKS AGO. EVEN THOUGH I WAS FORCED TO PUT AN EXACT DATE IN THE FIELD BELOW, I HAVE NO IDEA NOW WHEN THE EXACT DATES WERE IN WHICH THIS BRAKING ISSUE OCCURRED. WHEN I BROUGHT MY CAR TO THE DEALER FOR ITS FIRST OIL CHANGE, I DESCRIBED WHAT HAD HAPPENED BUT WAS TOLD THIS HAD NOTHING TO DO WITH THE OTHER PROBLEMS THAT HAD BEEN IDENTIFIED IN THE MEDIA AS TO OTHER CARS. THE PERSON AT THE SERVICE DESK JUST KIND OF IGNORED MY COMMENTS AND WAS NOT INTERESTED IN HEARING ABOUT THE BRAKING ISSUE FURTHER. THE SECOND PROBLEM I HAVE EXPERIENCED IS THAT WHEN USING THE CRUISE CONTROL ACCELERATE FUNCTION THE CAR JUST CONTINUED ACCELERATING EVEN THOUGH I WAS NO LONGER TURNING THE CRUISE FUNCTION LEVER. THIS STOPPED WHEN I APPLIED MY BRAKES. IT DID CAUSE ME TO STOP USING THE CRUISE CONTROL DURING THAT TRIP THOUGH. THE CRUISE CONTROL ISSUE PROBABLY OCCURRED LAST AUGUST IN I-5. *TR

Mileage: 1,000

WHEN SLOWING DOWN, SUCH AS TO MAKE A TURN OR TO CHANGE TO REVERSE, WHEN THE BRAKE WAS APPLIED, THERE WAS SOME ACCELERATION ALSO OCCURRING. THIS HAS HAPPENED 4-5 TIMES IN PAST FEW MONTHS, THE LAST TIME WAS ABOUT 7 OR TEN DAYS AGO. THE CAR DID BRAKE WITH NO FURTHER PROBLEM AND NO HARM OCCURRED AND THERE WAS NO DAMAGE. *TR

Mileage: 3,600

TOYOTA PRIUS 2010 GOING DOWNHILL PUSHING THE BRAKES TO STOP BEFORE RED LIGHT IN THE UNEVEN PAVEMENT THE CAR SUDDENLY LOSES ALL FOURS WHEELS BRAKES FOR A FRACTION OF A SECOND . WHEN THE WHEEL THAT PASSED THE ROAD BUMP THE BRAKES COME BACK AGAIN AND STOP THE CAR. IT HAPPENED THREE TIME IN THE LAST 4 MONTHS THAT I HAVE THE CAR. SAME CAR DEFECT IN THE FUEL SYSTEM. AFTER LEAVING IN THE GARAGE FOR 5 CONSECUTIVE DAYS, THE CAR DID NOT STARTED AUTOMATICALLY AS IT SHOULD DO. IT MADE FOR SEVERAL SECONDS A METAL TO METAL NOISE BEFORE THE ENGINE FINALLY STARTED TO FUNTIONING AS USUAL. SEAMS LIKE THE ENGINE STARVED OF FUEL. SAME CAR EXCESSIVE VIBRATION ON THE DRIVER SIDE DOOR PANEL WHEN THE RADIO OR MUSIC IS ON. IT STOPS WHEN I HOLD WITH MY KNEE THA PANEL. *TR

Mileage: 1,000

REGARDING OUR 2010 TOYOTA PRIUS PURCHASED IN AUGUST OF 2009, WE HAVE EXPERIENCED BRAKING ISSUES IN TWO INSTANCES: 1) WHEN BRAKING FOR A STOP SIGN AND HIT A BUMP IN THE ROAD THE CAR SURGES FORWARD 2) WHEN BRAKING ON ICY SURFACE THE BRAKES SEEM TO LOCK UP CAUSING CONTROL PROBLEMS. IN SPEAKING WITH THE DEALER THEY INDICATED THAT THEY HAD KNOW KNOWLEDGE OF A FIX TO THE ISSUE AND AFTER SPEAKING WITH TOYOTA THEY GAVE US A RENTAL THAT WAS SUPPOSED TO HAVE COME OUT OF PRODUCTION AFTER THE SOFTWARE WAS FIXED TO CORRECT THE BRAKE PROBLEMS. WHILE DRIVING THE RENTAL WE EXPERIENCED THE SAME ISSUE WHILE BRAKING OVER A BUMP IN THE ROAD.

Mileage: 3,000

PURCHASED 2010 PRIUS V APPORX. MID-JUNE. DRVING IN FIRST WK OF OWNERSHIP, OBSERVED BREAK PROBLEM. VEHCILE HAD APPROX. 50 MILES ON. DRINING 25-30 MPH ON STRAIGHT, SMOOTH, BLACKTOP ROAD ON A SUNNY, NICE DAY. A CAR BACKED OUT OF A 45 DEG PARKING SPOT WITHOUT WARNING, I HAD TO SLAMP ON BREAKS AT THE SAME TIME THE GAS/ELECTRIC MOTORS WERE SWITCHING. THE BREAK PEDAL LOST FEELING THAT IT HAD PRESSURE UNTIL I PUSHED THE BREAK PEDAL ANOTHER 2 INCHES MORE TO FEEL PRESSURE AND THAT THE BREAKS WERE GRABBING. I DID NOT REPORT THIS IN JUNE, DUE TO I THOUGHT I WAS IMAGINING THINGS DUE TO THE EMERGENCY STOP TOOK MY ATTENTION TO SOME DEGREE. I WAS A SERVICE MANAGER FOR CHRYSLER YEARS AGO, SO I AM VERY FAMILIAR WITH VEHCILE MECHANICAL SYSTEMS AND I HAVE PURCHSED APPROXIMATELY 25 NEW VEHCILES IN MY LIFETIME.

Mileage: 50

I WAS DRIVING DOWN A HILL THAT HAS A SLIGHTLY UNEVEN SURFACE AND WAS A BIT ICY AND WHEN APPLYING THE BRAKE IN MY PRIUS, MY CAR SPED UP SLIGHTLY WHEN IT HIT THE UNEVEN SURFACE AND SEEMINGLY JUMPED FASTER BEFORE THE BRAKES KICKED IN AND BROUGHT MY CAR TO A STOP. THIS HAS HAPPENED TWICE ON DIFFERENT ROADS, BOTH OF THE ROAD SURFACES BEING SLIGHTLY UNEVEN. NOTHING HAS BEEN DONE TO CORRECT THIS PROBLEM, WHEN I CALLED TOYOTA THEY TOLD ME THAT THERE WAS NOTHING THEY COULD DO.

Mileage: 5,100

2010 TOYOTA PRIUS BRAKING PROBLEM. GOING DOWN STEEP LONG HILL, WITH ROUGH SURFACE, WE ENCOUNTER THIS PROBLEM 1 OR 2 TIMES A WEEK, REPEATEDLY. IT FEELS LIKE WE ARE "FLYING" DOWN THE HILL BRIEFLY, OUT OF CONTROL, WHILE IN FACT, WE ARE GOING APPROXIMATELY 15 MILES PER HOUR AND ARE APPLYING THE BRAKE IN THE SAME MANNER AS ALWAYS. THIS IS VERY SCARY, AS THE HILL HAS A HUGE DEEP RAVINE ON ONE SIDE, AND A HIGH CLIFF ON THE OTHER SIDE, AND A CLIFF OFF A BEACH INTO THE SALT WATER AT THE BOTTOM OF THE HILL. THE ROAD IS VERY NARROW, WITH 2 VEHICLES GOING UP AND DOWN ONLY ABLE TO PASS AT SELECTED POSITIONS, OTHERWISE, ONE LANE TRAFFIC. PLEASE DEMAND THAT TOYOTA RECALL THIS VEHICLE, AND REPLACE THE SOFTWARE THAT CONTROLS THE BRAKING SYSTEM. I UNDERSTAND FROM THE NEWS THAT THEY HAVE THIS FIX IN PLACE ON NEW CARS SINCE LAST MONTH. PLEASE RECALL THIS VEHICLE ASAP! MY VEHICLE NUMBER IS [XXX] PRODUCTION DATE 6/09. THANK YOU. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

Mileage: 7,500

DEAR SIR, I WOULD LIKE TO BRING A PROBLEM TO YOUR ATTENTION. I PURCHASED A 2010 TOYOTA PRIUS, VIN# [XXX] , IN JUNE 2009. THE PROBLEM IS NOT THE BRAKE PROBLEM BEING DESCRIBED IN THE PREDICTED RECALL. MY PROBLEM IS AS FOLLOWS: WHEN THE VEHICLE IS DRIVEN AND THEN PARKED (SHUT DOWN ) AND STARTED AGAIN, THE BRAKES WILL LOCK UP AT THE SLIGHTEST PRESSURE ON THE BRAKE PEDAL. WHEN STARTING OUT OF A PARKING SPOT, EITHER FORWARD OR BACKWARD, THE SLIGHTEST TOUCH OF THE BRAKE PEDAL WILL LOCK THE BRAKES AND STAND THE CAR ON IT'S NOSE. I HAVE FOUND THAT IF THE PROBLEM OCCURS, I CAN EITHER STOP THE VEHICLE ( SHUT OFF WITH THE START BUTTON ) OR HOLD DOWN HARD ON THE PEDAL FOR 10 TO 20 SECONDS, THE BRAKES PERFORM NORMALLY. I RETURNED THE VEHICLE TO THE DEALER IN AUGUST 2009 FOR AN OIL CHANGE AND REPORTED THE PROBLEM, BUT THE SERVICE DEPARTMENT DISMISSED THE COMPLAINT AS 'COULD NOT DUPLICATE THE COMPLAINT' EVEN THOUGH I EXPLAINED THAT IT DID NOT OCCUR EVERY TIME. I CAN NOT CONNECT THE PROBLEM WITH ANY PARTICULAR SITUATION. IT CAN OCCUR WITH NORMAL DRIVING OR IN ECO MODE. I FEEL IT IS AN ANNOYANCE MORE THAN ANYTHING ELSE, BUT COULD POSE A PROBLEM IN CERTAIN CIRCUMSTANCES. I WILL GLADLY ANSWER ANY QUESTIONS YOU MAY HAVE REGARDING THIS PROBLEM. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

Mileage: 2,500

MY 2010 TOYOTA PRIUS BRAKES FAIL BRIEFLY (1-2 SECONDS) WHEN BRAKING AT LOW SPEEDS AND DRIVING OVER A POTHOLE, SPEED BUMP, OR MANHOLE, ESPECIALLY ON WET ROADS. BRAKES RESUME APPROPRIATELY WHEN BRAKE PEDAL IS PRESSED AGAIN OR PRESSED IN HARDER. I FIRST NOTICED THIS DURING THE FIRST MONTH I OWNED THE CAR (AUGUST 2009). THIS HAPPENS TO ME ABOUT ONCE EVERY TWO WEEKS. NOTHING SO FAR HAS BEEN DONE TO CORRECT THE PROBLEM.

Mileage: 500

I HAVE EXPERIENCE A PROBLEM WITH MY 2010 PRIUS, WHILE TURNING RIGHT ON TO ANOTHER STREET TRAVELING AROUND 20 MPH, I PRESS ON THE BRAKES TO DOWN SLIGHTLY WHEN SUDDENLY THE CAR ACCELERATED VERY FAST, I PRESSED ON BRAKE HARDER AND IT STOP THIS ACCELERATION. LATER I HAD 2 PROBLEMS AT THE SAME INTERSECTION, # 1: I TURNED RIGHT INTO THE STREET TO MY RIGHT AND I NOTICED MY BRAKES HESITATED FOR ABOUT 1 OR 2 SECONDS, I THEN CONTINUED WITHOUT A PROBLEM. # 2: I TURNED RIGHT AT THE SAME INTERSECTION WITH THE BRAKES ON TO SLOW ME DOWN, WHEN THE CAR SEEMED TO ACCELERATE SLIGHTLY WITHOUT MY FOOT ON THE GAS PEDAL. THERE ARE MANY SMALL POT HOLES AT THE INTERSECTION .

Mileage: 180

THE BRAKES ON MY 2010 TOYOTA PRIUS AT TIMES DO NOT ENGAGE IMMEDIATELY. IT MAY BE NECESSARY AT THOSE TIMES TO DEPRESS THE BRAKE PEDAL BY 1/3RD BEFORE BRAKING BEGINS. THERE IS A SIMILAR DELAY WHEN BRAKING IS USED TO TURN OFF CRUISE CONTROL. NEITHER OF THESE HAVE CAUSED AN ACCIDENT, BUT IN BOTH CASES THERE IS SOME RISK.

BRAKES ON 2010 TOYOTA PRIUS FAIL WHEN THE VEHICLE ENCOUNTERS A ROUGH ROAD SURFACE WHEN BRAKING.(FOUR INCIDENTS) I SUSPECT MANY OF THESE COMPLAINTS ARE GOING UNREPORTED BECAUSE DEALER SERVICE DEPARTMENTS ARE TELLING CUSTOMERS THE VEHICLES ARE BRAKING AS DESIGNED.

Mileage: 3,100

I HAVE ON AT LEAST 4 OCCASIONS EXPERIENCED THE BRAKING ISSUE (THAT IS BEING INVESTIGATED) ON MY 2010 PRIUS. IT HAPPENS WHEN I GO OVER RAILROAD TRACKS, OR HIT A POTHOLE. PLEASE ADD MY COMPLAINT TO THE OTHERS THAT REPORT SIMILAR PROBLEMS.

Mileage: 2,300

DRIVING A 2010 PRIUS COMING TO A STOPLIGHT. WENT OVER A RAISED PORTION OF ROAD RESULTING IN A VERY NOTICEABLE BUMP. CAR SEEMED TO LURCH FORWARD AND BRAKING DIDN'T SEEM TO WORK FOR A SHORT TIME. THOUGHT I WAS GOING TO GO THROUGH THE RED LIGHT INTO CROSS TRAFFIC BUT BRAKES TOOK HOLD AND I WAS ABLE TO STOP.

Mileage: 10,025

MY WIFE'S 2010 PRIUS OCCASIONALLY SURGES FORWARD WHEN THE BRAKES ARE APPLIED. THIS TYPICALLY OCCURS WHEN DRIVING DOWN HILL AND OVER BUMPS. IT HAPPENS ABOUT 1 TIME PER 14 DAYS. THE SURGE IS ONLY FOR A SPLIT SECOND. CONTROL OF THE CAR HAS NOT BEEN LOST YET. NOTHING HAS BEEN DONE TO FIX THE PROBLEM

Mileage: 1,000

2010 TOYOTA PRIUS LOSES BRAKE RESPONSE COMPLETELY AFTER HITTING ANY MEDIUM SIZED OR LARGER BUMP. HAPPENS AT LEAST TWICE A WEEK AND HAS RESULTED IN SLIDING AND HITTING A CURB ONCE. CAR IS UNSAFE TO DRIVE. TOOK CAR TO TOYOTA DEALER AND WAS TOLD "THERE IS NO FIX FOR THIS ISSUE AT THIS TIME" I WAS GIVEN THE TOYOTA CUSTOMER EXPERIENCE PHONE NUMBER AND WHEN I CALLED I WAS GREETED WITH A RECORDED VOICE SAYING "WE CANNOT TAKE YOUR CALL AT THIS TIME" "IF YOU NEED TO SPEAK TO A REPRESENTATIVE CALL BACK LATER" AND THEN HUNG UP ON. *CN

Mileage: 2,800

1. EVENT: NORMAL CITY DRIVING (I.E., CAR IN DRIVE AND CRUISE CONTROL OFF) 2. THE FAILURE: PRESS ON BRAKE AND FEEL SOFTNESS INSTEAD OF FIRMNESS; MUST PRESS MUCH HARDER ON BRAKE THAN TYPICALLY REQUIRED TO BRING CAR TO STOP IN SAME DISTANCE. FAILURE OCCURS SPORADICALLY DURING COURSE OF REGULAR DRIVING. HAVE NOT ASSOCIATED FAILURE WITH TRAVELING OVER ROUGH SURFACES. 3. CONTACTED TOYOTA DEALER AND WAS TOLD THAT WE WOULD RECEIVE LETTER IN MAIL INSTRUCTING US ON WHAT TO DO, BECAUSE NO CORRECTION HAS BEEN DEVELOPED YET FOR THIS PROBLEM IN EXISTING CARS. *CN

Mileage: 2,000

I HAVE A 2010 PRIUS III THAT WAS PURCHASED ON DEC 23, 2009. I EXPERIENCED A MOMENTARY LOSS (APPROX 0.5-1 SEC) OF BRAKING POWER WHEN I WAS DRIVING OVER A ROAD WITH SOME BUMPS. ESSENTIALLY, THE BRAKES COMPLETELY CUT OUT, BUT CAME BACK WHILE I WAS HOLDING BACK THE BRAKE PEDAL. MY MILEAGE AT THE TIME WAS APPROX 4000 MILES. SO FAR, THIS HAS NOT REPEATED. ANOTHER ISSUE IS INCONSISTENT BRAKING. HOLDING THE BRAKE PEDAL DOWN WITH CONSTANT FORCE (MY JUDGMENT) WILL CAUSE THE CAR TO SLOW ABRUPTLY WHILE AT LOW SPEEDS(<10 MPH). THIS IS A VERY DIFFERENT FEELING FROM THE REGENERATIVE BRAKING PORTION (FEELS LIKE LITTLE/NO BRAKING AT ALL) AND BRAKING AT HIGHER SPEEDS (>10 MPH). *CN

Mileage: 4,000

I SUFFERED A TEMPORARY LOSS OF BRAKING WHILE APPROACHING A TOLL BOOTH ON THE NEW JERSEY GARDEN STATE PARKWAY. THE LOSS OCCURED IMMEDIATELY AFTER HITTING A LARGE BUMP AS I WAS SLOWING TO PAY THE TOLL. SOON AFTER BRAKING RETURNED AND I WAS ABLE TO CONTINUE SLOWING AND DID NOT STRIKE ANYTHING. *CN

Mileage: 4,200

WHILE DRIVING EASTBOUND ON MOORPARK STREET, APPROACHING DIXIE CANYON AVENUE, I BRAKED IN PREPARATION TO MAKE A RIGHT HAND TURN, AND THE BRAKES RELEASED WHEN I HIT A SMALL POT HOLE. THE BRAKES RE-ENGAGED APPROXIMATELY 1-2 SECONDS LATER. *CN

Mileage: 1,360

MY 2010 TOYOTA PRIUS IS HAVING BRAKING PROBLEMS WHEN I APPLY THE BRAKES WHILE/AFTER HITTING A BUMP OR POTHOLE. FOR EXAMPLE, WHEN I APPROACH A STOP SIGN AND APPLY THE BRAKES WHILE HITTING A BUMP, THE CAR LURCHES FORWARD BRIEFLY (1-2 SECONDS) BEFORE THE BRAKES KICK IN. THE BRAKES WORK FINE WHEN NO BUMP IS ENCOUNTERED DURING BRAKING. I CAN REPEAT THIS FAILURE CONSISTENTLY WITH A BUMP IN MY NEIGHBORHOOD. NO FIX YET. *CN

Mileage: 4,500

WHILE DRIVING OUR 2010 TOYOTA PRIUS ON A SNOWY AND BUMPY ROAD, MY WIFE PRESSED ON THE BRAKE PEDAL AND IT TOOK A SECOND OR TWO FOR THE BRAKES TO WORK. THIS HAPPENED SEVERAL TIMES. SHE THOUGHT IT WAS DUE TO LACK OF TRACTION IN THE SNOW, BUT BASED ON ALL OF THE OTHER BRAKING COMPLAINTS ABOUT THE PRIUS, SHE FELT IT WAS NOT DUE TO SNOW, BUT RATHER A PROBLEM WITH THE BRAKING SYSTEM *CN

Mileage: 3,700

TOYOTA PRIUS 2010 - IT HAS HAPPENED TO ME, MULTIPLE TIMES THIS WINTER, DURING ICY ROADS THAT WHEN I TRY TO BRAKE THE CAR ACCELERATES AS IF SOMEONE HIT THE CAR FROM BEHIND. THEN, THE CAR EVENTUALLY STOPS. I HAVE HAD THE CAR FOR 6 MONTHS AND I LIVE IN THE MIDWEST AND IT HAS ONLY HAPPENED THIS WINTER WHEN ROADS ARE ICY OR SLUSHY. *CN

Mileage: 4,000

TEMPORARY LOSS OF CONTROL OF MY VEHICLE AS I WAS GOING OVER A SPEED BUMP. I FELT LIKE MY BRAKES HAD FAILED. *CN

Mileage: 2,500

THE BRAKES ON OUR 2010 PRIUS HAVE REPEATEDLY HAD PROBLEMS. MOST HAVE OCCURED WITH MY WIFE DRIVING THE VEHICLE. SHE HAD TOLD ME SEVERAL MONTHS AGO ABOUT THE CAR FEELING LIKE IT WAS "SLIDING" OR THE BRAKES NOT BEING VERY EFFECTIVE FOR A SHORT TIME. I PASSED THIS OFF AS THE THE CAR BEING DIFFERENT THAN OTHER CARS SINCE IT WAS A HYBRID. THEN ABOUT 3 WEEKS AGO I HAD IT HAPPEN TO ME. WHILE TURNING AND GOING OVER A SMALL HUMP IN A DRIVEWAY ABOUT 15 MPH, THE BRAKES JUST SEEMED TO RELEASE FOR ABOUT A HALF SECOND AND I ALMOST RAN INTO AN IRON GATE. I CANNOT DESCRIBE THE OTHER EVENTS THAT MY WIFE HAS HAD IN DETAIL BECAUSE OCCURRED OVER THE LAST SEVERAL MONTHS AND SHE DOES NOT REMEMBER THE SPECIFIC DETAILS BESIDES THAT THEY HAPPENED OVER UNEVEN PAVEMENT WHILE APPLYING THE BRAKES. *CN

Mileage: 6,537

SHORTLY AFTER DATE OF PURCHASE OF MY PRIUS I HAVE REPORTED TO TOYOTA SERVICE DEPARTMENT ON NUMEROUS OCCASIONS THAT THE BRAKE SYSTEM FEELS FAULTY: THE BRAKES OFTEN LOCK OR DO NOT FUNCTION AT ALL WHEN THE CAR IS AT A SLIGHT INCLINE EITHER GOING UP OR DOWN A ROAD. THERE IS ALSO A CONSTANT HIGH PITCHED NOISE EMANATING FROM THE WHEELS. TOYOTA HAS CLAIMED THAT IT IS A "CHARACTERISTIC FEATURE" OF THE CAR AND HAVE BEEN UNABLE TO LOCATE THE ISSUE. TOYOTA HAS REVIEWED THIS ISSUE AT A MINIMUM OR 5 OR 6 TIMES AND HAVE NOT DONE ANY REPAIRS TO MY CAR AT ALL. THE CAR WAS PURCHASED AND IS ALWAYS TAKEN TO KEYES TOYOTA IN VAN NUYS, CA. I AM SUBMITTING A DATE BELOW WITH THIS FORM AS REQUESTED, BUT THE ISSUE HAS BEEN ONGOING FOR MANY MONTHS SINCE JUNE 2009. I SPECIFICALLY EXPRESSED MY CONCERN TO TOYOTA BECAUSE I OFTEN HAVE MY INFANT AND TODDLER NIECE AND NEPHEW IN THE CAR WITH ME. TOYOTA CLAIMED THERE IS NO REASON FOR CONCERN AND THAT THEY "COULD FIND NOTHING WRONG WITH THE CAR". *CN

DRIVING ON SLIPPERY ROADS, BUT NOT UNPASSABLE, MY 2010 PRIUS BRAKING SYSTEM FAILED TO PROVIDE ANY ASSISTANCE IN PREVENTION OF SLIPPING INTO A PARKED VEHICLE IN MY LANE, RESULTING IN 2900+ DOLLARS OF DAMAGE, PLUS, SINCE THE BODY SHOP WAS UNABLE TO PROPERLY INSPECT THE DAMAGE WITHOUT TAKING THE CAR APART. I WAS FOUND AT FAULT FOR THIS ACCIDENT, FOR WHICH I FEAR MY INSURANCE RATES WILL RISE. I AM A SAFE DRIVER. NEVER HAVING HAD AN ACCIDENT BEFORE. I NEW THE CAR WAS NOT RESPONDING TO THE BRAKE PEDAL AS IT SHOULD, AND THAT WAS BEFORE THIS RECALL EVER CAME TO LIGHT. THE ACCIDENT HAPPENED ON JAN. 22, 2010. *CN

Mileage: 10,000

MY 2010 TOYOTA PRIUS WAS DELIVERED ON DECEMBER 15. I HAVE OBSERVED THAT THE BRAKE PEDAL DROPS ABRUPTLY AT TIMES WHILE SLOWING. I AM NOT SURE YET IF IT IS AFTER HITTING A BUMP OR JUST THE TRANSITION OF SPEEDS. IT IS VERY SUDDEN. IT MIGHT RESULT IN LOSS OF CONTROL IF ONE IS NOT AWARE OF THIS. *CN

Mileage: 100

I WAS DRIVING FROM L.A. TO ROSEVILLE CA ON I-5 NORTH IN MY NEW 2010 TOYOTA PRIUS. BECAUSE I WAS DRIVING AT NIGHT IT WASN'T VERY BUSY AND I HAD THE CRUISE CONTROL ON AT 65 MPH. IN THE DISTANCE I SAW SOME CARS PUSHING THEIR BRAKE PEDALS SO I WANTED TO BRAKE AS WELL A LITTLE TO 1) DEACTIVATE THE CRUISE CONTROL, 2) REDUCE SPEED. PUSHING IT VERY GENTLY, ABSOLUTELY NOTHING HAPPENED. THIS SCARED ME AND I PUSHED HARDER, THEN MY 2010 PRIUS STARTED BRAKING WAY MORE AGGRESSIVELY. I NOTICED ALONG THE WAY AND ALSO AFTER THIS THAT THIS BEHAVIOR IS CONSEQUENT. WHILE DRIVING ON THE HIGHWAY, I CANNOT USE THE BRAKE PEDAL TO RELEASE THE CRUISE CONTROL AND DIMINISH SPEED, BECAUSE NOTHING HAPPENS WHEN YOU PUSH THE BRAKE PEDAL GENTLY, IT TAKES A LITTLE TIME BEFORE IT REACTS. I FIND THIS DISTURBING, BECAUSE IN MY 2000 FORD CROWN VICTORY, EVEN THE VERY SLIGHTEST TOUCH ON THE BRAKE PEDAL ALREADY CAUSES THE CRUISE CONTROL TO TURN OFF AND VERY LIGHTLY DIMINISH SPEED. IN THE PRIUS IN ORDER TO ACHIEVE THIS I HAVE TO PRESS THE BRAKE PEDAL HARD, THEN AFTER SOME DELAY IT STARTS BRAKING FAST. IN THE BEGINNING I THOUGHT THIS IS NORMAL FOR THE PRIUS, BUT I FIND IT QUITE DISTURBING AND SOMETIMES SCARING. HENCE, I MUST TAKE WAY MORE DISTANCE TO CARS AHEAD OF MY ON THE HIGHWAY, BECAUSE I CANNOT BRAKE AS FAST AND STOP AS SOON AS THE OTHER CARS CAN. HONESTLY, IT IS VERY SCARY AND IT MAKES MY FEEL UNSAFE WHILE ON THE HIGHWAY WITH THE PRIUS. I AM DRIVING MY CROWN VICTORIA WHEN I AM DRIVING ON THE HIGHWAY NOW A DAYS. *TW *TR

Mileage: 1,300

ALL THREE DRIVERS OF OUR 2010 PRIUS HAVE REPEATEDLY EXPERIENCED THE FOLLOWING BRAKING PROBLEM: IF YOU DRIVE OVER A BUMP, POT HOLE OR MANHOLE COVER WHILE BRAKING NORMALLY AT SPEEDS UNDER 25 MPH, THE BRAKES FEEL AS IF THEY INSTANTANEOUSLY DISENGAGE FOR ABOUT 1 SECOND. NORMAL BRAKING SOON RETURNS, BUT THERE IS A DANGEROUS INCREASE IN BREAKING DISTANCE WHEN YOU NEED IT MOST. WE HAVE IDENTIFIED CERTAIN ROAD LOCATIONS IN OUR AREA WHERE THIS PROBLEM IS REPEATABLE EVEN UNDER DRY ROAD CONDITIONS. THIS PROBLEM HAS RESULTED IN A FEW CLOSE CALLS, BUT SO FAR, NO ACCIDENTS. HOWEVER, I AM ABSOLUTELY CONVINCED THAT A DEFECT SUCH AS THIS WILL RESULT IN SOME DRIVERS HAVING ACCIDENTS. *TW *TR

Mileage: 1,000

EXPERIENCED LOSS OF BRAKING WHILE DECELERATING ON A DOWN HILL SLOPE WITH RAMP FROM I-55 NORTH TO BAYLESS IN ST. LOUIS WHEN HITTING A POT HOLE IN THE 2010 PRIUS HYBRID. THE POTHOLE HAS SINCE BEEN FIXED AND HAVE NOT EXPERIENCED ANY PROBLEMS SINCE. *TW *TR

Mileage: 6,500

WE HAVE TWICE EXPERIENCED A BRAKE CUT-OUT, WHERE WE ARE COMING TO A STOP SIGN WITH FOOT ON BRAKE AND HIT A BUMP/POT HOLE AND THE CAR LURCHES AHEAD AS THOUGH WE HAVE TEMPORARILY REMOVED OUR FOOT FROM THE BRAKE EVEN THOUGH WE HAVEN'T. *TW

Mileage: 5,200

I'VE BEEN HEARING IN THE NEWS ABOUT THE POTENTIAL OF A BRAKING ISSUE WITH THE 2010 TOYOTA PRIUS. JUST WANTED TO LET YOU KNOW THAT I DEFINITELY NOTICED THIS ISSUE IN MY NEW PRIUS. APPROXIMATELY ONCE A MONTH, WHEN I'M BRAKING OVER AN UNEVEN OR SLIPPERY SURFACE, ESPECIALLY IF IT IS ONLY ONE SIDE OF THE CAR GOING OVER THE SLIPPERY SURFACE, WHILE I'M BRAKING, THERE IS A MOMENT LASTING LESS THAN A SECOND WHERE IT FEELS LIKE THE BRAKES DISENGAGE. (CAUSES YOUR HEART TO SKIP A BEAT WHEN IT HAPPENS.) I ALSO NOTICED A SEPARATE QUIRK THE OTHER DAY THAT I WANT TO PASS ON TO YOU. I'M NOT SURE IF THIS WAS DONE DELIBERATELY BY TOYOTA OR WHETHER THIS IS A DEFECT, HOWEVER, I BELIEVE MY SPEEDOMETER IS CALIBRATED SO THAT IT READS A SPEED THAT IS 2 MPH FASTER THAN MY ACTUAL SPEED. I NOTICED THIS WHEN I WENT ON A TRIP AND USED MY WIFE'S TOM TOM, WHICH USES ITS GPS SIGNAL TO MEASURE THE SPEED OF THE CAR. THE TOM TOM IS USUALLY SPOT ON IN MY WIFE'S ACURA. IN THE PRIUS, IT WAS INDICATING THAT MY TRUE SPEED WAS 2 MPH LESS THAN WHAT MY SPEEDOMETER INDICATED. I'M WONDERING IF THIS WASN'T SOMEHOW INTENTIONALLY DONE BY TOYOTA TO GET BETTER PERCEIVED GAS MILEAGE BY THE DRIVER. HAVING THE CAR GET OVER THE 50 MPG THRESHOLD IS A BIG MARKETING ADVANTAGE FOR THEM. GETTING OVER THIS THRESHOLD WOULD BE EASIER IF THE ACTUAL SPEED OF THE CAR WAS LESS THAN THE PERCEIVED SPEED. *TW

BRAKES EITHER SLIP OR CAR LEAPS FORWARD WHEN BRAKES ARE ENGAGED AND CAR GOES OVER ROUGH OR SLIPPERY PAVEMENT OR A POTHOLE *TW

Mileage: 5,500

I HAVE EXPERIENCED THE MOMENTARY LOSS OF BRAKES ON MY 2010 PRIUS NUMEROUS TIMES UNDER VARIOUS DRIVING CONDITIONS. ALL OF THE INSTANCES OCCURRED AT FAIRLY LOW SPEEDS AND I CONSIDERED IT MORE OF A NUISANCE OR " NATURE OF THE BEAST " THAN ANYTHING ELSE. ONCE WAS ON A LEVEL, DRY, RESIDENTIAL ROAD APPROACHING A STOP SIGN. ANOTHER HAS HAPPENED A NUMBER OF TIMES AT THE SAME SPOT (A RIGHT HAND TURN ONTO A RESIDENTIAL STREET - MY ROUTE HOME FROM WORK ). AND A COUPLE OF TIMES ON SNOW COVERED ROADS ( I ACTUALLY THOUGHT THOSE WERE VERY SHORT SKIDS BEFORE THE ABS ENGAGED) *TW

Mileage: 2,100

LOSS OF BRAKING POWER (WEAK BRAKING) WHEN ROLLING OVER BUMPS, POT HOLES AND EVEN CRACKS IN THE PAVEMENT. *TW

1.I PURCHASED THIS 2010 PRIUS IN AUGUST 2010. I HAVE EXPERIENCED UNANTICIPATED ACCELERATION TWO TIMES SINCE THE LAST (INITIAL) SERVICE. ONCE WITH MY HUSBAND DRIVING ON ROUTE 17 AND THE OTHER TIME WHILE I WAS DRIVING ON A LOCAL ROAD. 2.AS I STATED IN MY SERVICE PAPERWORK WHEN THE CAR WAS FIRST SERVICED, THERE IS A PROBLEM WITH THE BRAKES. THEY DO NOT STOP ON UNEVEN ROAD SURFACES, SUCH AS POT HOLES, BUMPS, ETC. YOUR SERVICE DEPARTMENT SAID THAT THIS IS CAUSED BY THE ABS AND IT IS ?NORMAL?. OBVIOUSLY THERE IS STILL A PROBLEM. PLEASE ADVISE WHAT WILL BE DONE TO CORRECT THIS ISSUE. 3.WHEN START THE ENGINE FIRST THING IN THE MORNING (OR WHEN THE CAR HAS NOT BEEN DRIVEN FOR A WHILE) OFTEN, BUT NOT ALWAYS, IT MAKES A GRINDING NOISE WHEN STARTING *TW

Mileage: 1,000

BRAKES SEEM TO FAIL WHEN BRAKING OVER A DEPRESSION IN THE ROAD OR WHEN BRAKING ON ICY PATCHES OF THE ROAD. THIS HAS HAPPENED AT LEAST FIVE TIMES IN DECEMBER, 2009 AND JANUARY/FEBRUARY 2010. PRIUS *TW

Mileage: 4,500

REGARDING MY 2010 TOYOTA PRIUS I PURCHASED IN NOVEMBER 2009: SOMETIMES ON ICY, SNOWY STREETS THERE HAS BEEN A DELAY AFTER I PRESS THE BRAKE PEDAL BEFORE THE ANTI-LOCK BRAKES ACTIVATE. THE CAR HAS JUST SKIDDED AT FIRST. THIS DELAY IN BRAKING HAS ALSO OCCURRED WHEN I HAVE APPLIED THE BRAKES ON BUMPY SURFACES. TOTAL INCIDENTS HAVE BEEN FIVE--THREE ON ICE, TWO ON BUMPY SURFACES. *TW *TR

Mileage: 1,000

TOYOTA PRIUS 2010. MY CAR HAS A BRAKING PROBLEM , THE REAR WHEELS SEEM LIKE THEY ARE NOT HOLDING. IF YOU HIT A BUMP AND THE WHEELS ARE IN THE AIR =THEN GRABS THE GROUND . I THOUGHT THAT I WAS HITTING POT HOLES CAUSING THIS BUT THERE WAS NONE TO SEE . *TW

Mileage: 4,420

EXPERIENCED LACK OF BRAKING WHEN MY 2010 PRIUS WAS GOING OVER BUMPY TERRAIN. I WAS PRESSING ON THE BRAKE AS I WAS APPROACHING AN INTERSECTION, AND NO BRAKING WAS OCCURRING UNTIL THE CAR REACHED SMOOTH GROUND AGAIN. INSTEAD IT FELT LIKE I WAS SKIDDING, AND THE BRAKE PEDAL JUST VIBRATED BACK AT ME. I CAN CONFIRM THAT THE PROBLEM BEING REPORTED IN THE NEWS MEDIA IN JAPAN, IS IN FACT, A REAL PROBLEM. WHEN I HEARD ABOUT IT ON THE NEWS, I REALIZED, HEY, I EXPERIENCED THAT. I WOULD ENCOURAGE A RECALL. IT IS A LEGITIMATE PROBLEM THAT DOES INDEED SOMETIMES OCCUR IN THE SITUATION I DESCRIBED. IT IS SCARY. *TW

Mileage: 2,700

I HAVE A 2010 PRIUS AND HAVE EXPERIENCED SURGES WHEN COMING TO A STOP ON SNOW OR ICE. I HAVE ALMOST HIT THE CAR IN FRONT OF ME SEVERAL TIMES. THIS IS DANGEROUS AND SHOULD BE FIXED *TW

Mileage: 4,000

TOYOTA PRIUS ANTILOCK BRAKES STOP BRAKING AFTER A DISTURBANCE SUCH AS A SLIPPERY SPOT, OR POTHOLE. THIS OCCURS QUITE FREQUENTLY AND IS LIKELY TO CAUSE AN ACCIDENT. *CN

Mileage: 4,000

I BOUGHT MY 2010 TOYOTA PRIUS IN THE SUMMER OF 2009 AND ON THE 2ND DAY OF OWNERSHIP WHEN I WAS BRAKING TO MAKE A LEFT TURN ON TO MY STREET WHERE I LIVE THE CAR INCREASED IN SPEED UP WHEN I WAS MAKING MY TURN WHILE BRAKING OVER A BUMPY SURFACE IN THE ROAD.YHIS CONDITION ONLY HAPPENS WHEN THE ROADWAY HAS IMPERFECTIONS AND IS ROUGH.I HAD TOLD THE DEALER ABOUT THIS CONDITON AND THEY SAID IT WAS THE SENSORS AND IT WAS A NORMAL CONDITON WHICH I THINK IS DANGEROUS BECAUSE THIS HAPPEND WHEN I WAS BEHIND ANOTHER CAR AND CAME CLOSE TO HITTING THE CAR IN FRONT OF ME. *CN

Mileage: 75

MY 2010 TOYOTA PRIUS HAS BEEN HAVING BRAKING ISSUES. IT HAS HAPPENED 4 TIMES THAT WHEN I AM STOPPING AND HIT A BUMP THE BRAKES SEEM TO NOT ENGAGE. *CN

Mileage: 300

HAVE EXPERIENCED THE 2010 PRIUS BRAKE CONDITION SEVERAL TIMES *CN

TOYOTA PRIUS 2010 - BREAKS FAILED TO STOP CAR ON 3 SEPARATE OCCASIONS DURING THE PAST MONTH. EACH OCCURRENCE WAS AT AN INTERSECTION (ROADS EACH TIME WERE PLOWED FOR SNOW, BUT STILL A BIT SLICK). THE CAR EVENTUALLY STOPPED DUE TO THE VEHICLE SLOWING DOWN, BUT STILL NOT BREAKING. ONE OCCURRENCE WAS AT AN INTERSECTION WHERE THE CAR DID NOT BREAK AT A RED LIGHT AND I QUICKLY TURNED THE WHEEL TO THE RIGHT TO PROCEED ONTO A SIDE ROAD. I HAVE CALLED THE SERVICE DEPARTMENT AT THE TOYOTA DEALERSHIP (WHERE THE CAR WAS PURCHASED LAST FALL), AND HAVE NOT RECEIVED A RESPONSE. *CN

Mileage: 7,800

BRAKES ARE UNRESPONSIVE AT TIMES, IT JERKS DURING SLOW AND STEADY APPLICATION OF BRAKES ON ROUGH OR SLICK ROAD SURFACES. *CN

Mileage: 50

MY TOYOTA PRIUS HAS THE PROBLEM THAT HAS BEEN REPORTED IN THE NEWS. THE VEHICLE HAS BRAKE/STABILITY CONTROL ISSUES AS SOON AS ONE OF THE WHEELS LEAVE THE SUFACE OF THE ROAD. THE ANTI-LOCK "SYSTEM" SEEMS TO BE TOO AGGRESSIVE AND THEREBY IS DANGEROUS. THERE IS NOTHING THAT THE DRIVER CAN DO TO AVOID THIS. IT IS A TRACTION-CONTROL/BRAKE ISSUE. ALSO, REAR VISION IS ABOUT AS BAD AS LOOKING OUT THE REAR OF THE OSCAR MAYER WEINER MOBILE. THE SIDE MIRRORS NEED MORE REAR VISION. *CN

Mileage: 3,500

MOMENTARY BRAKE LOSS. 2010 PRIUS, MFG. DATE 12/09. PURCHASE DATE 2/1/10. LOW SPEED SLOWING DOWN WITH LIGHT BRAKING FOR STOP LIGHT. HAPPENED OVER A MAN HOLE COVER (I THINK). WHEN IT FELT LIKE THE BRAKES QUITE MOMENTARLY. *CN

Mileage: 220

WHILE DRIVING ON 2/5/10 IN SNOWY CONDITIONS AT ABOUT 15 MPH, I SLID THROUGH A STOP LIGHT IN MY 2010 PRIUS. I WAS DRIVING CAUTIOUSLY, APPLIED MY BRAKES EARLY, KNOWING THE LIGHT MIGHT CHANGE. IT CHANGED TO YELLOW AND I HAD NO BRAKES AND SLID INTO THE INTERSECTION AS THE LIGHT TURNED RED. I HAVE HAD ANTI-LOCK BRAKES IN MY LAST TWO CARS AND HAVE HAD MY ABS ENGAGE PREVIOUSLY ON MY 2010 PRIUS. DURING THIS EVENT, NO BRAKING OF ANY SORT TOOK PLACE EVEN THOUGH I HAD THE BRAKE PEDAL DEPRESSED. FORTUNATELY, I WAS NOT HIT BY OTHER CARS IN THE INTERSECTION. I HAVE NOT HAD THE PROBLEM EXAMINED YET, BUT WILL BE TAKING MY PRIUS TO THE DEALER. *CN

Mileage: 1,210

I OWN A 2010 PRIUS. THE DAY AFTER THE PURCHASE, THE BRAKES WOULD GRAB WHEN IN REVERSE AS BRAKES WERE APPLIED. I RETURNED TO THE DEALER WHO SAID THEY COULD FIND NOTHING WRONG AND WAS PERHARS DUE TO A LITTLE RUST ON THE ROTORS AND AND TO RETURN IN PROBLEM RECURRED. THE GRABBING AND JERKING CONTINUED WHILE BRAKING IN REVERSE AT LOW SPEED AND I AGAIN RETURNED TO DEALER. THIS TIME THEY SAID IT COULD BE DUE TO INTERACTION BETWEEN THE MECHANICAL BRAKE AND THE THE REGENERATIVE BRAKE BUT HAD NO IMPROVEMENTS TO OFFER. THE PROBLEM CONTINUS TO DATE. IT DOES NOT HAPPEN WHEN GOING FORWARD . HOWEVER, I THOUGHT YOU MIGHT BE INTERESTED AS IT MAY INDICATE A GENERAL SOFTWARE ERROR IFOR CONTROLLING THE INTERACTION BETWEEN BRAKING MODES. *CN

Mileage: 10

I STEPPED ON BREAK PADEL ON MY 2010 TOYOTA PRIUS ON A BUMPPY UNEVEN ROAD BUT THE CAR DIDN'T STOP PROPERLY AND SLIPPED A FEW FEET INSTEAD. *CN

I HAVE A 2010 TOYOTA PRIUS; PURCHASED NEW ON 3 JAN., 2010. I NOW HAVE ABOUT 4400 MILES. RECENTLY IN THE NEWS I'VE HEARD LOSS OF BRAKING COMPLAINTS. MY COMPLAINT IS THE OPPOSITE. SOMETIMES WHEN TRAVELING VERY SLOWLY BACKWARDS OR VERY RARELY SLOWLY FORWARD AND I PRESS LIGHTLY ON THE BRAKES THEY GRAB AS THO I PRESSED HARD FOR AN EMERGENCY STOP. THIS HAS HAPPENED ABOUT 10 TIMES. THIS HAS YET TO OCCUR WHEN TRAVELING AT SPEEDS ABOVE ABOUT 5 MPH. THIS OCCURS USUALLY WHEN BACKING AND USUALLY WHEN THE CAR IS COLD. IF IT HAPPENS IT USUALLY HAPPENS MULTIPLE TIMES IN JUST ONE ATTEMPT TO BACK OUT OF A PARKING SPOT. *CN

Mileage: 2,000

I HAVE A 2010 TOYOTA PRIUS AND HAVE EXPERIENCED THE BRAKING PROBLEM. WHEN BRAKING WITH THE FOOT OFF OF THE GAS PEDAL, THE CAR WILL LUNGE FORWARD WITH ACCELERATION. IT WILL STOP WHEN I HIT THE BRAKES HARDER. THIS IS HAPPENING ON DRY PAVEMENT. THIS HAS HAPPENED ON 3 SEPERATE OCCASSIONS. *CN

Mileage: 2,000

I EXPERIENCE A LOSS OF BRAKES AT LEAST TWO OR THREE TIMES A DAY WITH MY 2010 PRIUS. THIS HAPPENS EVERYTIME I PRESS ON THE BRAKE AND HIT A BUMP IN THE ROAD. I LIVE IN NEW ORLEANS AND OUR ROADS ARE NOTORIOUSLY BUMPY SO I LOOSE MY BRAKES OFTEN. THIS HAS BEEN HAPPENING SINCE I PURCHASED THE VEHICLE BACK IN NOVEMBER. THE DEALER REFUSED TO DO ANTHING ABOUT IT, SAYING THAT IT WAS ACTING HOW IT WAS DESIGNED. I HAVE NEVER OWNED A VEHICLE THAT LOOSES IT BRAKES WHEN THE CAR HITS A BUMP. *CN

Mileage: 1,000

TEMPORARY BRAKE FAILURE WHEN BRAKING OVER POTHOLES OR BRAKING IN A TURN *CN

Mileage: 3,800

THIS IS NOT THE SAME 2010 PRIUS BRAKE PROBLEM BEING REPORTED REGARDING TRANSIENT BRAKE FAILURE. WHILE WAITING IN GEAR AT A TRAFFIC SIGNAL WITH FOOT ON THE BRAKE PEDAL, THE PEDAL SLOWLY SINKS ALL THE WAY TO THE MECHANICAL STOP. HOWEVER, THE CAR DOES REMAIN STOPPED EVEN WHEN THE ACCELERATOR PEDAL IS BRIEFLY TAPPED. THE BEHAVIOR IS REPEATABLE AND CONSISTENT. PERSONALLY VERIFIED THAT THERE ARE NO EXTERNAL HYDRAULIC LEAKS. OBSERVED THE FLUID SURFACE IN THE BRAKE FLUID RESERVOIR WHILE AN ASSISTANT SANK THE BRAKE PEDAL. THE SURFACE REMAINED UNDISTURBED, INDICATING THAT THE MASTER HYDRAULIC PISTON IS NOT LEAKY. TOOK IT TO THE DEALER. THE SALES & SERVICE MANAGERS OBSERVED BUT RELUCTANTLY ADMITTED THE BEHAVIOR, TESTED IT ON THEIR COMPUTER AND DECLARED IT ACCEPTABLE. I TESTED A SECOND 2010 PRIUS ON THEIR LOT AND THE BEHAVIOR WAS IDENTICAL. CONSEQUENCES: HAVING DEALT WITH DEALERS BEFORE, WE ARE UNWILLING TO ACCEPT THE DEALER'S REASSURANCE FOR THIS SEEMINGLY UNSAFE BEHAVIOR, AND ARE NOW COMPELLED TO SET THE PARKING BRAKE AT EVERY WAITING STOP. *CN

Mileage: 200

I HAVE EXPERIENCED BRAKING PROBLEMS WITH MY 2010 PRIUS DURING THE FOLLOWING CIRCUMSTANCES, WHICH I HAVE MENTIONED TO MY HUSBAND AND MY COWORKERS WHEN IT HAPPENED. 1: ON MY WAY TO WORK THERE IS A STOP SIGN WHERE I NEED TO MAKE A LEFT TURN. JUST BEFORE THE STOP SIGN THE ROAD IS UNEVEN. WHEN I BRAKE THERE, I FEEL A JERK AND JUMP BEFORE THE CAR STOPS. 2: I WAS ON MY WAY TO WORK, ON 01/28/2010 WHEN IT WAS SNOWING LIGHTLY, THE VEHICLE SPEED MIGHT HAVE BEEN AT THE MOST 5-8 MILES/HOUR. I SAW THE LIGHT TURNING YELLOW FROM 50 FEET AHEAD AND I STARTED APPLYING THE BRAKE. THE ROAD HAD LITTLE SLOPE BUT THE VEHICLE WAS NOT ONLY SKIDDING, BUT ALSO NOT STOPPING AND I WAS PRAYING THAT IT WILL STOP BEFORE IT GOES INTO THE CROSS ROAD. I AM THE PRIMARY DRIVER FOR THIS VEHICLE AND I LOVE THIS CAR. BUT I HAVE EXPERIENCED FROM THE VERY BEGINNING THAT THE VEHICLE DOESN'T STOP QUICKLY WHEN I BRAKE, BUT ALWAYS THOUGHT THAT WAS PART OF HYBRID TECHNOLOGY AND MAY BE TO FORCE THE DRIVER MAINTAIN SOME SPACE FROM THE VEHICLE IN THE FRONT. *CN

I PURCHASED A 2010 PRIUS (WHICH WAS IN STOCK) ON JANUARY 8. AFTER HEARING ABOUT THE BRAKE DELAY PROBLEM, I REALIZED THAT I HAD HAD A SIMILAR PROBLEM. I WAS TRAVELING AT MEDIUM SPEED WHEN I FELT THE CAR DIP, THEN SHUDDER. I FELT THAT I HAD LOST CONTROL OF THE CAR. IT FELT LIKE IT WAS SLIDING (AS THOUGH ON ICE). NOW I REALIZE THAT I MUST HAVE PUT ON MY BRAKES, BUT THE CAR CONTINUED TO PROCEED. I HAD NOT NOTICED ANY PROBLEM IN THE ROAD, AND NO REASON TO EXPLAIN THE SHUDDERING. IT WAS ALL VERY BRIEF. I HAVE AN APPOINTMENT TO SEE THE MAINTENANCE PEOPLE AT TOYOTA GRAPEVINE, TEXAS, ON MONDAY, FEBRUARY 9. *CN

Mileage: 500

2010 TOYOTA PRIUS HYBRID BRAKE PROBLEM: PURCHASED NEW IN OCTOBER, 2009, MY PRIUS HAS EXPERIENCED MOMENTARY BRAKE FAILURE WHILE STOPPING UNDER CERTAIN CONDITIONS. SPECIFICALLY, WHEN I HIT A BUMP WHILE BRAKING SOMETIMES IT FEELS LIKE THE BRAKES MOMENTARILY RELEASE AND THE CAR LAUNCHES FORWARD. THIS HAS HAPPENED 6 TO 10 TIMES SINCE I PURCHSED THE CAR. I ALERTED THE DEALER (BERNARDI TOYOTA IN FRAMINGAHM, MA) ABOUT 3 - 4 WEEKS AGO, AND THEY WERE NOT AWARE OF THE PROBLEM. NO SOLUTION HAS BEEN OFFERED YET. *CN

Mileage: 3,000

COMING OUT OF A PARKING LOT DOWNHILL ... HIT A BUMP ... BRAKES FAILED AND ALMOST SIDESWIPED BY ONCOMING TRAFFIC. HIT THE BRAKES A SECOND TIME AND CAR STOPPED JUST IN TIME TO AVOID A COLLISION. THIS IS THE ONLY TIME WE HAVE HAD THIS HAPPEN ... BRAKES HAVE WORKED OK REST OF TIME. NOTHING DONE YET TO CORRECT THE "BUMP" DEFECT AT SLOW SPEEDS. *CN

Mileage: 7,000

THERE WAS A DELAY FROM THE TIME I APPLIED THE BRAKES IN MY 2010 PRIUS WHEN DRIVING ON SLIPPERY, SNOW COVERED ROADS UNTIL I COULD FEEL THEM START TO SLOW THE CAR. THE ABS SYSTEM ALSO SEEMED TO ACT MORE SLOWLY. I ALSO DROVE MY 1998 FORD EXPLORER ON THE SAME ROADS SOON AFTER DRIVING THE PRIUS. THE EXPLORER ABS SYSTEM REACTED MORE QUICKLY AND DEFINITELY STOPPED MORE QUICKLY THAN THE PRIUS. *CN

Mileage: 8,580

I DRIVE A 2010 TOYOTA PRIUS AND HAVE EXPERIENCED BRAKING PROBLEMS WHILE BRAKING AND GOING OVER BUMPS/ROUGH PAVEMENT. I HAVE 6000 MILES ON MY CAR AND HAVE HAD THIS HAPPEN ABOUT 5 TIMES. DURING ONE OCCASION, WHILE SLOWING FOR STOPPED TRAFFIC, I DROVE OVER A BUMP, AND I FELT THE BREAK PEDAL VIBRATE LIKE THE ANTILOCK BRAKES WERE BEING ACTIVATED, THEN A QUICK "RELEASE SENSATION", DURING WHICH I HAD NO BRAKES, LIKE I HIT A PATCH OF ICE. I WAS JUST ABLE TO AVOID HITTING THE CAR IN FRONT OF ME BY SWERVING INTO AN OPEN DRIVE WAY. I WAS ALSO WITH MY WIFE AS A PASSENGER IN THIS CAR AND SHE HAD A SIMILAR EVENT WHILE BRAKING AND HITTING A BUMP IN THE ROAD. THIS IS NOT ACCEPTIBLE. *TR

Mileage: 4,500

I LIVE IN THE PHOENIX, AZ AREA. WHILE DRIVING MY 2010 PRIUS, WHEN I GO OVER AN ABRUPT BUMP WITH BRAKES ENGAGED BRAKING COMPLETELY FAILS MOMENTARILY. FIRST FEW TIMES THIS HAPPENED I THOUGHT MAYBE MY FOOT HAD REDUCED PRESSURE ON THE PETAL DUE TO THE BUMP BUT LATER CONFIRMED THAT THIS IS NOT THE CASE. IT OCCURS ALMOST DAILY - EVERY TIME I GO OVER AN ABRUPT BUMP WITH BRAKES ENGAGED. I HAVE A DAILY DRIVE THAT TAKES ME OVER SOME SLIGHTLY ROUGH PAVEMENT AS I APPROACH A STOP LIGHT. NOTHING HAS BEEN DONE TO CORRECT THE PROBLEM - I AM JUST AWARE OF IT AND AM CAREFUL TO ACCOUNT FOR THAT OCCURRENCE AS I APPROACH THE LIGHT. *TR

Mileage: 150

I BOUGHT A 2010 PRIUS IN LATE DECEMBER AND ABOUT TWO WEEKS AGO, I WAS DRIVING ON A LOCAL STREET, WHICH HAD SOME POTHOLES ON IT. I COULD SEE A POTHOLE AHEAD OF ME. ANOTHER CAR WAS COMING FROM THE OPPOSITE DIRECTION, WHICH PROHIBITED ME FROM AVOIDING THE POTHOLE. I THEREFORE BRAKED SLOWLY AND CAME ALMOST TO A FULL STOP AS I WENT OVER THE POTHOLE. MY FOOT WAS ON THE BRAKE DURING THIS ENTIRE EPISODE, BUT AS I WENT OVER THE POTHOLE, THE CAR SUDDENLY ACCELERATED. ALTHOUGH I DID NOT HAVE AN ACCIDENT OR HIT ANYTHING, THE REACTION OF THE CAR WAS VERY UNUSUAL. SINCE THEN, THERE HAVE BEEN SOME OCCASIONS WHEN I HAVE BEEN AT A LIGHT OR STOP SIGN WITH MY FOOT ON THE BRAKE AND IT HAS FELT AS IF THE CAR WERE ABOUT TO MOVE AHEAD, DESPITE MY FOOT BEING ON THE BRAKE; IT HAS FELT LIKE I NEEDED TO APPLY MORE PRESSURE THAN NORMAL TO THE BRAKE IN ORDER FOR THE BRAKE MECHANISM TO WORK PROPERLY. *TR

Mileage: 1,200

ON WEDNESDAY, FEB. 5, 2010, DRIVING A 2010 PRIUS ON A MICHIGAN ROAD AT 25 MPH, SOME ICE OR FREEZE OVER, APPROXIMATELY 9:30AM. I APPROACHED THE STOP SIGN AND THERE WAS NO BRAKE ENGAGEMENT, NO SOUND OR FEEL OF AN ANTILOCK BRAKE SYSTEM . I COULDN'T STOP THE CAR, SO I HAD TO PROCEED THRU THE STOP INTERSECTION. THERE WASN'T AN ACCIDENT SINCE THERE WASN'T A CAR CROSSING THE INTERSECTION. *TR

Mileage: 10,500

PROBLEM IS ONSET OF ACCELERATION WHEN BRAKES APPLIED IN 2010 PRIUS 4, PURCHASED AT ANTWERPEN TOYOTA, CLARKSVILLE, MD IN AUGUST 2010. PROBLEM HAS BEEN DETECTED 2 TIMES, WITHOUT ACCIDENT, BUT WITH SIGNIFICANT INCREASE IN ANXIETY. BOTH INCIDENTS WERE APPROACHING A STOP SIGN, AND SEEMED TO BE RELATED TO CHANGE IN ACCELERATION DUE TO RAPID BRAKING. FIRST INCIDENT IN SEPTEMBER 2009 WAS CONSIDERED A 'DRIVER ISSUE' SINCE I HAD OWNED THE PRIUS ONLY 1 MONTH. HOWEVER, SECOND INCIDENT IN NOVEMBER 2009 WAS CLEARLY NOT A DRIVER ISSUE, AND WAS INITIATED THE SAME WAY--STOPPING AT A STOP SIGN AFTER DRIVING AT HIGHWAY SPEEDS FOR SOME TIME. NEITHER INCIDENT INVOLVED A TRAFFIC ACCIDENT. *TR

Mileage: 600

MOMENTARY LOSS OF BRAKING WHILE IN AT LOW SPEED (ABOUT 8 MPH) ON UNEVEN ROAD SURFACE OR WET CONDITIONS RESULTING IN A SURGE FORWARD. WHEN IN A TURN, MAINTAINING CONTROL OF THE VEHICLE CAN BE CHALLENGING. CONDITION IS REPLICABLE, I.E., I CAN REPRODUCE THE BRAKING LOSS/SURGE AT THE SAME PLACE IN THE SAME CONDITIONS, AT ANY TIME. *TR

Mileage: 7,200

WE PURCHASED NEW 2010 PRIUS AT THE END OF LAST SEPTEMBER IN 2009. BOTH OF US HAVE HAD THE EXPERIENCE OF "LOSING CONTROL" OF THE CAR WHILE BRAKING ON ICY ROADS. MY FIRST EXPERIENCE HAPPENED DURING OUR FIRST BIG SNOW FALL. I WAS APPROACHING THE ENTRANCE RAMP TO AN EXPRESS WAY AND HAD TO APPLY THE BREAKS WHEN A CAR INFRONT OF ME BEGAN TO SLOW DOWN AND SLIDE TO THE LEFT SIDE OF THE RAMP. AS I APPLIED THE BREAKS, THE CAR BEGAN A SERIES OF QUICK FORWARD JERKS ASSOCIATED WITH KNOCKING SOUNDS. I ALSO HEARD A SLIGHT CHANGE IN HOW THE ENGINE SOUNDED. FORTUNATELY, I ESCAPED A TRAFFIC ACCIDENT SINCE MY PRIUS DRIFTED TO THE RIGHT BEFORE CONTROL WAS REESTABLISHED. IT WAS FRIGHTENING. THIS IS THE FIRST CAR I HAVE OWNED THAT HAS AN ANTI LOCK BRAKING SYSTEM. I ASSUMED THAT IS WHY I EXPERIENCED THE LOSS OF CONTROL AND WHY IT FELT SO UNCOMFORTABLE. WHEN I TOLD THE DEALERSHIP ABOUT IT, I WAS ADVISED TO TAKE THE CAR TO AN OPEN AREA AND PRACTICE USING THE BRAKES IN ORDER TO GET USED TO IT. SINCE THEN, MY HUSBAND HAS HAD THE SAME EXPERIENCE WHILE TRYING TO STOP THE CAR ON ICY ROADS. HE TELLS ME THAT THE "JERKING" AND THE KNOCKING SOUND IS NOT PART OF A NORMAL ANTI LOCK BREAKING SYSTEM. THIS IS WHY I AM REPORTING OUR EXPERIENCE TO THE U.S. NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION. THANK YOU. *TR

Mileage: 850

2010 TOYOTA PRIUS - SOMETIMES WHEN BRAKING THE CAR HAS A POWER SURGE AND YOU START MOVING FASTER. *TR

BRAKING ON ROUGH SURFACE RESULTS IN CAR JUMPING FORWARD AND THEN EVENTUALLY STOPPING. *TR

Mileage: 4,210

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS HYBRID. WHILE DRIVING APPROXIMATELY 20- 25 MPH ON A SLIGHTLY SNOW COVERED ROAD SURFACE THERE WAS PRESSURE APPLIED TO THE BRAKE PEDAL, FOLLOWED BY AN UNINTENDED ACCELERATION. THE DRIVER CONTINUOUSLY APPLIED PRESSURE TO THE BRAKE PEDAL; HOWEVER, THE VEHICLE FAILED TO SLOW DOWN WHILE PROCEEDING THROUGH AN INTERSECTION. AN OPPOSING VEHICLE CRASHED INTO THE FRONT PASSENGER SIDE AND THERE WERE NO INJURIES. THE POLICE WAS CALLED TO THE SCENE. THE VEHICLE WAS COMPLETELY DESTROYED AND TOWED TO A COLLISION CENTER. THE VIN WAS UNAVAILABLE. THE CAUSE OF THE FAILURE HAS NOT BEEN DETERMINED AT THIS TIME. THE FAILURE MILEAGE WAS 7,700. UPDATED 03/12/10. *LJ THE CONSUMER STATED WHEN HE APPROACHED A STOP SIGN WITH ADEQUATE DISTANCE TO STOP, PRESSURE WAS APPLIED TO THE BRAKE PEDAL. WHEN THE VEHICLE WOULD NOT STOP, HE HAD TO PRESS HARDER TO GET THE VEHICLE TO STOP. UPDATED 07/13/10.*JB

Mileage: 7,700

WHEN APPLYING THE BRAKES ON MY 2010 PRIUS, THERE IS A SURGE IN THE CAR WHEN IT HIT A MANHOLE COVER (BUMP). THIS HAPPENED UNDER 20 MPH ON GENTLE BRAKE APPLICATION. UPON PUSHING ON THE PEDAL FURTHER, THE CAR RESUMED BRAKING AND STOPPED. THIS "SURGE" LASTED ONLY A FRACTION OF A SECOND BUT WAS VERY DISTURBING AND SHOULD NOT OCCUR. *TR

Mileage: 500

I HAVE A 2010 PRIUS PURCHASED IN LATE JULY 2009. I HAVE DEFINITELY HAD PROBLEMS WITH THE BRAKING SYSTEM IN WINTER WEATHER ON SLIPPERY SURFACES. WHEN BRAKING, IT FEELS LIKE THE ANTILOCK BRAKE SYSTEM FAILS AND THE WHEELS LOCK UP MOMENTARILY. I DON'T LET MY WIFE OR KIDS DRIVE THE CAR IN SLIPPERY CONDITIONS. THIS IS DEFINITELY AN ISSUE FOR ME AND I BELIEVE IT SHOULD BE INVESTIGATED AND PURSUED. I HAVE CONTACTED THE DEALER - ALDERMAN'S TOYOTA OF RUTLAND, VT ABOUT THE ISSUE. THEY ARE AWARE OF THE PROBLEM. *TR

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY BETWEEN 10 TO 20 MPH ON AN UNEVEN ROAD SURFACE; PROCEEDING TO A COMPLETE STOP AND APPLYING PRESSURE TO THE BRAKE PEDAL, WAS FOLLOWED BY A NO POWER RESPONSE. SUDDENLY, THE VEHICLE RESUMED NORMAL OPERATION WITHIN A FEW SECONDS. THE FAILURE CONTINUED TO OCCUR INTERMITTENTLY WHENEVER ENCOUNTERING AN UNEVEN ROAD SURFACE OR POTHOLE. THE VEHICLE HAS NOT BEEN INSPECTED FOR THE MALFUNCTION. THE FAILURE MILEAGE WAS 300. UPDATED 02/26/10 *BF THE CONSUMER STATED SHE WAS SATISFIED THAT THE COMPLAINT DESCRIBED THE PROBLEM SHE REPORTED. UPDATED 04/29/10.*JB

Mileage: 300

WE HAVE AN ONGOING PROBLEM WITH OUR 2010 PRIUS, PURCHASED IN 9/09. WHEN GOING OVER A DEPRESSION IN THE ROAD, OR A BUMP, WHEN BRAKES ARE PRESSED, WE FEEL LIKE THE CAR IS BUCKING/ACCELERATING. CLEARLY, IT'S REALLY THAT THE BRAKES AREN'T WORKING MOMENTARILY BUT IT'S FRIGHTENING. IF WE HAD TO STOP, WE COULDN'T. THIS HAPPENS EACH AND EVERY TIME IN THOSE CIRCUMSTANCES. *TR

Mileage: 10

I PURCHASED A 2010 TOYOTA PRIUS IN JUNE, 2009. I NOTICED THAT THE VEHICLE SEEMED TO LURCH FORWARD WHEN BRAKING - SPECIFICALLY WHEN THE ROAD MAY HAVE EVEN THE SLIGHTEST BUMP OR UNEVENNESS. WHEN THIS OCCURS, I AM NOT CERTAIN THAT THE CAR WILL STOP. THIS DOES NOT OCCUR DURING BREAKING ON SMOOTH SURFACES. I REPORTED THE PROBLEM TO THE TOYOTA DEALER IN NOV. AND RECEIVED THIS RESPONSE: WEDNESDAY, NOVEMBER 04, 2009 1:05 PM: I'M RESPONDING TO YOUR QUESTION ABOUT THE PRIUS BRAKING CONDITION. ONE THING TO KNOW ABOUT THE PRIUS BRAKING SYSTEM IS THAT WHEN THE BRAKES ARE APPLIED THERE IS A SIGNAL TO THE GENERATOR TO ENGAGE. THIS DOES 2 THINGS, HELPS REGENERATE THE HYBRID BATTERY AND ASSISTS IN BRAKING THE VEHICLE, AND THE NORMAL BRAKES ALSO APPLY TO ASSIST IN BRAKING. I DID HAVE ANOTHER PRIUS OWNER ASK ABOUT THIS ALSO, I HAD HIM COME OUT AND DROVE WITH HIM AND COULD NOT DUPLICATE THE STATED CONDITION. I THINK HE WAS PUSHING TO FAST AND HARD ON THE BRAKE PEDAL CAUSING THE LURCH. WHEN I DROVE HIS VEHICLE I DID TELL HIM I WAS TRYING TO BE VERY CONSCIOUS OF HOW MUCH PRESSURE I WAS APPLYING TO THE PEDAL. I DID NOTICE THE BRAKES ARE VERY RESPONSIVE TO PEDAL PRESSURE. BEFORE RESPONDING TO YOUR E-MAIL I DID CHECK ONLINE WITH TOYOTA TECHNICAL GROUP TO SEE IF THEY HAD ANY PERTAINING SERVICE BULLETINS PERTAINING TO YOUR QUESTION, THERE WERE NO APPLICABLE BULLETINS. I HOPE THIS HELPS ANSWER YOUR QUESTION. THANKS FOR CHOOSING SEEGER TOYOTA, TIM EVERS, SERVICE MANAGER THE PROBLEM HAS CONTINUED AND I'VE NOTICED IT OCCURS WHEN BRAKING ON SNOW PACKED ROADS -- I NEARLY REAR-ENDED THE VEHICLE IN FRONT OF ME WHEN MY CAR SEEMED TO LURCH FORWARD - I COULD NOT STOP - I HAD TO SWERVE INTO ANOTHER LANE TO AVOID COLLISION. I REPORTED THIS PROBLEM TO ANOTHER TOYOTA DEALER (WEISS TOYOTA IN ST. LOUIS, MO.) THEY DID NOT HAVE ANY RESPONSE. WHEN I CONTACTED THE SERVICE MANAGER AGAIN ON 2/4/10, I WAS TOLD THAT THEY HAD NOT HEARD ANYTHING ABOUT A PROBLEM WITH THE PRIUS FROM TOYOTA. *TR

Mileage: 4,000

MOMENTARY LOSS OF BRAKING WHEN ABS ACTIVATES CAUSES CAR TO TRAVEL AN UNEXPECTED 12 FEET. HAS HAPPENED 4 TIMES SINCE DEC 2009. HAPPENS WHEN SLOWING DOWN FOR STOP SIGN, OR MAKING LEFT OR RIGHT TURN IN TRAFFIC, WHEN THERE IS A SLIPPERY PATCH CAUSING ABS TO TRIGGER. *TR

Mileage: 800

2010 TOYOTA PRIUS PURCHASED IN OCTOBER 2009. WHEN BRAKING, CAR HITS A BUMP IN THE ROAD OR ON A ROUGH ROAD, BRAKES APPEAR TO FAIL FOR APPROXIMATELY 2-3 SECONDS. *TR

Mileage: 1,500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIAMTELY 20 MPH AND MAKING A LEFT OR RIGHT TURN WITH THE BRAKE PEDAL ENGAGED, FOR A FRACTION OF A SECOND. THE ANTI SKID LIGHT ILLUMINATED AND THE BRAKES FAILED TO SLOW THE VEHICLE DOWN. THE VEHICLE WAS TAKEN TO THE DEALER. THE FAILURE MILEAGE WAS 3,000. UPDATED 03/04/10. *LJ UPDATED 05/14/10.*JB

Mileage: 3,000

TOYOTA PRIUS 2010 MODEL: BRAKE LAG. I GATHER NHTSA IS CONSIDERING A RECALL. THIS IS TO FURTHER YOUR DATA. I TOOK MY 2010 PRIUS IN TO 355 TOYOTA, ROCKVILLE, IN NOVEMBER TO COMPLAIN ABOUT THE BRAKES DISENGAGING WHEN BEING APPLIED OVER ROUGH TERRAIN, LEADING TO A 4 - 6 FOOT JUMP FORWARD THEN RE-ENGAGEMENT OF THE BRAKES. I LODGED THIS CONCERN AS PART OF GETTING AN OIL CHANGE SERVICE, AND I HAVE THIS COMPLAINT IN WRITING ON THE DOCKET. THEY TOLD ME THE PROBLEM WAS JUST NORMAL ANTILOCK BRAKING. THE PROBLEM HAS OCCURRED MULTIPLE TIMES SINCE, CAUSING ABOUT A 4 - 6 FOOT JUMP BEFORE THE BRAKE REENGAGES. WITH ALL THE ICE WE HAVE HAD RECENTLY, I CAN NOW ASSURE MYSELF THAT THIS ISSUE IS NOT ABOUT THE ANTILOCK BRAKES, WHICH HAVE A TOTALLY DIFFERENT FEEL, AS THEY SHOULD. THE BRAKE DISENGAGEMENT ALMOST CAUSED AN ACCIDENT ON MONDAY THIS WEEK ON E STREET AS THE CAR HIT AN ICE PATCH AND THE BRAKE DISENGAGED MOMENTARILY. I THINK THE PRIUS IS A GREAT CAR, BUT, THIS PROBLEM IS DANGEROUS AND NEEDS TO BE FIXED. WHEN I CALLED 355 TOYOTA YESTERDAY WHEN IT BECAME EVIDENT THAT I WASN'T THE ONLY PERSON REPORTING THIS, THEY WERE VERY NICE BUT I AM NOT SURE THAT TOYOTA HAS PROVIDED THEM WITH A SOLUTION. *TR

Mileage: 1,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 10 MPH OVER A SPEED BUMP OR A POTHOLE WITH HER FEET ON THE BRAKE PEDAL THE VEHICLE LUNGED FORWARD AND ACCELERATED. THE DEALER STATED THAT THE VEHICLE WAS PERFORMING NORMALLY SINCE THE ELECTRICAL ENGINE WAS SWITCHING TO THE GASOLINE ENGINE. THE FAILURE MILEAGE WAS 6,000.

Mileage: 6,000

WHEN SLOWING DOWN, IF THE CAR HITS A POTHOLE OR BUMP IN THE ROAD, IT SEEMS TO ACCELERATE. AS SOON AS I PUT PRESSURE ON THE BRAKE, IT STOPS. IT ALMOST FEELS LIKE THE CAR JUMPS AHEAD FOR A BRIEF MOMENT. *TR

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 50 TO 55 MPH ON NORMAL ROAD CONDITIONS PRESSURE WAS APPLIED TO THE BRAKE PEDAL, FOLLOWED BY NO POWER RESPONSE FOR A SECOND. THE FAILURE OCCURRED INTERMITTENTLY. IN ADDITION, WHEN AFTER A COMPLETE STOP THE VEHICLE BEGAN SHAKING EXCESSIVELY. THE AUTHORIZED DEALER AND MANUFACTURER HAVE BEEN NOTIFIED OF THE MALFUNCTIONS. THE FAILURE MILEAGE WAS 400.

Mileage: 400

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 35 MPH IN RAINY WEATHER CONDITIONS, THE DRIVER ENCOUNTERED A POTHOLE IN THE ROADWAY AND THE ANTI-LOCK BRAKE SYSTEM ENGAGED. SUDDENLY, THE BRAKE PEDAL TRAVELED TO FLOOR WITHOUT RESISTANCE AND A NO POWER RESPONSE. THE VEHICLE SLOWED DOWN AFTER EXTREME AND CONTINUOUS FORCE WAS APPLIED TO THE BRAKE PEDAL. THE FAILURE OCCURRED WHEN THERE WAS INCLEMENT WEATHER CONDITIONS AND POTHOLES. THE VEHICLE HAS NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 1,000.

Mileage: 1,000

I OWN A 2010 TOYOTA PRIUS. WHILE BRAKING ON A SLICK OR ROUGH PATCH OF ROAD MY CAR WILL BRIEFLY SURGE AND THEN BRAKE. AT FIRST I THOUGHT THIS HAPPENED BECAUSE THE CAR HAS LOW FRICTION TIRES FOR EFFICIENCY. IT HAS HAPPENED ABOUT 5 TIMES SINCE I BOUGHT MY CAR IN AUGUST 2009. AFTER READING THE RECENT REPORTS IT SEEMS LIKE I AM HAVING A BRAKING PROBLEM, NOT A TIRE PROBLEM. *TR

Mileage: 1,000

WHEN DRIVING, AND GOING OVER A ROUGH SPOT IN THE ROAD (POT HOLE, CRACK, ETC.) THE CAR FEELS LIKE IT IS LURCHING FORWARD MOMENTARILY, AS IF THE BRAKES RELEASED. THIS HAPPENS EVERY TIME THE CAR GOES OVER A ROUGH PATCH IN THE ROAD. *TR

Mileage: 1,000

I OWN A 2010 TOYOTA PRIUS. I HAVE HAD MULTIPLE TIMES WHEN I HAVE HIT A BUMP AND WAS APPLYING THE BRAKES AND THE CAR SEEMS TO SKIP OR FLOAT. ON FEB 4, 2010 I WAS APPROACHING A STOP SIGN AND WAS BRAKING. JUST BEFORE THE STOP SIGN I HIT A BUMP AND THE CAR SLID THROUGH THE STOP SIGN AND INTO THE INTERSECTION. *TR

Mileage: 11,950

2010 TOYOTA PRIUS BRAKES ON TWO SEPARATE TIMES HAVE ALMOST CAUSED AN ACCIDENT. BOTH TIMES SLIPPERY CONDITIONS WERE PRESENT. *TR

Mileage: 4,200

I HAVE A 2010 TOYOTA PRIUS, BOUGHT IN NOVEMBER 2009. I HAVE NOTICED THAT IF I AM DRIVING OVER A SPEED BUMP, POTHOLE OR EVEN AN UNEVEN ROAD SURFACE AND I BRAKE, THE CAR EITHER ACCELERATES OR SLIPS FORWARD. THE BRAKES DON'T WORK. I EXPERIENCED THIS SOON AFTER I GOT THE NEW CAR. YESTERDAY, I SLOWED DOWN TO ENTER A GAS STATION, BUT THE ROAD SURFACE WAS DRIVEN WITH HOLES AND THE CAR DID NOT SLOW DOWN EVEN THOUGHT I BRAKED AND IT OVERSHOT THE ENTRANCE. I'M NERVOUS THAT I MAY HIT SOMEONE IN FRONT OF ME AND EVEN WORSE, IF I AM SLOWING DOWN FOR A PEDESTRIAN, I MAY HIT A PERSON. *TR

Mileage: 50

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT THE BRAKES WERE MOMENTARILY UNRESPONSIVE AT LOW SPEEDS WHEN DRIVING APPROXIMATELY 10 MPH OVER A POTHOLE. SHE STATED THAT THE FAILURE OCCURRED 50% OF THE TIME SHE DROVE OVER A POTHOLE OR BUMPY SURFACE. SHE CALLED THE DEALER AND WAS TOLD THAT THE ABS WAS THE CAUSE AND IT WAS NORMAL. SHE CALLED THE MANUFACTURER AND WAS UNABLE TO SPEAK WITH A REPRESENTATIVE. THE VEHICLE HAS NOT BEEN REPAIRED TO-DATE. THE VEHICLE IDENTIFICATION NUMBER WAS NOT AVAILABLE AT THE TIME OF THE COMPLAINT. THE CURRENT MILEAGE WAS APPROXIMATELY 4,000. THE FAILURE MILEAGE WAS APPROXIMATELY 500.

Mileage: 500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE VEHICLE ACCELERATED IMMEDIATELY AFTER THE CONTACT DROVE APPROXIMATELY 45 MPH OVER A BUMP IN THE ROAD OR A POTHOLE. THE CONTACT WAS ABLE TO CONTROL THE VEHICLE WHEN THE FAILURE OCCURRED. THE FAILURE MILEAGE WAS 1500. THE CURRENT MILEAGE WAS 4000.

Mileage: 1,500

LACK OF BRAKING WHEN HITTING A BUMP IN THE ROAD. IN MY CASE, THERE IS A BUMPY SECTION OF ROAD UNDER CONSTRUCTION AT THE INTERSECTION OF SHILOH RD AND FM 1171 IN FLOWER MOUND, TX. THIS PROBLEM OCCURS EVERY TIME I BRAKE AT THE TRAFFIC LIGHT AT THAT INTERSECTION. *TR

Mileage: 4,850

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS WITH ELECTRONIC STABILITY AND ANTI-LOCK BRAKING SYSTEM. WHILE BRAKING AT VARIOUS SPEEDS AND DRIVING OVER A POTHOLE, A BUMP OR ANY CHANGE IN THE ROAD SURFACE, THE VEHICLE WOULD MOMENTARILY ACCELERATE BEFORE THE BRAKES WOULD ENGAGE. THE DEALER STATED THAT WAS NORMAL FOR THE BRAKING SYSTEM FOR HIS YEAR, MAKE AND MODEL VEHICLE. THERE WERE NO RECALLS. THE FAILURE MILEAGE WAS 5,000 AND THE CURRENT MILEAGE WAS 19,000.

Mileage: 5,000

MY 2010 PRIUS HAS HAD 4 INSTANCES WHEN BRAKES DIDN'T WORK. ALL INVOLVED SLIGHTLY WET SURFACES ON A SEM- POTHOLED ROAD IN HOUSTON TX. I AM TAKING CAR INTO FRED HAAS TOYOTA ,, BUT I AM NOT SURE ANYONE KNOWS HOW TO FIX IT YET. AFTER TRYING TO BRAKE, THERE IS A LURCH FORWARD BEFORE IT COMES TO A STOP. I DO NOT FEEL SAFE IN VEHICLE. FORTUNATELY, I WAS GOING LESS THAN 40 MPH WHEN IT HAPPENED, AND HAVE NOT HAD AN ACCIDENT. *TR

Mileage: 6,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 20 MPH OVER A ROUGH SURFACE SHE NOTICED THAT THE BRAKES WOULD MOMENTARILY DISENGAGE. THE VEHICLE HAS NOT BEEN DIAGNOSED BY THE DEALER. THERE WERE NO PRIOR WARNINGS. THE CURRENT AND FAILURE MILEAGES WERE 2500.

Mileage: 2,500

I OWN A PRIUS 2010 MODEL. I'VE HAD THE CAR SINCE AUGUST 2009. WHEN PUSHING THE BRAKE PEDAL WHILE THE CAR OS GOING OVER A PATCH OF SNOW/ICE, THE BRAKES ENGAGED AFTER ABOUT 2-3 SECOND. LUCKILY, IN THE FEW INCIDENT THAT THIS SITUATION HAS HAPPENED, THERE WAS NOT OBSTACLES IN FRONT OF THE CAR. *TR

Mileage: 7,000

WE OWN A 2010 TOYOTA PRIUS WHICH WE PURCHASED IN JUNE OF 2009. ON SIX DIFFERENT OCCASIONS WE HAVE EXPERIENCED BRAKING PROBLEMS. ONE INCIDENT WAS ON ICE AND WHEN THE BRAKE PEDAL WAS PRESSED THE RESPONSE WAS AS IF THERE WERE NO BRAKES AT ALL AND THE VEHICLE SLID FREELY FOR A BRIEF MOMENT. THE OTHER FIVE INCIDENTS INVOLVED BRAKING ON A ROUGH SURFACE WHEN APPROACHING A STOP SIGN (3 DIFFERENT LOCATIONS). IN THESE CASES, WHEN THE BRAKE WAS PRESSED THE CAR DID NOT BEGIN TO STOP IMMEDIATELY. IN FACT I GOT THE FEELING THAT THE CAR HAD BEEN "HIT FROM THE REAR" AND I JERKED BACK INTO MY SEAT A LITTLE AND FELT THAT THE CAR FLOATED AHEAD BEFORE IT BEGAN TO STOP. THIS ALL HAPPENED VERY QUICKLY. I TRIED TO REPLICATE THE SITUATION AND WAS SUCCESSFUL ONCE. IN ALL BUT ONE OF MY EXPERIENCES WITH THIS DILEMMA, THE ROAD WAS ON A SLIGHT DOWNWARD SLOPE APPROACHING THE STOP SIGNS. THERE SEEMS TO BE A CERTAIN SPEED THAT IS NEEDED FOR IT TO HAPPEN. TOYOTA EXAMINED THE BRAKES AND SAID THEY WERE OK. OBVIOUSLY, THEY ARE NOT. *TR

Mileage: 1,500

I HAVE NOTICED A BRAKING PROBLEM WITH MY 2010 TOYOTA PRIUS. I WAS SLOWING DOWN BECAUSE OF A COW IN THE ROAD AND AS I WAS SLOWING I HIT A SMALL BUMP AND SUDDENLY MY BRAKES COMPLETELY STOPPED WORKING FOR ABOUT A SECOND AND IT ALMOST FELT LIKE THE CAR WAS ACCELERATING. I THOUGHT I WAS GOING TO RUN INTO THE COW AND THEN THE BRAKES GRABBED AGAIN AND I CONTINUED TO SLOW DOWN. IT WAS NOT A GOOD FEELING. I ALSO EXPERIENCED A SIMILAR ISSUE WHEN I HIT SOME ICE ON THE ROAD. WHEN I HIT THE ICE THERE WAS A BRIEF SECOND WHERE THE BRAKES SEEMED TO BE DOING ABSOLUTELY NOTHING AT ALL. I COULD NOT FEEL THE NORMAL ABS FEEL OR ANYTHING. *TR

Mileage: 5,800

I PURCHASED A 2010 PRIUS IN JULY 2009. WHENEVER I GO OVER A BUMPY ROAD OR HIT A POTHOLE WHILE BRAKING THE CAR WILL LURCH FORWARD. I BROUGHT IT TO WALSER TOYOTA IN BLOOMINGTON, MN FOR THIS PROBLEM. THEY SAID MY BRAKES WORK FINE. I'M STILL HAVING THE PROBLEM. IN FACT...I HAVE IT SO OFTEN WE HAVE NICKNAMED IT "PRIUS BRAKING." SO EACH TIME IT HAPPENS WE SAY "PRIUS BRAKING." WE KNOW TO NOT FOLLOW CLOSELY TO ANYONE AT A STOP SIGN OR STOP LIGHT IN FEAR OF REAR-ENDING THEM WHEN THE "PRIUS BRAKING" HAPPENS. *TR

Mileage: 500

THE CRUISE CONTROL ON MY 2010 TOYOTA PRIUS DOES NOT ALWAYS CANCEL WHILE BRAKING. THIS HAS RESULTED IN UNINTENDED ACCELERATION AFTER BRAKING WHILE THE CRUISE CONTROL HAS BEEN SET. A DRIVER EXPECTS THAT THE CRUISE CONTROL WILL AUTOMATICALLY CANCEL WHILE APPLYING THE BRAKES BUT THIS DOES NOT HAPPEN UNDER LIGHT BRAKING. THIS IS EVEN MORE PRONOUNCED WHILE DRIVING UP A STEEP HILL. ON JANUARY 11TH, 2010, I WAS IN A SITUATION WHERE I ACTUALLY APPLIED THE BRAKES TO REDUCE MY SPEED WHILE TRAVELING UP A STEEP HILL AND FELT THE CAR "FIGHTING" AGAINST ME TO MAINTAIN A STEADY SPEED. AFTER I HAD SLOWED MY PRIUS TO MATCH THE SPEED OF THE CAR IN FRONT OF ME, THE CRUISE CONTROL UNEXPECTEDLY CAUSED THE CAR TO ACCELERATE AGAIN, PLACING ME AT A LESS THAN SAFE DISTANCE TO THE CAR IN FRONT OF ME AS WE CRESTED THE HILL. *TR

Mileage: 6,008

TL*THE CONTACT OWNS 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 20 MPH ON AN UNEVEN RAISED ROADWAY SURFACE; PROCEEDING TO MAKE A LEFT TURN. PRESSURE WAS APPLIED TO THE BRAKE PEDAL, FOLLOWED BY AN UNINTENDED ACCELERATION. THE VEHICLE RESUMED TO NORMAL OPERATION AFTER APPLYING PRESSURE TO THE BRAKE PEDAL. THE FAILURE OCCURRED WHENEVER ENCOUNTERING AN UNEVEN ROAD SURFACE. THE VEHICLE HAS NOT BEEN INSPECTED FOR THE MALFUNCTION. THE FAILURE MILEAGE WAS 400.

Mileage: 400

1. LOW DRIVING SPEEDS (<30 MPH), MOVING DOWN HILL, DECELERATING AS APPROACHING A STOP SIGN. 2. WHEN THE FRONT WHEEL STRIKES POT HOLE, THE BRAKING ACTION STOPS/DECREASES, THE CAR MOVES FORWARD MORE QUICKLY. IN THE CURRENT CASE, THERE ARE A SERIES OF THREE POT HOLES, SO HITTING EACH POT HOLE INCREASES THE FORWARD MOTION DESPITE HAVING BREAK PEDAL DEPRESSED. CONSEQUENCE, IS IMMEDIATE DIFFICULTY TO COME TO A STOP AT A STOP SIGN. 3. NO CURRENT CORRECTION HAS BEEN ATTEMPTED. *TR

Mileage: 2,000

THE BRAKE LIGHTS ON MY 2010 TOYOTA PRIUS DO NOT ILLUMINATE UNDER LIGHT BRAKING. THERE IS A VERY DISCERNIBLE "GAP" AFTER DEPRESSING THE BRAKE PEDAL BEFORE THE BRAKE LIGHTS ILLUMINATE. UNDER LIGHT BRAKING, THE BRAKE LIGHTS WILL NOT WARN THE DRIVER OF THE CAR BEHIND ME THAT I AM ACTUALLY BRAKING. THIS RESULTS IN PEOPLE TAILGATING ME, AND SOMETIMES SOUNDING THEIR HORN SIGNAL AT ME, WHILE I AM SLOWING DOWN. ONCE THE PEDAL IS DEPRESSED FAR ENOUGH -- UNDER MODERATE TO SEVERE BRAKING -- THE BRAKE LIGHTS WILL EVENTUALLY ILLUMINATE. THIS HAS BEEN CONFIRMED BY SEVERAL CO-WORKERS AND FRIENDS WHO ALSO OWN THIS MODEL OF PRIUS. ALL OF OUR CARS HAVE THE SAME ISSUE WITH THE BRAKE LIGHT SWITCH. *TR

Mileage: 6,600

THE BRAKES ON MY 2010 TOYOTA PRIUS MOMENTARILY QUIT WORKING WHILE DRIVING OVER ROUGH SURFACES SUCH AS POTHOLES, RAILROAD TRACKS OR VERY UNEVEN PAVEMENT. THIS CAUSES THE VEHICLE TO SURGE FORWARD UNEXPECTEDLY UNDER BRAKING. *TR

Mileage: 5,800

I HAVE 2010 PRIUS. LOST CONTROL OF THE CAR A FEW SECONDS A FEW TIMES ESPECIALLY IN UNEVEN DOWN ROADS AND SLOW OR SLIPPERY ROADS. IT JUMPS (MOVE FORWARD) A FEW FEET, BEFORE IT STOPS, EVEN I APPLY THE BRAKE. I FELT THAT BRAKES DIDN'T WORK DURING THE PERIOD. *TR

Mileage: 7,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHENEVER HE ENGAGED THE BRAKE PEDAL WHILE DRIVING VARIOUS SPEEDS RANGING FROM 5 MPH OR HIGHER OVER A POTHOLE, A BUMP IN THE ROAD, ICE OR ANY CHANGE IN THE ROAD SURFACE THE VEHICLE MOMENTARILY ACCELERATED BEFORE THE BRAKES WOULD ENGAGE. HE ALSO STATED THAT HE HEARD A RATTLING NOISE WITHIN THE ENGINE COMPARTMENT AFTER THE VEHICLE WAS STARTED. THE DEALER WAS CONTACTED AND A DIAGNOSTIC TEST WAS PERFORMED BUT PRODUCED NO CODES. THE FAILURE COULD NOT BE DUPLICATED AND THE VEHICLE WAS RELEASED TO THE OWNER. NO REPAIRS WERE MADE TO THE VEHICLE. THERE WERE NO RECALLS. THE FAILURE MILEAGE WAS 2,000 AND THE CURRENT WAS 8,000.

Mileage: 2,000

BRAKE FAILURE WHILE GOING OVER SPEED BUMPS. SOMETIMES ON FLAT SURFACES. *TR

MY HUSBAND AND I BOUGHT A 2010 TOYOTA PRIUS IN NOVEMBER 2009. WE BOTH HAVE NOTICED A SORT OF JERKY FEELING WHILE BRAKING OVER A SMALL BUMP OR POTHOLE BUT WE DIDN'T THINK MUCH OF IT UNTIL LAST NIGHT WHEN I WAS DRIVING HOME WITH MY CHILDREN. I WAS DRIVING DOWN A RESIDENTIAL AREA AT ABOUT 30 MILES/HR. AND WAS SLOWING DOWN TO STOP AT A RED LIGHT. WHILE I WAS BRAKING I HIT A MEDIUM SIZED POT HOLE. MY CAR JUST LEAPT FORWARD ABOUT 10 FEET. I HAD MY FOOT ON THE BRAKE FIRMLY THE ENTIRE TIME BUT THE CAR WOULD NOT STOP. FINALLY MY CAR CAME TO A STOP. I WAS VERY SHAKEN BY THIS INCIDENT. IF THERE WAS A CAR IN FRONT OF ME I WOULD HAVE TOTALLY REARENDED THEM. I CAME HOME AND IMMEDIATELY CALLED THE TOYOTA DEALERSHIP. I LEFT A MESSAGE WITH THE SERVICE DEPARTMENT. MY CALL WAS RETURNED BY THE MANAGER THIS MORNING. SHE SAID THAT SHE HAD NOT HEARD ANYTHING FROM TOYOTA ABOUT ANY BRAKE ISSUES AND THEN SHE ASKED ME WHETHER I WAS SPEEDING! SHE DID NOT SEEM TO BELIEVE ME AND BASICALLY SAID THAT THERE WAS NOTHING THAT THEY COULD DO.*TR

MOMENTARY LOSS OF BRAKING ON A 2010 PRIUS MODEL IV. VEHICLE WAS PURCHASED ON THE 30TH OF SEPTEMBER 2010 AND CURRENTLY HAS 3460 MILES. DURING THE FIRST WEEK OF OPERATION THE BRAKES DID NOT SEEM TO WORK CORRECTLY. WE THOUGHT THIS MIGHT BE DO TO THE FACT THAT THE CAR WAS NEW AND THE BRAKES NEED TO BE USED AS A BRAKE IN PERIOD. WE NOTIFIED THE DEALERSHIP DURING THE SECOND WEEK OF OPERATION. THEY INDICATED THAT THIS WAS THE FIRST CONCERN THEY HAVE RECEIVED. THEY STATED THAT WHEN WE BRING IT IN FOR THE FIRST 5000 MILE SERVICE THEY WOULD CHECK THE BRAKES. SINCE THE MOMENTARY LOSS OF BRAKING DID NOT HAPPEN THAT OFTEN AND ONLY ON BUMPY ROADS OR OVER SPEED BUMPS WE WERE NOT TOO CONCERNED.I DID CALL THE DEALERSHIP AGAIN ON 2/4/2010 AND THE SERVICE DEPARTMENT STATED THEY HAD NOT RECEIVED ANY INFORMATION ON CORRECTING THE PROBLEM. WHAT WAS INTERESTING IS THAT A PERSON IN THE SERVICE DEPARTMENT WHO OWNS A 2006 PRIUS STATED THAT THE PROBLEM HAS BEEN AROUND FOR YEARS BUT IS MUCH MORE NOTICEABLE IN THE 2010 MODEL.. TOYOTA HAS ASSIGNED A CASE NUMBER TO OUR COMPLAINT ( 1002108541 ). NO ACCIDENT TO DATE BUT DRIVING THE VEHICLE SHOULD NOT INCLUDE WORRYING WHETHER OR NOT THE BRAKES WILL STOP IN TIME. *TR

Mileage: 40

TOYOTA PRIUS ANTI-LOCK BRAKING ISSUE HAS HAPPENED 3 TIMES IN OUR 2010 PRIUS AS DESCRIBED IN MEDIA REPORTS. IT HAPPENS ON SLIPPERY SURFACES WHEN THE ANTI-LOCK BRAKES KICK IN, THERE IS A SPLIT SECOND OF HESITATION BEFORE THEY DO. IT CAUSES A PRETTY GOOD ADRENALIN RUSH FOR THE DRIVER. *TR

Mileage: 10,500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 25 MPH OVER ROUGH, BUMPY SURFACE OR A POTHOLE AND TRYING TO DEPRESS THE BRAKE PEDAL, THE VEHICLE SEEMED TO SEIZE AND GLIDED INSTEAD OF SLOWING DOWN. THE FAILURE OCCURRED ON ONE OCCASION. HE CALLED THE DEALER AND WAS TOLD THAT THERE WAS NOTHING THEY COULD DO ABOUT THE FAILURE. HE HAD NOT SPOKEN WITH THE MANUFACTURER TO-DATE. THE VEHICLE HAD NOT BEEN REPAIRED AT THE TIME OF THE COMPLAINT. THE CURRENT MILEAGE WAS APPROXIMATELY 150. THE FAILURE MILEAGE WAS APPROXIMATELY 100.

Mileage: 100

I PURCHASED A 2010 TOYOTA PRIUS IN SEPT 2009. SINCE THEN, I HAVE HAD 3 OR 4 INSTANCES WHERE THE BRAKES LET GO MOMENTARILY AS MOUNTING REPORTS ARE SIMILARLY DESCRIBING. EACH INSTANCE HAS OCCURRED AT ROUGHLY THE SAME PLACE ON MY DRIVE HOME FROM MY CHILD'S DAY CARE, WHERE THE ROAD IS SLIGHTLY UNEVEN AND SLOPING DOWN, AS I AM BREAKING FOR A STOP SIGN. SINCE THIS IS A RESIDENTIAL AREA, I AM NOT DRIVING FAST TO BEGIN WITH (<20 MPH), AND THE BRAKES ONLY LET GO FOR 1-2 SECONDS. PRIOR TO HEARING ALL OF THESE OTHER REPORTS, I HAD NOT THOUGHT TO FILE MY OWN AND FOR THAT I APOLOGIZE. MY FEELING IS THAT UNLESS THIS ISSUE IS CORRECTED SOMEHOW BY TOYOTA, THESE INSTANCES WILL CONTINUE, AND I DO SEE POTENTIAL FOR AN ACCIDENT. *TR

Mileage: 3,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE THE CONTACT WAS DRIVING 20 MPH, SHE ATTEMPTED TO STOP THE VEHICLE AND NOTICED HESITATION WHEN THE BRAKE PEDAL WAS ENGAGED. THE VEHICLE HAS NOT BEEN DIAGNOSED BY THE DEALERSHIP AND THERE WERE NO PRIOR WARNINGS. THE CURRENT AND FAILURE MILEAGES WERE 2747.

Mileage: 2,747

I OWN A 2010 TOYOTA PRIUS. I HAVE NOTED THAT THERE IS A FREQUENT OCCURRENCE OF THE BRAKES NOT WORKING PROPERLY ESPECIALLY GOING OVER ROUGH ROAD (IE RAILROAD TRACKS). THE CAR APPEARS TO SKID BUT THE ANTI LOCKS BRAKE LIGHT DOES NOT COME ON LIKE IT DOES WHEN THE ANTI LOCK BRAKES ARE WORKING. THIS IS AN ANXIOUS SITUATION AS IT FEELS LIKE THE BRAKES ARE NOT GOING TO BE ABLE TO STOP THE VEHICLE. IT CREATES ANXIETY AND A NEED TO APPLY MORE FOOT PRESSURE TO CONTROL THE CAR. *TR

Mileage: 5,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 35 MPH AND APPLYING PRESSURE TO THE BRAKE PEDAL THE VEHICLE LUNGED FORWARD AND ACCELERATED WHENEVER THERE WAS A BUMP OR POTHOLE IN THE ROAD. THE DEALER STATED THAT THE VEHICLE WAS FUNCTIONING NORMALLY SINCE THE ELECTRICAL ENGINE WAS SWITCHING TO THE GASOLINE ENGINE. THE FAILURE OCCURRED CONTINUOUSLY. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS 2,500.

Mileage: 2,500

2010 PRIUS VIN BRAKES WILL DELAY AND GRAB AT TIMES. ARE FAMILY GOT TWO 2010 PRIUS AUG 2009 AND BOTH HAVE THIS SAME PROBLEM. DELAY AND GRABBING PROBLEM. *TR

Mileage: 500

WHILE APPROACHING A STOP SIGN AND APPLYING MY BRAKE,CAR WOULD NOT SLOW DOWN. PRESSED HARDER ON BRAKE,WHEELS LOCKED UP AND MY CAR SLID THROUGH THE INTERSECTION,CAR STOPPED WHEN IT HIT THE CURVE ACROSS THE STREET. APPROX. 50 FEET. I WAS DRIVING AT 10-15 MPH WHEN APPROACHING THE STOP SIGN. THE ANTILOCK BRAKES DID NOT WORK. THERE WAS ABOUT 1-2 INCHES OF SNOW ON THE ROAD. *TR

Mileage: 5,000

2010 PRIUS DELAYED BRAKING - MULTIPLE TIMES. *TR

Mileage: 100

I HAVE OWNED A 2010 PRIUS SINCE AUGUST 2009. SINCE THE PURCHASE I HAVE PUT 10,000 MILES ON THE VEHICLE. TO DATE I HAVE EXPERIENCED THE BRAKING PROBLEM ON THREE SEPARATE OCCASIONS. MY HUSBAND HAD ONE EXPERIENCE. IT APPEARS THAT WHEN THE FRONT TIRES HIT AN UNEVEN OR DIFFERENT SURFACE THE BRAKES WILL DISENGAGE VERY BRIEFLY AND THEN CATCH WHEN THE TIRES HIT EVEN GROUND. *TR

Mileage: 8,500

WHEN BRAKING TO A STOP AT RELATIVELY LOW SPEEDS, IF YOU HIT A BUMP OR A POTHOLE, THE CAR STOPS BREAKING AND LURCHES FORWARD. THIS LASTS FOR LESS THAN A SECOND BEFORE NORMAL BRAKING RESUMES. *TR

Mileage: 3,200

MOMENTARY REDUCTION IN BRAKING PERFORMANCE WHILE TRAVELING OVER A BUMP AND APPLYING THE BRAKES. *TR

Mileage: 800

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 40 MPH ON UNEVEN ROADS, THE VEHICLE FAILED TO STOP IMMEDIATELY WHEN THE BRAKES WERE APPLIED. THE VEHICLE ALSO LUNGED FORWARD. THE FAILURE MILEAGE WAS UNAVAILABLE. THE CURRENT MILEAGE WAS 5300.

Mileage: 5,300

BOTH MY 2006 TOYOTA HIGHLANDER HYBRID AND MY 2010 TOYOTA PRIUS HAVE PREDICTABLE BRAKE LAPSES WHEN TRAVELING. I AM AWARE OF ONE SITE ON THE WAY TO WORK, AND ONE ON THE WAY HOME WHICH HAVE PREDICTABLE SURGES DURING BRAKING. I FIRST REPORTED THIS TO MY DEALER IN 2006, WHO COULD NOT REPLICATE THE EVENT IN THE NEIGHBORHOOD NEAR THE DEALER. THE PRIUS ACTS EXACTLY THE SAME. FOR MY CARS IT ALWAYS OCCURS WHEN BRAKING ON A ROAD AT THE PLACE WHERE A DESCEND TURNS INTO AN ASCEND. *TR

Mileage: 10

MY TOYOTA PRIUS HAS A PROBLEM WITH SUDDEN SHAKING WHEN LIGHTLY APPLYING THE BRAKES. THE PROBLEM IS INTERMITTENT. THE DEALER DOES NOT KNOW WHAT TO DO UNTIL TOYOTA GIVES CLEAR DIRECTION. *TR

Mileage: 2,420

WHILE DRIVING MY 2010 TOYOTA PRIUS I APPROACHED A RED LIGHT WITH TRAFFIC STOPPED IN FRONT OF ME AT THE LIGHT. IT HAD BEEN RAINING AND THE PAVEMENT WAS WET. I BEGAN TO GENTLY BRAKE TO STOP WELL BEHIND THE STOPPED TRAFFIC AT THE LIGHT. I PASSED OVER SOME ROUGH/BUMPY ROAD AND THE BRAKES FAILED FOR ABOUT 1 SECOND AND THE CAR SHOT FORWARD APPROXIMATELY 10 FEET. THE BRAKES THEN BEGAN WORKING AGAIN IN ABS MODE AND I WAS ABLE TO AVOID HITTING THE STOPPED TRAFFIC IN FRONT OF ME BY ONLY 12 TO 24 INCHES. THIS HAS HAPPENED A NUMBER OF TIMES SINCE PURCHASING THIS 2010 PRIUS IN NOVEMBER OF 2009. IT HAS HAPPENED 3 OR 4 TIMES IN THE 3 MONTHS I HAVE OWNED THE VEHICLE. THE LOSS OF BRAKING CAUSES A SEVERE SENSE OF PANIC AND DISTRESS AND THE VEHICLE DOES SHOOT FORWARD FOR THAT SECOND OR SO. AND IN THE CASE NOTED ABOVE CAME VERY CLOSE TO CAUSING AN ACCIDENT. IT IS ONLY TIME BEFORE IT WILL CAUSE AN ACCIDENT AND HARM TO ME AND/OR OTHERS. TOYOTA HAS NOT OFFERED ANY REMEDY. THEY KNOW THE PROBLEM EXISTS AND HAVE KNOWN IT FOR QUITE SOME TIME. COMMUNICATION FROM TOYOTA ABOUT THE PROBLEM HAS BEEN ALMOST NON-EXISTENT. *TR

Mileage: 4,500

2010 PRIUS BRAKING PROBLEM. WE THOUGHT IS WAS US OR THE CAR. WE BOUGHT IN AUGUST 2009. MY WIFE ALMOST HIT ANOTHER CAR ON 2/4. SLOW SPEED, BUMPS, THE CAR DID NOT APPEAR TO STOP WHILE BRAKING, THEN IT FINALLY STOPPED. I TOLD MY WIFE OF PROBLEMS EARLIER, BUT THEY WERE PERIODIC. *TR

Mileage: 8,500

ONE OCCASION OF FAILURE OF BRAKES FOR 1-2 SECONDS ON 2010 PRIUS (OVER ROUGH ROAD). *TR

Mileage: 4,000

THIS PROBLEM SEEMS TO OCCUR WHEN I AM JUST BEGINNING TO BRAKE OR IN THE MIDDLE OF BRAKING, IF I GO OVER ANY UNEVEN TERRAIN (I.E. POTHOLE, DIPS, ETC.), THE BRAKING SYSTEM FEELS LIKE IT IS GIVING. IT GENERALLY ONLY LASTS FOR A SECOND OR SO, BUT IT IS UNNERVING. I DO FEEL THE CAR LUNGE FORWARD AT THIS POINT, AND FEEL THAT I HAVE NO CONTROL OVER MY CAR. I DRIVE IN THE CITY ON A DAILY BASIS, AND THAT WAS ONE OF THE MAIN REASONS FOR ME PURCHASING THIS CAR. IT IS NOT A COMFORTABLE FEELING, AND IT IS TERRIFYING TO MY PASSENGERS. WHEN I CONTACTED TOYOTA, THEY WERE VERY CONDESCENDING. MADE IT SEEM LIKE IT IS JUST BECAUSE THE AUTOMOBILE IS SO ADVANCED AND TECHNICAL, AND THAT IS SUPPOSED TO HAPPEN. HOWEVER, MY 2 BROTHERS BOTH HAVE OLDER PRIUSES, AND NEITHER HAVE EXPERIENCED THIS. *TR

Mileage: 25

2010 TOYOTA PRIUS LOSS OF BRAKES - THIS HAS HAPPENED FOUR TIMES IN THE SEVEN MONTHS THAT I HAVE OWNED THIS VEHICLE. ALL FOUR TIMES WERE WHEN THE VEHICLE WAS ON ICE OR HARD PACKED SNOW. DETAILS; WHEN COMING TO A STOP AT RELATIVELY LOW SPEED (APPROX. 10MPH) ON EITHER ICE OR HARD PACKED SNOW THE VEHICLE WILL LOSE ALL BRAKING FOR ABOUT 5 TO 10 FEET. THE FIRST SEVERAL TIMES THIS HAPPEN I THOUGHT THAT I HIT A PATCH OF BLACK ICE BUT DIDN'T UNDERSTAND WHY THE ANTI-LOCK BRAKES DID NOT CHATTER. *TR

Mileage: 6,000

IN JUNE I PURCHASED A 2010 TOYOTA PRIUS. I LIVE IN A COLD WINTER CLIMATE AND HAVE NOTICED THAT THE CAR BRAKES SEEM TO DISENGAGE FOR SHORT PERIODS OF TIME, PARTICULARLY AS I COME TO A STOP ON A SNOWY/ICE RUTTED ROAD, OR AM GOING OVER A BUMPY SURFACE. IF I LEAVE MY FOOT ON THE BRAKE, IT WILL REINGAGE QUICKLY. IN OTHER WORDS, I PUT ON THE BRAKE, AND THE CAR STARTS TO RESPOND BUT THEN "JUMPS AHEAD" AS IF IT'S SLIDING ON GLARE ICE BEFORE COMING TO A COMPLETE STOP. THE PROBLEM IS INTERMITTENT, DEPENDING UPON THE CONDITION OF THE ROAD AT THE TIME. I HAVE REPORTED THE PROBLEM TO THE DEALERSHIP. *TR

Mileage: 6,300

TOYOTA PRIUS 2010: I HAVE EXPERIENCED MOMENTARY LOSS OF BRAKING CAPABILITY WHILE TRAVELING DOWN THE HILL AND MADE A RIGHT TURN. THIS HAS HAPPENED TWICE. *TR

Mileage: 6,000

I HAVE HAD A 2010 TOYOTA PRIUS SINCE SEPTEMBER 2009. I BOUGHT IT FROM A DEALER-TOYOTA OF LAKE CITY, SEATTLE, WA. I HAVE BEEN EXPERIENCING THE FOLLOWING PROBLEM: A MOMENTARY REDUCTION IN BRAKING PERFORMANCE WHILE TRAVELING OVER AN UNEVEN ROAD SURFACE OR BUMPS AND APPLYING THE BREAKS. IT FEELS LIKE THE BRAKES SLIP AND THE CAR JERKS FORWARD WHEN THE BRAKES ARE APPLIED WHILE TRAVELING (ESPECIALLY DOWNHILL) ON AN UNEVEN ROAD SURFACE OR BUMPS. THIS PROBLEM OCCURS EVERY TIME/DAY I DRIVE ON AN UNEVEN ROAD SURFACE OR BUMPS, AND TRY TO APPLY THE BRAKES. NOTHING HAS BEEN DONE TO CORRECT THE FAILURE AS NO RECALL HAS BEEN ISSUED YET. DEALER NOTIFIED OF PROBLEM. *TR

Mileage: 35

I WAS DRIVING MY 2010 PRIUS (BUILT BEFORE JANUARY, 2010) ON ICY CONDITIONS. I COASTED TO A STOP SIGN AND APPLIED THE BRAKES. THE CAR SEEMED TO IGNORE MY BRAKING AND CONTINUED THROUGH THE STOP SIGN 2-3 FEET. I ATTRIBUTED THE PROBLEM TO THE WEATHER CONDITIONS AND PROCEEDED WITH CAUTION. AT THE NEXT STOP SIGN, I WAS ESPECIALLY CAREFUL, BUT WHEN I APPLIED THE BRAKES, THE CAR SEEMED TO SURGE FORWARD FOR 1-2 SECONDS, ENOUGH TIME TO PUT ME IN THE PATH OF AN ONCOMING PICK-UP TRUCK. NOBODY WAS HURT, BUT THE DAMAGE WILL COME TO ABOUT $11,000. AFTER HEARING ABOUT THE PRIUS' BRAKE PROBLEMS, I REALIZED THAT THE LACK OF BRAKE ACTION THAT I EXPERIENCED IS VERY SIMILAR TO OTHER COMPLAINTS ABOUT PRIUS' BUILT PRIOR TO TOYOTA'S JANUARY PROGRAMMING FIX. I AM UPSET THAT TOYOTA KNEW ABOUT THIS PROBLEM, BUT FAILED TO TELL ME ABOUT IT. AS A RESULT, I WILL END UP WITH A LESS VALUABLE REPAIRED VEHICLE WITH A KNOWN BRAKE DEFECT AND HIGHER INSURANCE RATES WHICH WILL PLAGUE MY WALLET FOR YEARS TO COME. *TR

Mileage: 6,229

I OWN A 2010 TOYOTA PRIUS, PURCHASED IN NOVEMBER, 2009. TWICE, I HAVE BEEN GOING OVER A SMALL BUMP IN THE ROAD AND THE CAR HAS ACCELERATED SUDDENLY INSTEAD OF BRAKING. THIS HAPPENED BOTH IN JANUARY AT THE SAME INTERSECTION -- AT THE INTERSECTION OF HAMPDEN AND MONACO IN DENVER, COLORADO. *TR

I ATTEMPTED TO BRING MY 2010 PRIUS TO A STOP ON A DIRT ROAD LEADING TO AN ASPHALT SURFACE THAT WAS COVERED WITH A RECENT SNOWFALL OF ABOUT 2 INCHES. THE BRAKES DID NOT GRAB FOR ABOUT 3 SECONDS DURING WHICH I ATTEMPTED TO PUMP THE BRAKES. THE CAR HAD 4 SNOW TIRES MOUNTED ON IT WHICH USUALLY GRAB RIGHT AWAY. *TR

Mileage: 1,600

I WAS COMING UP TO AN INTERSECTION WITH A STOPLIGHT. THE LIGHT TURNED RED. I WAS GOING OVER A MANHOLE AS I HIT THE BRAKES. MY BRAKES DID NOT WORK AND IN FACT, MY CAR LURCHED FORWARD. I STEPPED HARD ON THE BRAKE AND EVENTUALLY STOPPED. LUCKILY, THE CAR AHEAD OF ME WAS FAR ENOUGH AWAY OR I WOULD HAVE REAR-ENDED IT. ANOTHER INCIDENT HAPPENED A FEW DAYS AFTER A SNOWFALL. THE END OF MY STREET HAD SOME HARD, PACKED SNOW THAT THE PLOW LEFT BEHIND. AS I CAME UP TO THE STOP SIGN, MY BRAKES DID NOT WORK AND I ENDED UP IN THE CROSS STREET. I WAS ONLY GOING ABOUT 10-15 MPH AT THE TIME THAT I BRAKED. THIS INCIDENT HAPPENED IN DECEMBER 2009, THE OTHER IN JANUARY 2010. NOTHING HAS BEEN DONE TO CORRECT OR REPAIR THE CAR. *TR

Mileage: 900

ON SEVERAL OCCASIONS, MY 2010 TOYOTA PRIUS HAS LURCHED AHEAD AFTER HITTING A POTHOLE, AS DESCRIBED IN THE FEB. 4 NEW YORK TIMES ARTICLE. NO CONTACT OR PROPERTY DAMAGE HAS OCCURRED. *TR

Mileage: 4,000

AS I SLOW DOWN IN MY 2010 TOYOTA PRIUS, IF THE CAR GOES OVER ANY BUMPS, I FEEL AN "ACCELERATION" (ACTUALLY A SUDDEN STOP IN DECELERATION) AS I AM APPLYING THE BRAKES. I WENT TO MY TOYOTA DEALER AND THEY ACKNOWLEDGED THAT THEY'D HEARD OF THE ISSUE, BUT DENIED IT WAS A PROBLEM. *TR

Mileage: 7,800

I HAVE HAD A BRIEF FAILURE OF THE BRAKES ON MY 2010 PRIUS IV. I WAS DRIVING IN TOWN COMING BACK FROM THE SCHOOL WHERE I TEACH. I SLOWED AS I CAME UP ON ANOTHER VEHICLE STOPPED AT A STOPLIGHT. ALTHOUGH I HAD MY FOOT ON THE BRAKE, IT DID NOT START TO BRAKE FOR A COUPLE OF SECONDS. I NARROWLY AVOIDED AN ACCIDENT. *TR

Mileage: 1,800

MY 2010 PRIUS HESITATED TO BRAKE PROPERLY/CAUSED A DELAY AT 10MPH ON THE FREEWAY, AS A RESULT MY LEFT FENDER MADE CONTACT WITH THE VEHICLE IN FRONT OF ME. AS RESULT, MY INSURANCE INCREASED, I HAD TO PAY $500 DEDUCTIBLE TO REPAIR MY BUMPER. ALSO THE BACK BRAKES HAVE SQUEAKED GOING IN REVERSE SINCE PURCHASE IN NOVEMBER 2009. *TR

Mileage: 2,600

SINCE I BOUGHT MY 2010 TOYOTA PRIUS, I HAVE BEEN NOTICING THAT WHEN I GO OVER A BUMP OR POTHOLE IN THE ROAD THAT THE CAR LURCHES FORWARD AND SEEMS TO ACCELERATE OR I CAN'T BRAKE. IT OCCURS A FEW TIMES A WEEK SINCE I BOUGHT IT IN SEPT..2009 IT IS CURRENTLY AT THE DEALER AND I DON'T KNOW IF THEY WILL BE ABLE TO FIX THE PROBLEM. THEY DIDN'T SEEM VERY CONFIDENT THAT THEY WOULD BE ABLE TO. *TR

DURING MODERATE BRAKING WHEN THERE ARE UNEVEN OR POTHOLES IN ROAD THERE IS A HESITATION BETWEEN THE DYNAMIC BRAKING AND THE DISC BRAKES. THERE SEEMS TO BE A DELAY ENOUGH TO SCARE THE DRIVER ESPECIALLY IF IT WAS THE FIRST TIME. *TR

Mileage: 500

I WAS DRIVING MY 2010 PRIUS EAST ON OHIO STREET (NEAR STATE STREET) IN CHICAGO. THE STREET HERE HAS SOME POTHOLES AND MANHOLE COVERS. WHEN I APPLIED THE BRAKES, THE CAR DID NOT BRAKE; INSTEAD, IT SEEMED TO SURGE AHEAD. I WAS ABLE TO STOP THE CAR BEFORE HITTING A PEDESTRIAN. THIS WAS THE MOST RECENT EPISODE OF THIS PROBLEM. I DID NOT NOTE THE DATES OF THE THREE PRIOR EPISODES THAT HAVE OCCURRED SINCE I PURCHASED THE CAR APPROXIMATELY SEVEN MONTHS AGO. *TR

Mileage: 7,700

I OWN A 2010 CLASS III TOYOTA PRIUS. ON SEVERAL OCCASIONS, I HAVE APPLIED THE BRAKES AND THE BRAKES SEEMED TO RELEASE, CAUSING THE CAR TO SURGE FORWARD, BEFORE THE BRAKES RE-ENGAGED. ONCE THIS OCCURRED WHEN I HIT A MANHOLE COVER AND ONCE ON A SLIPPERY ROAD BUT IT HAS ALSO OCCURRED ON DRY ROADS WITH NO APPARENT REASON FOR THE FAILURE. I TOOK THE CARE TO THE DEALER ON 30 JANUARY 2010 WHO ADVISED ME THAT THERE WAS NOTHING WRONG WITH MY BRAKES. *TR

Mileage: 3,500

DRIVING MY 2010 PRIUS TODAY, I EXPERIENCED A BRAKE FAILURE SUCH AS THE ONE I'VE BEEN HEARING ABOUT ON THE NEWS. HERE'S WHAT HAPPENED: I WAS BRAKING, SLOWING TO A STOP APPROACHING A STOPLIGHT (GOING NO FASTER THAN 10 MPH AT THE TIME), MY CAR ROLLED OVER A MANHOLE COVER THAT WAS SLIGHTLY LOWER THAN THE SURFACE OF THE ROAD (NO MORE THAN ONE INCH DEEP) AND SUDDENLY IT FELT LIKE MY CAR WAS GLIDING ON ICE WITH NO ABILITY TO STOP, THE BRAKES HAD COMPLETELY FAILED; ADDITIONALLY, I HEARD A SLIGHT GRINDING SOUND COME FROM THE FRONT RIGHT WHEEL WELL. I TOOK MY FOOT OFF THE BRAKE, RE-DEPRESSED THE PEDAL, AND EVERYTHING WAS INSTANTLY BACK TO NORMAL. THE DURATION OF THE INCIDENT WAS NO MORE THAN A SECOND, BUT IT WAS TERRIBLY ALARMING JUST THE SAME. FOLLOWING THIS INCIDENT, I HAVE CONTACTED TWO DIFFERENT TOYOTA DEALERSHIPS' SERVICE DEPARTMENTS WHO STATED THAT THEY DID NOT CURRENTLY HAVE ANY REPAIR PLANS FOR THIS PROBLEM, APOLOGIZED FOR THE "INCONVENIENCE," AND ONE OF THE DEALERSHIPS (TOYOTA OF HOLLYWOOD (CA)) TOOK MY PHONE NUMBER WHILE THE OTHER DEALERSHIP TOLD ME TO WAIT FOR A LETTER FROM TOYOTA. I INQUIRED OF TOYOTA OF GLENDALE (CA) IF I SHOULD GET A RENTAL CAR FOR THE TIME BEING (HOPING TO BE OFFERED A LOANER) AND THEY TOLD ME NOT TO, AND TO 'DRIVE SAFE.' I'M TOTALLY LIVID, THIS IS A VERY SCARY PROBLEM TO EXPERIENCE. *TR

Mileage: 1,310

WHEN USING THE BRAKES, ON SEVERAL OCCASIONS, MY VEHICLE BRIEFLY LURCHED FORWARD. MOST OF THE TIME IT HAPPENS WHEN THE PAVEMENT IS WET. IT HAS HAPPENED ABOUT 15 TIMES OVER THE PAST 4 MONTHS. *TR

TOYOTA PRIUS 2010- WHEN WE GO INTO A POTHOLE AND APPLY THE BRAKE, THE BRAKE DOESN'T WORK. INSTEAD, IT ACCELERATES. ONCE, IT HIT A CURB AND DAMAGED THE BUMPER. *TR

Mileage: 15

2010 TOYOTA PRIUS. FROM THE FIRST WEEK I OWNED THE CAR HERE IS A DESCRIPTION OF THE PROBLEM. FREQUENTLY, WHEN FIRST STARTING THE CAR IN THE DRIVEWAY, I PUT THE CAR IN DRIVE, THEN AS IT BEGAN TO MOVE FORWARD - THE SLIGHTEST TOUCH ON THE BRAKE CAUSED THE WHEELS TO LOCK-UP, BADLY LURCHING MYSELF AND THE PASSENGER. AFTER DRIVING FOR A SHORT WHILE THE PROBLEM GOES AWAY. I TOOK THE CAR IN FOR ITS 5,000 MILE OIL CHANGE - TOLD THE TOYOTA DEALERSHIP (RODLAND TOYOTA EVERETT WA) ABOUT THE PROBLEM AND I WAS TOLD IT WAS CHECKED OUT AND THERE WAS NO PROBLEM. THERE IS A PROBLEM. *TR

Mileage: 200

I WAS DRIVING MY 2010 TOYOTA PRIUS OVER A ROUGH SPOT IN THE ROAD. WHEN I TRIED TO SLOW THE CAR BY APPLYING MY BRAKES, THEY DID NOT RESPOND. IN FACT, INSTEAD OF SLOWING DOWN, MY CAR ACCELERATED ABRUPTLY, SHOOTING AHEAD SEVERAL FEET BEFORE I WAS ABLE TO REGAIN CONTROL OF THE VEHICLE. THIS EPISODE LASTED ONLY A FEW SECONDS, AND THEN THE BREAKING FUNCTION RETURNED. SINCE I WAS TRAVELING AROUND TWENTY MILES PER HOUR AT THE TIME AND NO ONE WAS DIRECTLY IN FRONT OF ME, THE EPISODE DID NOT RESULT IN ANY ACCIDENT OR INJURY. WHILE I HAVE HAD ONLY ONE OCCURRENCE OF THIS BRAKE FAILURE/ACCELERATION SINCE OWNING MY CAR, PURCHASED AT THE END OF SEPTEMBER, 2009, THE FACT THAT THIS CAR HAS A HISTORY OF PERFORMING IN THIS UNCONTROLLED WAY HAS ME DEEPLY CONCERNED ABOUT DRIVING IT. *TR

Mileage: 3,650

DRIVING IN SLIPPERY CONDITIONS AND WE ATTEMPTED TO STOP ON A MANHOLE COVER AND THE BRAKES DID NOT CATCH. WE ALMOST HAD A CRASH, BUT MANAGED TO STOP JUST IN TIME. THIS WAS NOT THE FIRST TIME THAT THIS HAD OCCURRED. WE HAD A SIMILAR INCIDENT WHEN WE HIT A LARGE POTHOLE. *TR

Mileage: 8,000

I OWN A 2010 TOYOTA PRIUS AND NOTICED PROBLEMS WITH BRAKING WHILE CROSSING THE TRAIN TRACKS AND HITTING POTHOLES. IT SEEMED THAT THE BRAKES DOES NOT WORK BECAUSE THE VEHICLE ACCELERATES. YOU HAVE THIS FEELING OF PANIC THAT THE VEHICLE WON'T STOP AND YOU WILL HIT THE BUMPER OF THE VEHICLE IN FRONT OF YOU. *TR

Mileage: 12,000

I PURCHASED A 2010 PRIUS IV AT BOCH TOYOTA IN ATTLEBORO MASS ON JAN 9TH . ON JAN 20TH (ODOMETER ABOUT 300 MILES), ABOUT 5:20 PM I WAS TRAVELING SOUTH IN STOP & GO TRAFFIC ON ALLENS AVE NEAR RIHOSPITAL (PROVIDENCE, RI) AT ABOUT 10 MPH OVER A ROUGH SURFACE (INCLUDING RAILROAD TRACKS THAT CROSSED NEARLY PERPENDICULAR TO THE ROAD). WHEN I APPLIED THE BRAKES, THE VEHICLE FAILED TO STOP PROPERLY, UNTIL AFTER A FEW ANXIOUS SECONDS, THE BRAKES FINALLY GRABBED AND STOPPED THE VEHICLE LESS THAN 1 INCH FROM THE TRUCK IN FRONT OF ME. NO SUBSEQUENT OCCURRENCE HAS BEEN NOTED IN THE NEXT 300 OR SO MILES. IN LIGHT OF THE RECENT REPORTS OF FAULTY SOFTWARE CAUSING JUST SUCH MALFUNCTIONS OF THE BRAKING SYSTEM, I AM REPORTING THIS TO THE NATIONAL HIGHWAY TRAFFIC SAFETY DIVISION. *TR

Mileage: 300

FRIDAY; 02/05/2010 I OWN A 2010 TOYOTA PRIUS I HAVE BEEN EXPERIENCING WHEN I APPLY MY BRAKES FOR MONTHS WHEN DRIVING OVER A UNEVEN SURFACE OR A LARGE HOLES. MY VEHICLE DOES NOT RESPOND WHEN I TRY TO SLOW DOWN OR APPLY BRAKES. ITS LIKE I LOST CONTROL. I TRIED TO EXPLAIN THIS CONDITION TO THE SELLING DEALER BUT HE DID NOT HAVE A ANSWER UP TO NOW. MY 2010 TOYOTA WAS PURCHASED 09/22/2009. *TR

I HAVE EXPERIENCED VERY STRONG GRABBING SENSATIONS FROM THE BRAKES A FEW TIMES WHEN BACKING UP. THE CAR REACTS AS THOUGH YOU ARE SLAMMING THE BRAKES EVEN THOUGH ONLY SLIGHT PRESSURE IS APPLIED. *TR

BOUGHT A 2010 PRIUS IN OCTOBER 2009. IT CURRENTLY HAS 3500 MILES ON IT. AT LEAST THREE TIMES THE CAR FELT AS IF IT SLIPPED ON ICE WHEN APPLYING THE BRAKES (WEATHER CONDITIONS WERE PERFECT - NO ICE, SNOW OR RAIN). THEIR IS DIFFICULTY IN CLEARING FOG FROM THE WINDOWS AND ONE TIME I HAD TROUBLE SETTING THE CRUISE CONTROL. *TR

Mileage: 1,000

I HAVE NOTICED ON A FEW OCCASIONS THAT MY 2010 PRIUS LURCHES FORWARD FOR A BRIEF SECOND IN THE MIDDLE OF BRAKING AT A STOP SIGN. I HAVE NOTICED THIS HAPPEN OCCASIONALLY, BUT WAS MORE FREQUENT IN THE LAST MONTH, ABOUT 3 TIMES. I MADE A WRITTEN COMPLAINT TO TOYOTA SERVICE A WEEK AGO, BUT WAS TOLD IT WAS NOT UNUSUAL. HOWEVER, I JUST READ IN THE NEWS ABOUT THE ISSUE WITH BRAKING IN THIS MODEL CAR AND AM ALARMED AND THOUGHT I SHOULD MAKE A NOTE OF MY OBSERVATION TO NHTSA. I WILL CALL TOYOTA SERVICE AGAIN TO HAVE THEM TAKE A SECOND LOOK AT MY CAR. THANKS *TR

Mileage: 5,000

THE BRAKES ON MY PRIUS HAVE FAILED THREE TIMES IN THREE WEEKS IN BOTH CITY AND RURAL DRIVING CONDITIONS--TWO TIMES I WAS BRAKING WHILE DRIVING DOWN A HILL (BOTH UNDER 30 MPH) AND ONCE WHILE DRIVING ON A SECONDARY BLACKTOP ROAD (35 MPH). *TR WHEN BRAKE FAILURE OCCURS, THE PRIUS BRAKES NOT ONLY DISENGAGE (FAIL) BUT THE CAR SEEMS TO LUNGE FORWARD. IT'S AS IF I AM BRAKING WITH MY FOOT ON THE GAS PEDAL AND THEN LET UP ON THE BRAKE WHILE THE GAS PEDAL IS STILL DEPRESSED. IT'S A NAUSEATING FEELING WHEN THIS HAPPENS. I WAS PLANNING ON TAKING THE PRIUS ON A CROSS-COUNTRY TRIP IN THE SPRING BUT WILL NOT NOW BECAUSE OF THIS BRAKING ISSUE. IT IS NOT A SAFE VEHICLE. I HAVE GREAT CONCERN FOR MY SAFETY AND THE SAFETY OF OTHERS, PARTICULARLY PEDESTRIAN SAFETY AT INTERSECTIONS. I AM ALSO GOING TO POST MY COMPLAINT ON PRIUSCHAT.COM (ONLINE PRIUSPHILE COMMUNITY OF WHICH I AM A MEMBER) IN HOPES THAT OTHERS WILL COME FORWARD WITH THEIR BRAKING PROBLEMS TO NHTSA, FORCING TOYOTA TO FIX THIS PROBLEM. I COMPLETED A COMPLAINT FORM FOR LAST WEEK ON YOUR SITE (DIDN'T REQUIRE VIN NUMBER) BUT SINCE BRAKE FAILURE OCCURRED AGAIN TODAY, I REALIZE THAT THIS IS NOT AN ISOLATED INCIDENT. THEREFORE, I AM FILING THIS FORMAL NHTSA COMPLAINT. *TR

Mileage: 3,514

I OWN A 2010 PRIUS AND TOOK THE CAR INTO THE LOCAL TOYOTA DEALER 2 DAYS AGO FOR THE INITIAL 5,000 MILE CHECK UP TO DISCUSS A COUPLE ISSUES I HAVE FOUND WITH THE CAR. I HAVE EXPERIENCED ON 3 OCCASIONS A FEELING OF BRAKE FAILURE. THIS HAS OCCURRED WHEN I AM DRIVING OVER ROUGH ROAD. WHILE THE BRAKE IS BEING APPLIED IF I HIT BUMPS, THE BRAKE PEDAL DROPS AND I LOSE THE BRAKES. I HAVE IMMEDIATELY LET UP ON THE BRAKE AND THEN REAPPLIED PRESSURE TO THE BRAKE PEDAL TO GET BRAKING BACK. THE DEALER TRIED TO ACHIEVE THE SAME PROBLEM BUT WAS UNABLE TO REPLICATE IT. HE SAID IT WAS JUST THE WAY THE PEDAL MUST FEEL TO ME. OUR DAUGHTERS BOTH HAVE 2006 PRIUS' WHICH I HAVE DRIVEN AND NEVER EXPERIENCED THIS PROBLEM WITH THEIR CAR BRAKES. THE SECOND PROBLEM IS WITH CRUISE CONTROL. AGAIN, I HAVE DRIVEN A 2006 PRIUS AND USED CRUISE CONTROL AND NOT EXPERIENCED THE FOLLOWING IN THE 06 MODEL THAT OCCURS IN OUR 2010 MODEL. THE CAR STARTED TO ACCELERATE IN CRUISE MODE. WE HAVE ALSO FOUND IT TAKES A LOT OF PRESSURE ON THE BRAKE PEDAL TO TAKE IT OUT OF CRUISE CONTROL. THE CAR JERKS WHEN TAPPING THE BRAKE PEDAL LIGHTLY TO TAKE OFF CRUISE CONTROL. THE DEALER AGAIN TOOK IT OUT FOR A TEST DRIVE AND SAID THIS IS THE WAY THE PRIUS FEELS. I KNOW DRIVING THE 2006 MODEL IT WAS NOT THE WAY THE PRIUS FEELS WHEN YOU TAKE IT OUT OF CRUISE CONTROL. *TR

OUR 2010 PRIUS SUDDENLY ACCELERATES WHEN WE PRESS THE BRAKES AND HIT A HUMP ON THE ROAD. THIS IS AN ONGOING PROBLEM. *TR

MY PRIUS IS HAVING BRAKE ISSUES. WHEN I TOOK IT BACK TO THE DEALER THE SERVICE REP RODE IN THE CAR WITH ME AND SINCE IT DIDN'T SLIP DURING OUR 2 BLOCK DRIVE HE SAID HE CAN'T AUTHORIZE A REPAIR SINCE ITS NOT PART OF THE RECALL. I WANT TO JUST RETURN THIS THING BEFORE I GET IN AN ACCIDENT BUT THEY TOLD ME I WILL LOSE 100 POINTS ON MY CREDIT SCORE. WHAT CAN I DO?! *TR

Mileage: 400

WHEN SLOWING DOWN OVER BUMPY SURFACES, THE CAR TEMPORARILY LOSES BRAKING CONTROL (FOR A SECOND OR SO). IT IS TERRIFYING AND NEEDS TO BE LOOKED INTO. THERE ARE HUNDREDS OF PEOPLE ONLINE WHO HAVE REPORTED THIS EXACT SAME PROBLEM. *TR

Mileage: 90

HIS HAPPENS ABOUT ONCE EVERY TWO WEEKS WITH OUR NEW 2010 PRIUS. WHEN WE PRESS THE BRAKE THE CAR ACCELERATES FOR A SECOND. IT SEEMS VERY DANGEROUS. WHEN I CALL MY DEALERSHIP THEY HAVE BEEN DISMISSIVE AND SAID IT WAS A PROBLEM WITH THE MATS, WE TRIED DIFFERENT MATS AND EVEN TOOK THEM OUT AND THE PROBLEM STILL PERSISTS. I HAVEN'T CALLED THE DEALERSHIP I N A WHILE BUT LAST TIME THEY STILL SAID IT WAS A FLOOR MAT PROBLEM. *TR

I HAVE THE 2010 PRIUS BRAKING PROBLEM DESCRIBED IN THE NEWS RECENTLY. THE BRAKES SEEM TO FAIL BRIEFLY WHEN I'M STOPPING. IT SEEMS TO HAVE OCCURRED WHEN SLOWING ON TURNS WITH AN UNEVEN ROADWAY OR AN ICY SURFACE. AT FIRST I THOUGHT THAT I HAD HIT AN ICY SPOT AND THE CAR SLID A BIT, BUT AFTER ABOUT THE 4TH OR 5TH TIME I REALIZED THAT WAS NOT ALWAYS THE CASE. IT'S QUITE SCARY WHEN IT HAPPENS, ESPECIALLY SINCE I AM IN A TURN AT THE TIME. IT MAY OF HAPPENED ON STRAIGHT ROADWAY ALSO. I CAN'T REMEMBER FOR SURE. *TR

Mileage: 1,000

2010 PRIUS. WHEN BRAKES ARE DEPRESSED, AND VEHICLE IS SLOWING NORMALLY, IF THE VEHICLE ENCOUNTERS A POTHOLE OR OTHER VERY ROUGH ROAD SURFACE, THE BRAKE WILL SOMETIMES DISENGAGE BRIEFLY, BUT ABRUPTLY. THE CAR SEEMS TO SURGE FORWARD. IN THE THREE TIMES I'VE EXPERIENCED THIS, THE BRAKES 'CATCH' AGAIN VERY SHORTLY AFTER THE POTHOLE -- LESS THAN A SECOND. *TR

Mileage: 8,000

1. WHILE APPLYING THE BRAKES AT LOW SPEED WHILE RIDING OVER UNEVEN OR DIFFERENT ROAD SURFACES (SUCH AS POT HOLE OR BRIDGE). 2. THE BRAKES SEEM TO GRIP, THEN RELEASE, THEN GRIP AGAIN CAUSING A MISCALCULATION OF BRAKING DISTANCE REQUIRED TO SAFELY STOP THE VEHICLE. IT HAPPENS EVERY TIME DURING THE CIRCUMSTANCES DESCRIBED IN ITEM 1 ABOVE. 3. NOTHING HAS BEEN DONE TO RESOLVE THE ISSUE, ALTHOUGH I UNDERSTAND THAT PRIUS MODELS SOLD AFTER JANUARY 2010 HAVE HAD THIS PROBLEM FIXED. *TR

Mileage: 2,000

I HAVE A 2010 TOYOTA PRIUS AND HAVE EXPERIENCED THE SAME ISSUE RECENTLY BEING REPORTED. WHILE BRAKING, WHEN GOING OVER A POTHOLE, BUMP OR WET SURFACE, THE CAR APPEARS TO LUNGE FORWARD FOR A SECOND. THIS HAS RECURRED AT LEAST 10 TIMES SINCE I PURCHASED THE CAR IN AUGUST, 2009. *TR

I OWN A 2010 TOYOTA PRIUS..PURCHASED IN AUGUST 2009...CURRENTLY GOING FOR 15K MILES ON THE ODOMETER. I WANT TO REPORT ISSUES WITH SUDDEN ACCELERATION EVEN WHEN I AM STEPPING ON THE BRAKE. I NOTICED EVERY TIME I PASS THRU UNEVEN ROAD, FOR EXAMPLE POTHOLES, ICY ROADS, SNOW. THE MOST COMMON ISSUE I HAVE IS AS I AM GOING DOWN THE ROAD AND CAR HITS A POTHOLE OR MANHOLE (THOSE WITH METAL COVERS) THE CAR WILL SUDDENLY ACCELERATE, ALTHOUGH I AM STEPPING ON THE BRAKE. SOMETIMES I AM AFRAID I WILL HIT THE CAR IN FRONT OF ME, ESPECIALLY WHEN IM IN TRAFFIC. EVEN GOING AT 5-15 MPH, THE CAR WILL ACCELERATE WHEN IT HITS UNEVEN ROAD LIKE POT HOLES OR ICY ROADS. THIS HAS HAPPEN QUITE A FEW TIMES SINCE I PURCHASED THE VEHICLE. JUST YESTERDAY, WE HAD ABOUT 1-2 INCHES OF SNOW. I WAS DRIVING SLOW AND WHEN MAKING A LEFT TURN, THE CAR HIT SOME UNEVEN ROAD AND SNOW AND ACCELERATED WHEN I WAS STEPPING ON THE BRAKE TO MAKE THE TURN. THE CAR WENT UP THE SIDEWALK AND THE BUMPER CRACKED AS IT HIT THE CONCRETE EDGE THAT SEPARATES THE ROAD AND THE SIDEWALK. NO ONE WAS HURT AND NO PROPERTY DAMAGE WAS DONE. THE CAR IS WORKING FINE, BUT THIS SUDDEN ACCELERATION ISSUE IS A MAJOR CONCERN, ESPECIALLY NOW THAT I READ AND HEAR IN THE NEWS THAT 2010 TOYOTA PRIUS ARE BEING REPORTED WITH COMPLAINTS OF SUDDEN ACCELERATION. I THOUGHT MY ISSUE WAS AN ISOLATED CASE. PLEASE TAKE THIS COMPLAINT INTO ACCOUNT. I WILL BE GOING TO THE DEALERSHIP THIS WEEKEND FOR THE 15K SCHEDULED MAINTENANCE AND WILL REPORT THE ISSUE TO THEM. *TR

Mileage: 15,000

I PURCHASED MY 2010 PRIUS IN NOV 2009. AS ADMITTED BY TOYOTA THIS FEB 4, 2010, WHILE BRAKING, I HAVE MOMENTARILY LOST BRAKING AND THE PRIUS LURCHED FORWARD. *TR

Mileage: 2,000

MY TOYOTA 2010 PRIUS (PURCHASED IN MASSACHUSETTS IN AUGUST, 2009), HAS ISSUES WITH THE BRAKES. GOING OVER BUMPY OR SNOWY/ICY ROADS, THE BRAKES WHEN APPLIED DON'T SEEM TO GRAB PROPERLY - THEY ARE SLOW AND UNEVEN IN RESPONSE TO BRAKE PEDAL PRESSURE . . . I NOTIFIED MY DEALER AND WAS TOLD THERE WAS NOTHING WRONG. NOW I AM HEARING ABOUT DESIGN FLAWS WITH BRAKES IN THIS MODEL, AND I AM CONCERNED. WHAT DO I DO? *TR

Mileage: 5,500

SUDDEN BRAKE LOSS. WHEN BRAKING AND WHEN THE CAR IS AT LOW SPEED, IF THE CAR HITS A BUMP OR MANHOLE COVER OR SNOW, SUDDENLY THE BRAKES NO LONGER WORK. *TR THIS HAPPENS ONCE A WEEK. I HAVE EXPERIENCED IT 10 TIMES IN TWO MONTHS.

Mileage: 2,230

I PURCHASED A 2010 PRIUS IN SEPTEMBER 2009. WITHIN THE FIRST FEW DAYS OF DRIVING I EXPERIENCED A DISCONNECT WHEN I WOULD HIT THE BRAKE WHEN GOING OVER A BUMP. THIS HAS HAPPENED AT LEAST 20 TIMES SINCE. I AM CONTACTING THE DEALER BUT I HAVE NOT DRIVEN THE CAR VERY MUCH BECAUSE I AM UPSET ABOUT MY SAFETY AS WELL AS OTHERS ON THE ROAD. *TR

Mileage: 20

I HAVE A 2010 PRIUS, 3D GEN, BASIC PKG. FIVE DAYS AGO, I REAR-ENDED A CAR STOPPED ON AN ENTRANCE RAMP TO RT. 15 IN NJ. I HIT THE BRAKES -- AND THE CAR SHUDDERED FORWARD AS IF ITS WHEELS HAD SEIZED UP. THIS PRIUS HAS HAD INTERMITTENT BRAKING PROBS SINCE I BOUGHT IT LAST AUGUST. USUALLY, THIS HAPPENS ON A ROUGH ROAD OR DURING A SUDDEN DECELERATION. THE BRAKES FEEL AS THO THEY'VE LOCKED, AND THE CAR ALMOST BOUNCES TO A STOP, RATHER THAN BRAKING QUICKLY AND SMOOTHLY. I TOLD THE DEALER -- AND THEY TOLD ME NOTHING WAS WRONG (INFERRING IT WAS MY PROBLEM -- THAT I'M A LOUSY DRIVER.) I REPORTED THE BRAKE PROBLEM AGAIN AFTER THIS ACCIDENT, AND WAS TOLD AGAIN THERE WAS NO PROBLEM. NEWS REPORTS NOW SUGGEST - THERE IS A PROBLEM. (BTW - MY CAR HAS ALSO DONE SOME BRIEF SPURTS OF ACCELERATION, WHICH IS ODD IN ANY HYBRID. THEY USUALLY HAVE NO REAL PICK-UP.) I HAD NEVER BEFORE DRIVEN A PRIUS, SO I FIGURED THAT WAS HOW THE CAR RAN. PLEASE LET ME KNOW HOW TO DEAL WITH THIS? THE DEALER SAYS THEY'LL CHECK THE BRAKES - BUT THEY DON'T KNOW WHAT THEY'RE LOOKING FOR. ALSO - MY CAR INSURANCE RATES WILL GO UP BECAUSE OF THIS ACCIDENT, AND IT COST ME THE $500 DEDUCTIBLE. I'M DISGUSTED, TO SAY THE LEAST. I THOUGHT I'D BOUGHT THE HOLY GRAIL OF DESIGN EXCELLENCE & FUEL ECONOMY -- NEW AND IMPROVED 3D-GENERATION. I BOUGHT AN EXPENSIVE HEADACHE. *TR

Mileage: 5,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING 5 MPH DEPRESSING THE BRAKE PEDAL OVER A SPEED BUMP, THE VEHICLE LUNGED FORWARD AND THE VEHICLE PROCEEDED TO ACCELERATE. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THERE WAS A COMPUTER GLICH THAT CAUSED THE FAILURE TO OCCUR. THE FAILURE MILEAGE WAS 5,000.

Mileage: 5,000

I HAVE A 2010 PRIUS IV AND CAN CERTAINLY SAY THAT I HAVE FELT SEVERAL TIMES A BIT OF "BRAKE-LOSS" ON THIS VEHICLE. BY THAT, I MEAN THAT AT TIMES I HAVE TO PUSH DOWN MUCH HARDER ON THE BRAKE PEDAL TO COME TO A STOP. THIS HAPPENS AT RANDOM TIMES AND CAUSES ME A BIT OF NERVOUSNESS AS A FEW TIMES I CAME CLOSE TO HITTING THE CAR IN FRONT OF ME. THIS TENDS TO HAPPEN AS I AM COMING TO A STOP, NOT DURING HIGH-SPEED BRAKING. I WOULD ESTIMATE THAT THIS HAS HAPPENED AT LEAST 10 TIMES DURING 4,000 MILES OF DRIVING. *TR

Mileage: 4,000

BRAKES SUDDENLY LURCH, ESPECIALLY WHEN THERE IS SNOW OR UNEVEN SURFACE (POTHOLE), FIRST NOT CATCHING AND THEN CAUSING BRIEF MORE SUDDEN BRAKING. THIS IS AS IF THE ABS IS NOT WORKING PROPERLY. THIS HAS HAPPENED ABOUT 3-4 TIMES SINCE PURCHASE OF CAR ABOUT 12/5/09. *TR

Mileage: 500

I AM EXPERIENCING A LOSS OF BRAKING POWER, DURING SLOWER SPEED STOPS OR ATTEMPTS TO SLOW DOWN. THE PROBLEM OCCURS AT GENERALLY LESS THAN 20 MPH. I APPLY THE BRAKES AND THE CAR BEGINS TO SLOW, HOWEVER, IF I HIT A BUMP OR POTHOLE, THE CAR FEELS LIKE IT IS ACCELERATING AND/OR LOSING BRAKING POWER, DESPITE MY FOOT REMAINING ON THE BRAKE PEDAL. I AM ABLE TO REGAIN BRAKING BY FURTHER PRESSING THE BRAKE PEDAL. THE ACCELERATION/LOSS OF BRAKING FEELS LIKE IT'S COMING FROM THE REAR WHEELS OF THE CAR AND AT LEAST IN MY EXPERIENCE FEELS LIKE THE PROBLEM ONLY OCCURS WHEN THE REAR WHEELS GO OVER THE BUMP OR INTO THE POTHOLE. A SIMILAR LOSS OF BRAKING HAS NOT OCCURRED WHEN THE FRONT WHEELS GO OVER BUMPS OR POTHOLES AT LOWER SPEEDS. THE BRAKING LAPSE CAUSES MY STOPPING DISTANCE TO BE LENGTHENED. THIS LOSS OF BRAKING POWER HAS OCCURRED SEVERAL TIMES SINCE I BOUGHT MY CAR IN JULY 2009. I FIRST NOTICED THE PROBLEM IN THE FALL OF 2009 AND IT MOST RECENTLY HAPPENED THIS PAST MONDAY (2/1/2010). THE PROBLEM DOES NOT APPEAR TO OCCUR AT HIGHER SPEEDS, SUCH AS ON A HIGHWAY OR MAIN ROAD. I WAS NOT CARRYING ANY CARGO OR ADDITIONAL WEIGHT IN THE VEHICLE DURING ANY OF THE INCIDENTS. *TR

Mileage: 8,200

SLOWING DOWN WHILE APPROACHING A LEFT TURN LANE, HIT A POTHOLE AND LOST BRAKING POWER FOR ABOUT 0.5S. *TR

Mileage: 9,900

PURCHASE 2010 PRIUS IN NOV 2009. ON SMOOTH HIGHWAY ( NY LIE ) TRAVELING 70MPH TO PASS A CAR. GENTLY APPLIED BRAKE TO SLOW DOWN BUT THE PRIUS LURCHED FORWARD FOR 2-3 SECONDS ( 200 - 300 FEET ). ALMOST HIT CAR IN FRONT OF ME. *TR

Mileage: 2,100

2010 PRIUS: WHEN APPLYING BRAKING PRESSURE ON SLIPPERY PAVEMENT THERE IS A NOTICEABLE LAG BEFORE BRAKING ACTION OCCURS. THIS CAN ALSO OCCUR ON GRAVEL ROADS ON WASHBOARD SURFACES. *TR

Mileage: 3,500

SINCE BUYING A 2010 PRIUS IN JUNE, I HAVE EXPERIENCED THREE "SURGING" EVENTS WHILE BRAKING AS I DECENDED HILLS. TWO INVOLVED SITUATIONS INVOLVING HITTING ROAD DEPRESSIONS, WHICH ALMOST CAUSED ME TO GO THROUGH TRAFFIC LIGHTS, ONE INVOLVED A ROAD COVERED WITH 1-2 INCHES OF SNOW, WHICH ALMOST PROPELLED ME INTO ONCOMING TRAFFIC AT A STOP SIGN. ALL SITUATIONS OCCURRED AS I WAS DESCENDING HILLS AND SLOWING SPEED BY BRAKING. THE FIRST INCIDENT OCCURRED IN THE SUMMER, THE LAST YESTERDAY. I REPORTED THIS TO MY DEALER, WHO HAD NO INFORMATION ON IT FROM TOYOTA, BUT ADVISED ME TO FILE A COMPLAINT WITH TOYOTA, WHICH I DID, CASE #1002106542. *TR

Mileage: 3,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED AS HE WAS STOPPING HIS VEHICLE, HE HIT A BUMP IN THE ROAD WHILE DEPRESSING THE BRAKE THE VEHICLE LURCHED FORWARD AND ACCELERATED. THE VEHICLE WAS TAKEN TO THE DEALER AND CONTACT WAS TOLD THIS WAS NORMAL AND IT IS THE ELECTRICAL ENGINE SWITCHING TO THE GAS ENGINE. THE CONTACT STATED THAT THIS IS A CONTINUOUS PROBLEM WHILE STOPPING THE VEHICLE. THE FAILURE MILEAGE WAS 8,800.

Mileage: 8,800

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHENEVER SHE ATTEMPTS TO STOP ON AN UNEVEN ROAD, THE BRAKES FAIL TO STOP THE VEHICLE. WHENEVER THE FAILURE OCCURRED THE SPEED VARIES. THE VEHICLE ALSO BRIEFLY LUNGED FORWARD AND ACCELERATED. THE BRAKES SQUEAK CONTINUOUSLY WHEN THE VEHICLE IS DRIVEN. THE VEHICLE WAS TAKEN TO THE DEALER WHO CONFIRMED THAT THE VEHICLE WAS FUNCTIONING NORMALLY SINCE IT HAS AN ELECTRICAL ENGINE COMBINED WITH A GASOLINE ENGINE. THE FAILURE MILEAGE WAS 18,000.

Mileage: 18,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT WAS DRIVING APPROXIMATELY BETWEEN 35-40 MPH AND ENCOUNTERED A BUMP IN THE ROADWAY. THERE WAS PRESSURE APPLIED TO THE BRAKE PEDAL, FOLLOWED BY NO POWER RESPONSE FOR A FEW SECONDS. THE VEHICLE RESUMED TO NORMAL OPERATION. IN ADDITION, THERE WAS AN EXCESSIVE KNOCKING NOISE COMING FROM THE ENGINE DURING THE START UP WHICH OCCURRED ON TWO SEPARATE OCCASIONS. THE VEHICLE HAD NOT BEEN INSPECTED FOR THE MALFUNCTION. THE FAILURE MILEAGE WAS 15,000.

Mileage: 15,000

AS I WAS APPLYING MY BRAKE MY CAR WENT OVER A BUMP, MOST LIKELY A MAN HOLE COVER, FOR A SPLIT SECOND I FELT LIKE THE BRAKES STOPPED WORKING, THEN IT WENT BACK TO NORMAL. *TR

Mileage: 500

TOYOTA PRIUS ACCELERATES AFTER HITTING POTHOLES. CANNOT SLOW VEHICLE AS BRAKES DON'T WORK IMMEDIATELY. THIS PROBLEMS IS RANDOM AND DOES NOT OCCUR ON A REGULAR BASIS. *TR

Mileage: 5,000

BRAKING POWER MOMENTARILY STOPS WHEN HITTING A BUMPY SURFACE SUCH AS POT HOLE OR UNEVEN ROAD SURFACE. EVEN PRESSURE CAUSES MOMENTARY LOSS OF BRAKING POWER BUT POWER RETURNS AFTER A SECOND AND BRAKING RESUMES. *TR

Mileage: 7,500

INCIDENT 1: WEATHER CONDITION - COLD AND DRY. ROAD CONDITION - BUMPY, WASHBOARD JUST BEFORE A STOP SIGN PRESSED ON BRAKE PEDAL, CAR SLOWED UNTIL WASHBOARD SECTION OF ROAD CAME UP, THEN BRAKE SEEMED TO DISAPPEAR BRIEFLY AND THEN CAR STOPPED. VERY FRIGHTENING. IF THERE WAS SOMEONE IN FRONT OF ME I WOULD HAVE HIT THEM. NO INJURIES, NO CRASH. INCIDENT 2 WEATHER CONDITION: SNOW, SNOW FALLING, 1" ON ROADWAY. LOCATION: PARKING LOT. CAME AROUND CORNER VERY SLOWLY DUE TO WEATHER CONDITIONS. ABS CAME ON EARLY WHEN APPLYING BRAKES AND THE BRAKES APPEARED NOT TO WORK FOR A BRIEF TIME AND THEN THEY WORKED BUT STOP WAS MUCH LONGER THAN IT SHOULD HAVE BEEN. I ALMOST HIT A WALL. *TR

Mileage: 6,500

01/13/2010 - I WENT TO THE SERVICE DEPT AT TOYOTA OF WALLINGFORD TO COMPLAIN ABOUT THE LOSS OF BRAKES IN A NEW 2010 TOYOTA PRIUS WHILE DRIVING OVER UNEVEN GROUND. I HAD OWNED THE CAR ONE MONTH WITH 1500 MILES ON THE ODOMETER. THE LOSS OF CONTROL OF THE CAR IS TERRIFYING BECAUSE THE CAR SEEMS TO ACCELERATE FORWARD. THE SERVICE ATTENDANT WAS AWARE OF THE ISSUE AND DESCRIBED THE SITUATION. HE TOOK THE CAR ON A TEST DRIVE. HE ASSURED ME IT WAS NOT A SAFETY ISSUE. *TR

Mileage: 1

I OWN A 2010 TOYOTA PRIUS. WHEN I APPLY THE BRAKES, THE CAR JERKS FORWARD BEFORE STOPPING. I AM VERY CONCERNED ABOUT THE SOFTWARE PROBLEM IN THE ABS SYSTEM AND WANT THE NHTSA TO DEMAND THAT TOYOTA FIX THE 2010 PRIUS BRAKES. THE PROBLEM WITH THE JERKING BRAKES HAPPENS FREQUENTLY, AND HAS HAPPENED AT LEAST 40 TIMES OVER THE PAST 4 MONTHS. *TR

Mileage: 100

I OWN A 2010 PRIUS AND PURCHASED IN 5/2009. I SIMPLY WANT TO CONFIRM THAT THE BRAKES SEEM DISENGAGED WHEN GOING OVER BUMPS AND STUTTER BUMPS, AND THIS IS SHORT LIVED. FOR ME, THIS WAS NOT ENOUGH OF AN ISSUE TO INITIALLY COMPLAIN. HOWEVER, I COULD SEE THAT IF THERE WAS A SERIES OF STUTTER BUMPS, I MIGHT LOSE BRAKING ALTOGETHER. *TR

Mileage: 1

I PURCHASED MY 2010 PRIUS ON AUGUST 4TH, 2009 AND ALMOST IMMEDIATELY NOTICED ISSUES WITH THE BRAKES. I DISTINCTLY REMEMBER DRIVING IN THE CAR ON THIS DATE WITH MY WIFE AS WE WERE ON OUR WAY BACK FROM HER ULTRASOUND. I JUST GOT OFF THE HIGHWAY AND THERE WAS A RED LIGHT AHEAD WITH SEVERAL CARS STOPPED AT IT. I APPLIED THE BRAKES SLOWLY AND STEADILY, AS I NORMALLY DO, BRAKING WITH PLENTY OF TIME TO STOP. AS I APPROACHED THE LAST CAR AT THE STOP LIGHT I ENCOUNTERED A POT HOLE AND THE BRAKES DISENGAGED. I COULD FEEL THE CAR WAS NO LONGER DECELERATING. I HAD TO SLAM ON THE BRAKES AND BARELY AVOIDED SLAMMING IN TO THE CAR AHEAD OF ME, STOPPING WITH LITERALLY AN INCH BETWEEN OUR BUMPERS. SINCE THAT DATE I HAVE ENCOUNTERED THIS EXACT SAME SCENARIO SEVERAL TIMES A MONTH AND HAVE COME CLOSE TO AN ACCIDENT 2 TO 3 TIMES. *TR

Mileage: 1,000

I HAVE NOTED A BRAKING ISSUE WITH MY 2010 TOYOTA PRIUS V EQUIPPED WITH A NAVIGATION SYSTEM. THE BRAKES DO STOP THE CAR, BUT SEEM TO DELAY STOPPING THE CAR AFTER THE APPLYING THE BRAKE. THE CAR WAS PURCHASED IN AUGUST 2009. I HAVE NOT BEEN CONTACTED BY TOYOTA. *TR

Mileage: 300

OUR 2010 PRIUS BOUGHT IN OCTOBER 2009 FAILED TO STOP IN TIME AND GOT INTO AN ACCIDENT IN NOVEMBER 2009. WE HAD SUSPECTED A BRAKE ISSUE SINCE WE BOUGHT THE CAR BUT WERE NOT CONCERNED UNTIL NOW THAT TOYOTA HAS ACKNOWLEDGED THIS ISSUE WITH BRAKES, WE WANT TOYOTA TO FIX THIS ISSUE AND ISSUE A RECALL. *TR

Mileage: 4,000

ON FIVE SEPARATE OCCASIONS, WHEN APPLYING THE BRAKE TO STOP AT AN INTERSECTION THE CAR WOULD INITIALLY BEGIN TO SLOW DOWN AND THEN, WHILE THE BRAKE IS STILL BEING APPLIED FEEL LIKE IT SKIPPED OR ACCELERATED FOR ANOTHER 10-15 FEET BEFORE STOPPING. THE TERM SCARY COULD BE APPLIED TO THE SUDDEN FEELING OF HAVING THE CAR ACCELERATE WHEN THE BRAKES ARE BEING APPLIED. *TR

Mileage: 100

SOMETIMES WHEN OUR 2010 PRIUS HITS A POTHOLE, ICE CHUNK OR OTHER BUMPY ROAD CONDITIONS WE WILL VERY TEMPORARILY LOSE BRAKING POWER. IT SEEMS TO OCCUR AS THE TRACTION CONTROL OR ANTI-LOCK KICKS IN. THIS HAS NOT BEEN A ONE TIME INCIDENT, BUT ALSO DOES NOT OCCUR EVERY TIME. *TR

Mileage: 5,000

MY 2010 PRIUS LOSES BRAKING FOR A SPLIT SECOND WHEN GOING OVER A POT HOLE. I'VE NOTICED THIS A COUPLE OF TIMES. *TR

Mileage: 10,000

I PURCHASED A 2010 PRIUS ON JANUARY 18, 2010. WITHIN 1 WEEK OF THE PURCHASE, THE CAR HAD HYDROPLANED TWO TIMES. EACH TIME, I THOUGHT I HAD HIT "BLACK ICE" AS THERE HAD BEEN RAINY/COLD CONDITIONS THAT EVENING.THE FEELING I HAD WAS THAT THE CAR SURGED FORWARD MOMENTARILY AS I WAS DRIVING SLOWLY OR SLOWING DOWN. THESE 2 INCIDENTS HAPPENED WITHIN A MILE OF EACH OTHER. I WAS DRIVING VERY SLOWLY AT THE TIME. I CALLED THE DEALER, NORTHBROOK TOYOTA, AND REPORTED THE PROBLEM TO THE SALESMAN. THE PROBLEM HAPPENED AGAIN A WEEK LATER WHEN THE SURGED FORWARD AS I PASSED OVER WHAT LOOKED LIKE A SLICK SEWER CAP. *TR

Mileage: 350

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT THE BRAKES WERE ULTRA-SENSITIVE AND WHEN SHE LIGHTLY DEPRESSED THE PEDAL, THE VEHICLE WOULD JERK AS IF SHE MADE AN ABRUPT STOP. OTHER TIMES, SHE HAD TO PUSH THE BRAKE PEDAL EXTREMELY HARD TO STOP THE VEHICLE. SHE CALLED THE DEALERSHIP AND WAS TOLD THAT IT WAS NOT A PROBLEM. SHE HAD NOT CONTACTED THE MANUFACTURER TO-DATE. THE VEHICLE HAD NOT BEEN REPAIRED AT THE TIME OF THE COMPLAINT. THE CURRENT MILEAGE WAS 1,218. THE FAILURE MILEAGE WAS APPROXIMATELY 1,200.

Mileage: 1,200

BRAKING DOES NOT OCCUR IMMEDIATELY ON OCCASION ON TOYOTA 2010 PRIUS. TRACTION LIGHT EVEN COMES ON AS IF YOU ARE SKIDDING. THIS HAS OCCURRED SEVERAL TIME FOR ME SINCE OWNING THE CAR IN SEPT 2009. I HAVE HAD A PRIUS FROM EACH GENERATION (THIS IS MY THIRD PRIUS) - THIS DID NOT OCCUR IN THOSE. DID CALL DEALER ON THIS. EXACT DATES NOT KEPT BUT WILL PUT AN ESTIMATE OF LAST TIME BELOW. *TR

Mileage: 6,000

UNDER CERTAIN CONDITIONS MY 2010 TOYOTA PRIUS MOMENTARILY LOOSES ITS BRAKES. I TOOK DELIVERY IN OCTOBER, 2009. *TR

Mileage: 2,000

I PURCHASED A 2010 TOYOTA PRIUS IN DECEMBER 2009. I LIVE IN DULUTH MINNESOTA WHERE THE STREETS ARE HILLY, BUMPY, AND OFTEN ICY. AT LEAST TWICE A DAY, AS I'M COMING DOWN A HILL TOWARD A STOP SIGN AND APPLY THE BRAKES, I NOTICE THE BRAKES SEEM TO GIVE OUT (I.E., CEASE TO FUNCTION) FOR A BRIEF INTERVAL, PERHAPS A SECOND OR TWO. DURING THIS BRIEF INTERVAL, THE CAR SEEMS TO SURGE FORWARD. I REPORTED THIS TO THE DEALER THIS MORNING AND THEY SAID NO FIX IS YET AVAILABLE. *TR

Mileage: 1,200

PROBLEM VEHICLE: 2010 TOYOTA PRIUS PURCHASED IN SEPTEMBER 2009. WHEN FOOT IS ON OR OFF BRAKE AT SPEEDS < APPROX 45 MPH, AND A LARGE BUMP/POT HOLE/ETC IS TRAVERSED, THE BRAKES FAIL FOR ABOUT A SECOND (WHICH FEELS LIKE AN UNCONTROLLED ACCELERATION). FOR THAT SECOND THE CAR IS UNCONTROLLED. THIS HAS HAPPENED AT LEAST 15 TIMES SINCE SEPTEMBER 2009. THIS IS ESPECIALLY DANGEROUS IS SUDDEN BRAKING IS REQUIRED OR ROAD CONDITIONS ARE HAZARDOUS. *TR

Mileage: 500

WHEN BRAKING AT SLOW SPEEDS AND ON BUMPY ROADS, THE CAR WILL SURGE FORWARD A BIT RATHER THAN STOP AS EXPECTED. *TR

2010 PRIUS BRAKING ISSUE. I HAVE FELT THE LOSS OF BRAKING WHILE GOING OVER POTHOLES ATLEAST 4 TIMES SINCE I HAVE OWNED MY 2010 PRIUS SINCE LAST YEAR. *TR

Mileage: 3,000

I BOUGHT A 2010 PRIUS V ON 10-31-09. ON SEVERAL OCCASIONS, I HAVE EXPERIENCED THE TEMPORARY LOSS OF BRAKING NOW MAKING NEWS. I'VE NOTICED IT AT LEAST A HALF DOZEN TIMES ON SNOWY OR ICY ROADS. MISTAKENLY ATTRIBUTING THE ZERO SLOWING TO BEING ON BLACK ICE, I PUMPED THE BRAKES. THE BRAKES IMMEDIATELY TOOK EFFECT AND SLOWED THE CAR. THE IMMEDIATE RESPONSE UPON PUMPING THE BRAKES, PLUS THE NUMBER OF TIMES THIS HAS HAPPENED IN JUST THE HANDFUL OF TIMES I'VE DRIVEN ON SLICK ROADS, TELLS ME IT WASN'T BLACK ICE AT ALL. PLEASE DO SOMETHING ABOUT THIS. THANKS. *TR

Mileage: 300

2010 TOYOTA PRIUS. BRAKES WOULD NOT WORK AT LOW SPEED WHEN APPROACHING AN INTERSECTION COVERED WITH SAND/ GRAVEL FROM RECENT SNOW ABATEMENT WORK. CAR ROLLED THROUGH STOP SIGN. *TR

Mileage: 2,000

LOSS OF BRAKING CAPABILITY ON ROUGH SURFACE OR BUMPS. *TR

Mileage: 540

WHEN DRIVING MY CAR THE BRAKES DON'T ALWAYS SEEM TO RESPOND IMMEDIATELY. OCCASIONALLY, BUT NO ALWAYS, THE CAR WILL FAIL TO BRAKE WHEN PEDAL IS DEPRESSED AND SEEMS TO MOVE FORWARD FASTER BEFORE FINALLY BRAKING. IT IS SPORADIC AND WHEN I FIRST ASKED A DEALERSHIP THEY SAID I WAS JUST UNACCUSTOMED TO PRIUS BRAKING SYSTEMS AND THAT OVER TIME I WOULD BECOME MORE FAMILIARIZED. THIS HAS HAPPENED SEVERAL TIMES AND EACH TIME THE VEHICLE WAS AT A LOW VELOCITY = 35MPH. *TR

Mileage: 5,013

WHILE BRAKING ON A DOWNHILL ROAD AND APPROACHING A SIGNAL LIGHT, I HIT A POTHOLE AND THE MOMENTARILY LOST BRAKING POWER AND THE VEHICLE LURCHED FORWARD. I CONTINUED TO APPLY THE BRAKES AND THEY ENGAGED AGAIN. FORTUNATELY, I WAS DECELERATING AND THERE WERE NO OTHER VEHICLES IN FRONT OF ME. I CONCERNED THAT THIS COULD OCCUR AGAIN WITH OTHER CONSEQUENCES. *TR

Mileage: 1,500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT WAS DRIVING APPROXIMATELY 35 MPH ON AN UNEVEN ROAD SURFACE APPROACHING A TRAFFIC SIGNAL WHEN THE VEHICLE LUNGED FORWARD IMMEDIATELY AFTER THE BRAKE PEDAL WAS ENGAGED. THE DRIVER HAD TO APPLY EXCESSIVE FORCE TO THE BRAKE PEDAL TO STOP THE VEHICLE. THE FAILURE OCCURRED WHENEVER ENCOUNTERING AN UNEVEN ROAD SURFACE AND POTHOLES. THE FAILURES OCCURRED ON THREE SEPARATE OCCASIONS. THE VEHICLE WILL BE TAKEN TO AN AUTHORIZED DEALER FOR INSPECTION. THE FAILURE MILEAGE WAS 1,800.

Mileage: 1,800

BRAKE WAS NOT WORKING WHEN APPLIED TRYING TO SLOW DOWN ON A SNOW COVERED FROZEN ROAD AT ABOUT 25MPH. IT'S NOT FOR A STOP OR SUDDEN BRAKING. *TR

Mileage: 340

I HAVE A 2010 PRIUS AND AM HAVING BRAKING PROBLEMS WHEN DRIVING OVER POT HOLES, BUMPY SERVICES, OR DOWN HILLS. THE 2010 PRIUS RELEASES THE BRAKES WHEN DRIVING OVER THESE SURFACES AND HAS BECOMES DANGEROUS TO ME AND MY FAMILY. I ALSO LIVE ON A RATHER STEEP HILL AND WHEN TRAVELING DOWN THE HILL ANY DEBRIS ON THE SURFACE OF THE ROAD SUCH AS LEAVES CAUSES THE BRAKES TO GIVE WAY. "PLEASE HELP" "PLEASE HELP". *TR

Mileage: 11,820

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHEN HE HIT A BUMP IN THE ROAD OR A POTHOLE AND DEPRESSED THE BRAKE PEDAL, THE BRAKES SEEMED TO RELEASED OR LET GO; INSTEAD OF SLOWING DOWN, THE VEHICLE WOULD CONTINUE MOVING AT THE SAME SPEED. HE NOTICED THE ISSUE ON AN INTERMITTENT BASIS AND ONLY WHEN ON A ROUGH OR BUMPY SURFACE. HE HAD NOT TAKEN THE VEHICLE TO THE DEALERSHIP BUT CALLED; HE WAS TOLD THAT THEY WERE LOOKING INTO THE PROBLEM. HE HAD NOT CALLED THE MANUFACTURER TO-DATE. THE VEHICLE HAD NOT BEEN REPAIRED AT THE TIME OF THE COMPLAINT. THE CURRENT MILEAGE WAS APPROXIMATELY 7,200. THE FAILURE MILEAGE WAS APPROXIMATELY 2,100.

Mileage: 2,100

TL* THE CONTACT HAS A 2010 PRIUS. THE VEHICLE IS HAVING A BRAKE FAILURE WHEN GOING OVER BUMP OR UNEVEN PAVEMENT. THE CONTACT STATED THAT THIS HAPPENS REGARDLESS OF WEATHER CONDITIONS. THE VEHICLE ALMOST HIT ANOTHER VEHICLE WHEN GOING AROUND A CURVE AND HIT A BUMP. THE VEHICLE THEN SEEM TO START TO SLIDE. THE FAILURE MILEAGE WAS 5000. THE VEHICLE CURRENT MILEAGE WAS 15858.

Mileage: 5,000

DURING THE FIRST SNOWFALL IN DEC 09 I WAS DRIVING MY WIFE'S 2010 PRIUS BECAUSE I WANTED TO TAKE THIS NEW CAR OUT TO SEE HOW IT WOULD PERFORM IN ICY CONDITIONS. AS I APPROACHED A ROUNDABOUT/TRAFFIC CIRCLE AT LESS THAN 10 MPH THE BRAKES DID NOT RESPOND AT FIRST. I NEARLY REAR ENDED THE SUV THAT WAS STOPPED AT THE CIRCLE. THE GROUND WAS COVERED IN ICE. I HAD TO SPIN THE CAR AT AN ANGLE TO AVOID HITTING THE SUV. I AM NOW READING THAT OTHER PEOPLE HAVE HAD THE SAME PROBLEM. I READ THAT TOYOTA HAS ADDRESSED THAT THERE IS A PROBLEM BUT HAS NOT ISSUED A RECALL. I HAVE EXPERIENCED BRAKE SLIPPAGE/NOT ENGAGING WHEN FIRST PRESSING ON THE BRAKES 6-10 TIMES WITH THIS CAR. APPLYING THE BRAKES OVER POTHOLES SEEM TO HAVE THE SAME EFFECT BUT IT SEEMS MORE DANGEROUS THAT THIS HAPPENS ON ICY ROADS SINCE I LIVE IN THE FROZEN TUNDRA OF GREEN BAY WISCONSIN. *TR

Mileage: 6,000

TL* THE CONTACT HAS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT IF HE TRIES TO STOP AND HIT A BUMP OR POTHOLE THE BRAKES SEEM TO RELEASE. WHEN GOING DOWN A HILL ON A BUMPY ROAD THE VEHICLE WAS UNABLE TO STOP UNTIL THE VEHICLE REACH A SMOOTH PATCH OF ROAD. THE FAILURE MILEAGE WAS 800 AND CURRENT MILEAGE WAS 4000.

Mileage: 800

THIS IS IN REFERENCE TO MY 2010 TOYOTA PRIUS WHICH HAS ON SEVERAL OCCASIONS EXHIBITED THE MOMENTARY LOSS OF BRAKING WHEN THE PEDAL IS DEPRESSED AND I HIT A BUMP. THIS HAS OCCURRED THREE SEPARATE TIMES SINCE JULY OF 2009 WHEN I PURCHASED A NEW PRIUS FROM SUNRISE TOYOTA IN OAKDALE NY. *TR

Mileage: 500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE APPROACHING A DRIVEWAY AT SPEEDS UNDER 10 MPH AND MAKING A LEFT TURN, THE BRAKES FAILED MOMENTARILY. WITHIN SECONDS THE BRAKES BECAME TO FUNCTION NORMALLY. THE DEALER WAS NOTIFIED AND THE CONTACT IS AWAITING REPAIRS. THE FAILURE AND CURRENT MILEAGES WERE UNDER 200.

Mileage: 200

MY 2010 TOYOTA PRIUS WAS PURCHASED IN JULY 2009. WHEN I TRY TO BRAKE ON A BUMPY ROAD THE BRAKES FAIL AND THE CAR ACTUALLY MOMENTARILY ACCELERATES. *TR

Mileage: 20

I HAVE NOTICED AN ISSUE WITH THE BRAKES NOT WORKING FOR A SECOND WHEN I AM GOING DOWNHILL IN THE PARKING GARAGE, AND GOING OVER A SPEED BUMP, WHEN I GO OVER THE BUMP WHILE THE BRAKES ARE SLIGHTLY PRESSED, IT MOMENTARILY LOSES BRAKING AFTER GOING OVER THE BUMP. I THINK IT IS AN ISSUE WITH SWITCHING FROM REGENERATIVE BRAKING, TO REGULAR MECHANICAL BRAKING. I AM ABLE TO REPEAT THE ISSUE CONSISTENTLY IN ONE LOCATION IN A PARKING STRUCTURE THAT I PARK IN. I NOTICED IT AROUND OCT 2009 AND HAVE BEEN NOTICING IT SINCE THEN. *TR

Mileage: 3,000

I PURCHASED A 2010 TOYOTA PRIUS (MODEL V) IN AUGUST 2009 AND HAVE HAD ISSUES WITH THE BRAKES EVER SINCE THEN. WHEN DRIVING ON ROUGH OR UNEVEN PAVEMENT, IF I DEPRESS THE BRAKE TO SLOW DOWN, THE CAR SEEMS TO SKID OR ALMOST SHOOT FORWARD INSTEAD OF BRAKING. THE END RESULT IS THAT INSTEAD OF IMMEDIATELY STOPPING, THE CAR ENDS UP SLIDING FOR ABOUT A SECOND BEFORE STOPPING, WHICH COULD OBVIOUSLY LEAD TO AN ACCIDENT GIVEN THE EXTRA DISTANCE THE CAR IS TRAVELING INSTEAD OF BRAKING IMMEDIATELY. AFTER THIS HAPPENED REPEATEDLY ON A STREET NEAR MY HOME IN SAN FRANCISCO, I TOOK THE CAR TO THE TOYOTA DEALER FROM WHICH I BOUGHT IT ON NOVEMBER 24, 2009 (CITY TOYOTA IN DALY CITY). AFTER EVALUATING THE CAR OVERNIGHT, THEY GAVE ME A WRITTEN REPORT (A COPY OF WHICH I'M HAPPY TO PROVIDE) AND TOLD ME THAT IT HAD SOMETHING TO DO WITH THE ANTILOCK BRAKES BUT SAID IT WAS A "NORMAL CHARACTERISTIC OF [THE] VEHICLE." NOTE THAT WHILE THEY WERE LOOKING AT MY PRIUS, THEY GAVE ME ANOTHER LOANER 2010 PRIUS (MODEL III) AND THAT CAR HAD THE EXACT SAME ISSUE (ALSO NOTED ON THEIR WRITTEN REPORT). AFTER LISTENING TO THE NEWS AND SEEING AN ARTICLE THIS MORNING WHERE TOYOTA ADMITTED THERE WERE BRAKING ISSUES WITH 2010 PRIUS CARS MADE BEFORE JANUARY 2010, I BECAME EXTREMELY CONCERNED ABOUT THE SAFETY OF MY CAR AND POTENTIAL FOR AN ACCIDENT. I ALSO UNDERSTAND THAT THERE ARE OVER 100 COMPLAINTS FOR THE SAME ISSUE AND WANT TO ADD MY EXPERIENCE TO THAT LIST TO ENSURE THAT TOYOTA DOES A PROPER RECALL OF MY 2010 PRIUS TO FIX THE ISSUE. I'M ALSO EXTREMELY ANNOYED THAT I WAS TOLD BY A DEALER THAT THIS WAS A "NORMAL" CONDITION ONLY TO FIND OUT NOW THAT IT'S ABSOLUTELY NOT NORMAL AND THAT THERE ARE A SIGNIFICANT NUMBER OF INDIVIDUALS THAT HAVE EXPERIENCED THE SAME PROBLEM, SOME OF WHICH HAVE CAUSED ACCIDENTS. I JUST WANT THE PROBLEM CORRECTED. *TR

Mileage: 500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WITH HIS FEET ON THE BRAKE PEDAL WHILE DRIVING 20 MPH OVER A BUMP IN THE ROAD OR A POTHOLE THE VEHICLE LUNGED FORWARD AND ACCELERATED. THE DEALER HAS NOT DIAGNOSED THE FAILURE AND IT OCCURS MORE FREQUENTLY. THE FAILURE MILEAGE WAS 200.

Mileage: 200

2010 TOYOTA PRIUS. CAR SEEMS TO SURGE FORWARD WHEN BRAKING ON ROUGH PAVEMENT SUCH AS POTHOLES. ALSO HAPPENED ONCE ON A WET DAY WHEN A FRONT WHEEL SLIPPED ON THE PAINTED STOP LINE BEFORE AN INTERSECTION. WE TOOK DELIVERY OF THE CAR IN JUNE 2009 AND THE FIRST INCIDENT WAS IN JULY 2009. *TR

Mileage: 600

I HAVE A 2010 TOYOTA PRIUS PURCHASE IN 9/2009. WHEN I SLOW DOWN TO STOP AND GO OVER A BUMP IT FEELS AS THOUGHT THE POWER BREAKS GO OUT AND THE VEHICLE SURGES FORWARD. THIS HAS OCCURRED SINCE WE PURCHASED THE VEHICLE. THE ORIGINAL EXPLANATION WAS THAT WE JUST NEED TO GET USED TO THE TRANSITION FROM GASOLINE POWER TO ELECTRIC POWER. HOWEVER, I DON'T FEEL THAT IS SUFFICIENT AS IT IS A VERY DANGEROUS SURGE. *TR

Mileage: 5

WHEN SLOWING TO A RED LIGHT ON MD 212 AT US RT 1 IN BELTSVILLE, MD, MY 2010 TOYOTA PRIUS ROLLED OVER A BUMPY STRETCH OF ROAD AND THE REGENERATIVE BRAKES STOPPED BRAKING. THE CAR ROLLED FORWARD IN "FREE WHEEL" FASHION UNTIL I STOMPED ON THE BRAKES HARD AT WHICH POINT THE FRICTION BRAKES KICKED IN AND STOPPED THE VEHICLE IN TIME TO AVOID AN ACCIDENT WITH THE VEHICLE IN FRONT OF ME. THE TRACTION CONTROL INDICATOR LAMP LIT, AND REMAINED LIT UNTIL I RELEASED THE BRAKES TO ACCELERATE WHEN THE LIGHT TURNED GREEN. SEEMS TO BE THE SAME PROBLEM EVERYONE IS REPORTING IN THE NEWS THIS MORNING. I'VE HAD THE CAR 1.5 WEEKS, AND THIS IS THE FIRST TIME I'VE NOTICED THE PROBLEM, ALTHOUGH MY WIFE CLAIMS IT HAPPENED TO HER DURING OUR TEST DRIVE. *TR

Mileage: 390

2010 PRIUS BRAKE PROBLEMS. *TR

Mileage: 4,000

MY CURRENT 2010 PRIUS HAS THE "JUMP" ISSUE WITH THE BRAKES, BUT THIS IS NOT THE FIRST TIME THAT THIS HAS HAPPENED WITH THE PRIUS. MY 2002 PRIUS HAD THE SAME ISSUE, AND I WAS NOT THE ONLY ONE. I WAS A MEMBER OF A PRIUS YAHOO GROUP, AND THIS WAS A TOPIC OF DISCUSSION FOR A WHILE. SO WHILE I DO FEEL THE "JUMP" I JUST THOUGHT IT WAS PART OF THE PRIUS EXPERIENCE. WHENEVER I DRIVE OVER A POTHOLE, IT FEELS LIKE THE CAR IS TRYING TO JUMP IT. WHEN HITTING THE BRAKES, IT FEELS LIKE THERE IS ACCELERATION FOR JUST A SECOND. THIS IS NOT AN INTERMITTENT PROBLEM. IT HAPPENS EVERY TIME. *TR

Mileage: 100

WE TOOK THIS STATEMENT FROM THE NHTSA PRESS RELEASE WITH TODAY'S DATE, WHICH IS A 100% ACCURATE DESCRIPTION OF OUR PROBLEM: "MOMENTARY LOSS OF BRAKING CAPABILITY WHILE TRAVELING OVER AN UNEVEN ROAD SURFACE, POTHOLE OR BUMP" THIS IS NOT A ONE-TIME EVENT AS WE'VE NOTICED IT HAPPENING NUMEROUS TIMES SINCE PURCHASING THE PRIUS IN AUGUST 2009. THE HESITATION WE'VE EXPERIENCED USUALLY OCCURS WHEN DRIVING DOWN A STEEP HILL OR PASSING OVER A POTHOLE. *TR

Mileage: 500

I HAVE A NEW GEN III 2010 PRIUS II AND HAVE NOTICED THAT WHEN BRAKING THE CAR SEEMS TO SURGE FORWARD BEFORE DECELERATING WHEN I HIT A SERIES OF BUMPS OR A POTHOLE. IT IS UN-NERVING IN THAT EVEN AT SLOW SPEEDS LIKE WHEN COMING TO A STOP AT A STOP LIGHT, THE CAR WANTS TO CONTINUE FORWARD WITH AN UNCONTROLLED BURST. I HAVE CHANGED MY DRIVING SLIGHTLY TO GIVE MY SELF MOVE STOPPING ROOM, BUT SOMETIMES THERE IS A SERIES OF BUMPS IN THE ROAD AND IT JUST HAPPENS. I HAVE 10,000 MILES ON THE VEHICLE AND THIS HAS HAPPENED ABOUT 8 TO TEN TIMES TO ME, USUALLY WHEN I'M NOT EXPECTING ANYTHING TO HAPPEN BUT A SLOW BRAKING STOP. AS AN INCIDENT DATE IS REQUESTED, I AM PUTTING IN JUST ONE OF THE DATES THAT THIS OCCURRED, I HAVE NOT KEPT A RECORD OF THE DAYS, TRAVEL CONDITIONS, OR TIMES THAT THE INCIDENTS OCCURRED. THIS HAPPENS EVERYTIME MY WIFE DRIVES OVER A PARTICULAR SET OF TRAIN TRACKS NEAR WHERE WE LIVE. ALSO THIS OF COURSE HAS HAPPENED OVER TIME AND THE MILEAGE GIVEN IS ACTUALLY FROM THE DAY WE GOT IT TILL NOW, THIS IS AN ON GOING EVENT. *TR

Mileage: 10,000

OUR 2010 TOYOTA PRIUS HAS EXPERIENCED THE LOSS OF BRAKE ACTION, OR THE SENSATION OF SPEEDING UP, WHEN GOING OVER A BUMP, OCCASIONALLY AROUND CORNERS AND ON UNEVEN SURFACES. *TR

Mileage: 400

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHILE DRIVING 10 MPH AND ENGAGING THE BRAKE PEDAL, THE VEHICLE BRIEFLY ACCELERATED ON ITS OWN AND THE BRAKES MALFUNCTIONED. THE FAILURE HAS OCCURRED 10 TIMES SINCE THE VEHICLE WAS PURCHASED. THE DEALER WAS CONTACTED AND THEY STATED THAT WAS A SAFETY FEATURE. NO REPAIRS WERE MADE TO THE VEHICLE. THE FAILURE MILEAGE WAS 500 AND THE CURRENT MILEAGE WAS 4826.

Mileage: 500

I HAVE A 2010 TOYOTA PRIUS. WHEN I AM BRAKING AND I HAPPEN TO HIT A BUMP IN THE ROAD, MY CAR LURCHES FORWARD WHILE MY FOOT IS ON THE BRAKE. I HAVE NOT HAD AN ACCIDENT, BUT IT HAS BEEN CLOSE A COUPLE OF TIME. THIS BEGAN HAPPENING ALMOST IMMEDIATELY AFTER I BOUGHT THE CAR. I BOUGHT IT IN JULY 2009. INCIDENTS OCCURRED BETWEEN AUGUST 2009 AND CONTINUE THROUGH THE PRESENT. P.S. I DON'T KNOW WHAT TYPE OF BRAKES THEY ARE: AIR, HYDRAULIC OR ELECTRIC - I JUST PICKED ONE. *TR

Mileage: 250

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHEN THE CONTACT ATTEMPTED TO APPLY THE BRAKES WHILE DRIVING ON A SLIPPERY SURFACE THE BRAKES DID NOT FULLY ENGAGE WHICH INCREASED THE STOPPING DISTANCE. THE DEALER WAS UNABLE TO REPRODUCE THE FAILURE. THERE WERE NO PRIOR WARNINGS. THE CURRENT AND FAILURE MILEAGES WERE 5000. UPDATED 03/09/10. *LJ UPDATED 05/13/10

Mileage: 5,000

MY 2010 TOYOTA PRIUS LURCHES WHEN GOING OVER A ROUGH PATCH OF ROAD WHILE I'M USING THE BRAKES. THERE IS A PARTICULAR PATCH OF ROAD NEAR MY HOME WHERE THIS HAS HAPPENED REPEATEDLY. *TR

Mileage: 2,000

WHENEVER I HIT A BUMP WHILE APPLYING BRAKES ON MY 2010 TOYOTA PRIUS, THE BRAKES STOP WORKING FOR A SHORT INTERVAL (ABOUT A SECOND). I FIRST NOTICED THIS ISSUE ABOUT TWO MONTHS AGO WHILE DRIVING TO A DOCTOR APPOINTMENT. THERE WAS A SMALL, UNAVOIDABLE POTHOLE ABOUT 200 FEET BEFORE A TRAFFIC LIGHT. THE LIGHT HAD TURNED RED, AND I WAS BRAKING AS I HIT THE POTHOLE. TO MY SURPRISE, MY PRIUS LURCHED FORWARDED NEARLY HITTING THE CAR IN FRONT OF ME. FORTUNATELY, THE BRAKES RE-ENGAGED AS I ATTEMPTED TO BRAKE HARDER. I HAVE HAD TO TRAVEL THAT SAME ROAD 3X A WEEK FOR THE PAST TWO MONTHS, AND THE PROBLEM IS CONSISTENT AND OCCURS EVERY TIME I HIT THAT BUMP WHEN BRAKING. I HAVE SINCE NOTICED IT AT OTHER TIMES, ALWAYS WHEN I HIT A BUMP AND AM BRAKING. THE BRAKING LAG IS SUBSTANTIAL ENOUGH TO HAVE ALMOST CAUSED ME TO GET IN AN ACCIDENT ON SEVERAL OCCASIONS. THE BUMPS THAT HAVE TRIGGERED IT HAVE NOT BEEN ANYTHING OUTSIDE OF WHAT IS VERY COMMON TO DRIVING. I HAVE CALLED THE DEALERSHIP, AND THEY ACKNOWLEDGE THAT THERE IS NO REPAIR OFFERED AT THIS TIME (BUT CLAIM THAT THEY EXPECT ONE IN A FEW WEEKS). THEY HAVE OFFERED ME A RENTAL CAR FOR A FEW WEEKS. *TR

Mileage: 7,500

MOMENTARY LOSS OF BRAKING WHEN PASSING OVER BUMP IN ROAD WHILE BRAKING FOR STOP LIGHT. THIRD TIME I HAVE PERSONALLY WITNESSED THIS MOMENTARY LOSS OF BRAKING. *TR

Mileage: 6,500

I HAVE A 2010 PRIUS AND AM ALSO HAVING BRAKE PROBLEMS. THE BRAKES INTERMITTENTLY SEEMS TO SLIP FOR A COUPLE SECONDS. IT SEEMS TO HAPPEN AT LOW SPEEDS, ON HILLS, AND IN THE MIDDLE OF THE TIME I AM PRESSING ON THE BRAKE. IT HAS HAPPENED BOTH WHILE CONTINUOUSLY PRESSING THE BRAKE AND ALSO AS I EASE OFF THE PRESSURE ON THE BRAKE. THE BEHAVIOR IS OCCASIONAL, BUT RECURRING. *TR

Mileage: 4,000

ON THREE OCCASIONS, MY 2010 PRIUS "LEAPT FORWARD" WHEN I DROVE OVER A MAN-HOLE COVER. I HAVE READ THE DESCRIPTION OF THE BRAKING ISSUE ON THE 2010 PRIUS AND IT SOUNDS EXACTLY LIKE MY EXPERIENCE. IT ONLY LASTS FOR A FRACTION OF A SECOND, BUT IT IS QUITE FRIGHTENING WHEN IT HAPPENS. *TR

Mileage: 3,500

THE FOLLOWING DESCRIBES EXACTLY THE PROBLEM: " .... MOMENTARY LOSS OF BRAKING CAPABILITY WHILE TRAVELING OVER AN UNEVEN ROAD SURFACE, POTHOLE OR BUMP." I'VE HAD THIS HAPPEN SEVERAL TIMES SINCE I PURCHASED MY PRIUS IN NOV 2009, MOST RECENTLY THIS MORNING ON THE WAY TO WORK (GOING DOWN HILL!) ON THE ROAD. I'VE NEVER HIT ANYONE OR ANYTHING BUT THE RISK OF THAT HAPPENING IS THERE AND MUST BE ADDRESSED WITH A RECALL & REPAIR. *TR

Mileage: 2,525

THREE SEPARATE OCCASIONS OF MOMENTARY LOSS OF BRAKING GOING OVER ROUGH SURFACE (TWO DIFFERENT LOCATIONS) ON DRY ASPHALT. EACH TIME THE BRAKING RESUMED AFTER A SHORT MOMENT, AS THE BRAKE PEDAL WAS KEPT PRESSED. WHEN THE BRAKES WENT OUT, IT FELT AS IF THE CAR STARTED LURCHING FORWARD, CAUSING MOMENTARY PANIC WITH THE DRIVER AND THE PASSENGERS. LUCKILY THERE WAS STILL TIME TO GET TO A COMPLETE STOP BEFORE IMPACT. *TR

Mileage: 5,000

WE PURCHASED A 2010 PRIUS IN JUNE AND TOOK IT IN FOR SERVICING IN DECEMBER. AT THAT TIME WE REPORTED EXACTLY THE SAME PROBLEM THAT IS NOW IN THE NEWS -- WHEN BRAKING AT LOW SPEED THE VEHICLE OCCASIONALLY LURCHES FORWARD FOR AN INSTANT BEFORE SLOWING DOWN. AT THE TIME WE REPORTED IT, THE DEALER SAID THAT IT WAS JUST THE TRANSITION FROM ELECTRIC TO GAS AT THE MOMENT WE APPLIED THE BRAKES. IT NOW APPEARS TO BE A MORE SERIOUS PROBLEM SO I AM WRITING TO ADD OUR EXPERIENCE TO YOUR FILES. THIS PROBLEM DOES NOT HAPPEN OFTEN, BUT IT IS UNSETTLING WHEN IT DOES SINCE THE DRIVER DOES NOT EXPECT THE CAR TO ACCELERATE, EVEN MOMENTARILY, DURING BRAKING. IN A TIGHT SITUATION OR HEAVY TRAFFIC, THIS COULD EASILY CAUSE AN ACCIDENT. SO FAR WHEN IT HAS HAPPENED, THERE HAVE BEEN NO CONSEQUENCES, BUT IT IS SOMETHING WE WORRY ABOUT. THE DATE BELOW IS THE DATE WE REPORTED THE PROBLEM TO OUR TOYOTA DEALER. *TR

Mileage: 5,000

BRAKES ON 2010 PRIUS SOMETIMES ARE "JERKY". THE PEDAL FEELS DIFFERENT AND I REQUIRE LESS OR MORE PRESSURE TO GET THE CAR TO BRAKE. OCCASIONALLY WHEN I PRESS THE BRAKE THE CAR JERKS TO A STOP INSTEAD OF A SLOW, CONTROLLED STOP. I HAVE BEEN DRIVING FOR OVER 20 YEARS & THE FEELING IS SIMILAR TO HOW I FELT IN LEARNING TO DRIVE WHEN I DIDN'T KNOW HOW MUCH PRESSURE TO USE ON THE BRAKE PEDAL. BOUGHT CAR IN OCTOBER 2009 - PROBLEM NOTED ABOUT 10 TIMES SINCE THAT DATE. *TR

Mileage: 100

I'VE EXPERIENCE BRAKING PROBLEMS WITH MY 2010 PRIUS. AS OTHERS HAVE REPORTED I TOO HAVE HAD AT LEAST A DOZEN INCIDENTS IN WHICH I AM APPLYING THE BRAKES AND THERE IS EITHER A BUMP IN THE ROAD OR MORE OFTEN A POTHOLE. USUALLY THIS HAS BEEN WHEN I WAS APPROACHING A STOP SIGN AND BRAKING MODERATELY. THE EXPERIENCE IS SUCH THAT THE BRAKES SEEM TO DISENGAGE AT THE TIME IN WHICH I HIT THE POTHOLE OR BUMP AND THE CAR LURCHES FORWARD FOR JUST A SPLIT SECOND. TO ME IT FEELS LIKE GOING OVER AN ICE PATCH AND THE SENSATION IS SIMILAR TO HYDROPLANING AS WELL. THIS HAS NOT CAUSED ANY ACCIDENT BUT DOES CONTRIBUTE TO A FEELING OF LOSE OF CONTROL AND CAUSES YOU TO POSSIBLY STOP A LITTLE LATER THAN YOU INTENDED TO. I HAVE 10,000 MILES ON THIS CAR AND HAVE HAD IT SINCE AUGUST 2009. I ALSO EXPERIENCE ANOTHER BRAKING ISSUE. SPORADICALLY WHEN I START THE CAR AND THE ENGINE HAS NOT COME ONE AND THE CAR IS ONLY USING BATTERY, THE BRAKES SEEM TO HAVE NO PLAY IN THE PEDAL. THE CAR STARTS TO MOVE AND WHEN I TAP THE BREAKS THEY JUST LOCK WITH A THUD AND THE PEDAL GOES ALL THE WAY TO THE FLOOR. I THEN RE STEP ON THE BRAKES AND THEY WORK PROPERLY AND FEEL NORMAL. THIS USUALLY HAPPENS IN MY DRIVEWAY OR PARKING LOTS AND MY FIRST REACTION IS THAT I HIT SOMETHING BECAUSE THE CAR SLAMS TO A STOP. *TR

Mileage: 8,000

TOYOTA PRIUS 2010. PROBLEM REPORTED TO DEALER 12-18-2010. BRAKES BECOME INOPERATIVE WHEN PASSING OVER UNEVEN SURFACES, VEHICLE ALSO AT THIS TIME VEHICLE LURCHES FORWARD. THIS OCCURS FREQUENTLY. CONTRARY TO YOUR FORM REQUIREMENTS THERE IS NO ONE "APPROXIMATE INCIDENT DATE". SHIFTER SOMETIMES IS DIFFICULT TO PUT INTO NEUTRAL, RATHER IT WILL INSTEAD GO FROM DRIVE TO REVERSE. IF THERE IS ALSO A SUDDEN ACCELERATION PROBLEM, THIS COULD BE A BIG PROBLEM WHEN TRYING TO REGAIN CONTROL. *TR

Mileage: 100

I HAVE HAD MY 2010 PRIUS FOR ABOUT 45 DAYS, AND ON THREE OCCASIONS WHILE TRAVELING OVER BUMPY SURFACES AND VERY FIRMLY APPLYING THE BRAKES, I NOTICED A LACK OF STOPPING POWER FOR ABOUT HALF A SECOND RIGHT AFTER I HIT A BUMP. THEY WEREN'T TINY BUMPS, BUT THEY WEREN'T CRATERS EITHER. THE TRACTION OF MY TIRES DID NOT SEEM TO BE IMPAIRED. IT FELT LIKE THE BRAKES JUST LET OFF FOR A FRACTION OF A SECOND. *TR

Mileage: 1,500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. HE STATED THAT WHILE DEPRESSING THE BRAKE PEDAL AT SPEEDS OF 10-15 MPH AND GOING OVER A ROCK OR A SPEED HUMP, THE BRAKES WOULD LOOSE TRACTION MOMENTARILY. THE DEALER WAS CONTACTED AND ADVISED THAT WAS A NORMAL FUNCTION OF THE ABS BRAKING SYSTEM. NO REPAIRS WERE MADE TO DATE. THERE WERE NO RECALLS. THE FAILURE AND CURRENT MILEAGES WERE UNDER 5100.

Mileage: 5,100

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHEN DRIVING OVER A ROUGH SURFACE WHILE DEPRESSING THE BRAKE PEDAL THE VEHICLE ACCELERATED; HOWEVER, THE FAILURE DID NOT RECUR ON SMOOTH ROAD SURFACES. THE FAILURE OCCURRED ON A WEEKLY BASIS. HE CALLED THE DEALER AND WAS TOLD THAT THERE WAS NOTHING THEY COULD DO TO REPAIR THE VEHICLE UNTIL THE MANUFACTURER ADVISED THEM. THE VEHICLE IDENTIFICATION NUMBER WAS UNAVAILABLE. THE CURRENT MILEAGE WAS APPROXIMATELY 5,000. THE FAILURE MILEAGE WAS APPROXIMATELY 20.

Mileage: 20

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING 30 MPH THE VEHICLE BECAME DIFFICULT TO STOP WHEN HE DROVE OVER SPEED BUMPS. THE CONTACT STATED THAT WHEN THE VEHICLE SURGED FORWARD IT FELT AS IF HE LOST BRAKING ABILITY. THE CONTACT HAS NOT TAKEN THE VEHICLE TO THE DEALER TO HAVE THE FAILURE DIAGNOSED. THE FAILURE HAS OCCURRED SINCE THE VEHICLE WAS PURCHASED. THE CONTACT IS CONCERNED THAT A CRASH COULD OCCUR IF THE VEHICLE CONTINUES TO LUNGE FORWARD. THE FAILURE MILEAGE WAS 4,500.

Mileage: 4,500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE VEHICLE BEGAN TO ACCELERATE WITHOUT WARNING WHILE DRIVING APPROXIMATELY 15 MPH OVER A POTHOLE. THE CONTACT WAS FORCED TO APPLY EXTREME PRESSURE TO THE BRAKE PEDAL IN ORDER TO STOP THE VEHICLE. THE DEALER ADVISED THE CONTACT THAT THE VEHICLE WILL CONTINUE TO RESPOND THAT WAY WHENEVER THE ELECTRICAL ENGINE SWITCHED TO THE GASOLINE ENGINE. THE FAILURE MILEAGE WAS 3,000.

Mileage: 3,000

PRIUS 2010 "SKIDDED" AT SLOW SPEED ON COLD ROADWAY TWICE. JUST PURCHASED THE CAR IN OCTOBER. *TR

Mileage: 1,130

I HAVE EXPERIENCED BRAKING ISSUES WITH A 2010 PRIUS PURCHASED IN JULY '09. WHILE BRAKING ON ICE OR SNOW WHEN FIRST DEPRESSING THE BRAKE PEDAL FOR LIGHT BRAKING NOTHING HAPPENS, NO BRAKING. WHEN THEN DEPRESSING THE BRAKE PEDAL MORE FIRMLY BRAKING THEN STARTS SUDDENLY BUT MORE AGGRESSIVE THAN DESIRED. THIS PROBLEM OCCURS ON ICE OR SNOW ONLY BUT I HAVE NOT DRIVEN ON EXTREME WASHBOARD OR GRAVEL ROADS. I HAVE HAD THE EXPERIENCE MORE THAN ONCE AND HAVE BEGUN TO ANTICIPATE IT HAPPENING REGULARLY ON ICE OR SNOW. *TR

Mileage: 3,700

ON MY 2010 TOYOTA PRIUS II (PURCHASED 9/30/2009, I HAVE NOTICED ON MULTIPLE OCCASIONS THAT WHILE I AM BRAKING, IF I HIT A POTHOLE, BUMP OR ROUGH PAVEMENT OF SOME TYPE, THE BRAKING SUDDENLY RELEASES FOR HALF-A-SECOND OR A SECOND. I AM MAINTAINING PRESSURE ON THE BRAKE PEDAL BUT WITH A BUMP, IT STOPS BRAKING MOMENTARILY. BECAUSE I TEND TO GIVE MYSELF A LOT OF ROOM TO BRAKE, NONE OF THESE INCIDENTS HAS LED TO AN ACCIDENT, BUT IT IS VERY DISCONCERTING. *TR

Mileage: 2,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHEN SHE WAS DRIVING OVER A SPEED BUMPS AND THE VEHICLE SUDDENLY ACCELERATED WITH HER FOOT ON THE BRAKE PEDAL. WHENEVER SHE DROVE THE VEHICLE THE FAILURE OCCURRED. SHE CALLED THE DEALER AND WAS ADVISED THAT THERE WAS NOTHING THEY COULD DO TO CORRECT THE FAILURE. SHE HAS NOT SPOKEN WITH THE MANUFACTURER TO-DATE. THE CURRENT MILEAGE WAS APPROXIMATELY 10,000. THE FAILURE MILEAGE WAS APPROXIMATELY 10.

Mileage: 10

I OWN A 2010 PRIUS PURCHASED IN JULY 2009. I HAVE ALSO (REGULARLY) FELT A SURGE FORWARD WHEN BRAKING AND HITTING A BUMP OR POTHOLE. BASED ON MY READINGS OF CHAT BOARDS I THOUGHT THIS WAS NORMAL, ALTHOUGH IT IS QUITE ALARMING WHEN IT HAPPENS. I'M NOT CONFIDENT THAT MY LOCAL TOYOTA DEALER WOULD BE ENTIRELY HONEST; WHEN I WAS IN FOR SERVICE DURING THE FLOORMAT BRAKE RECALL I OVERHEARD A SERVICE MANAGER TELLING A CUSTOMER IT WAS NOTHING TO WORRY ABOUT; IT WAS ONLY WHEN PEOPLE PUT NON-MANUFACTURER'S FLOORMATS ON TOP OF THE TOYOTA ONES THAT THERE WAS A PROBLEM (WHICH IS NOT MY UNDERSTANDING). I'D LIKE TO BE KEPT INFORMED OF THE STATUS OF THE INVESTIGATION IF AT ALL POSSIBLE. I'LL PUT IN EARLY AUGUST AS THE "INCIDENT DATE" BUT IT HAPPENS REGULARLY (AT LEAST ONCE A WEEK?) *TR

Mileage: 100

I AM THE OWNER OF A 2010 TOYOTA PRIUS PURCHASED NEW ON JANUARY 21, 2010. CAR HAS ABOUT 400 MILES ON THE ODOMETER. ON FEBRUARY 2, 2010 WHILE ATTEMPTING TO STOP AT A STOP SIGN, TRAVELING AT A SLOW RATE OF THE SPEED, THE BRAKES FAILED TO STOP THE CAR. AFTER SEVERAL ATTEMPTS TO APPLY THE BRAKES, THEY FINALLY STOPPED THE CAR NARROWLY MISSING CROSS TRAFFIC. THE PAVEMENT WAS SMOOTH AND SPEED WAS LESS THAN 25MPH. *TR

Mileage: 400

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE VEHICLE LUNGED FORWARD AND ACCELERATED WHILE THE CONTACT WAS DRIVING APPROXIMATELY 20 MPH AND ATTEMPTING TO ENGAGE THE BRAKE PEDAL. THE VEHICLE WAS DIAGNOSED BY THE DEALER WHO CONFIRMED THAT IT RESPONDED NORMALLY SINCE THE ELECTRICAL ENGINE SWITCHED OVER TO THE GASOLINE ENGINE. THE CONTACT OBSERVED THAT THE MALFUNCTION OCCURRED CONTINUOUSLY. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 17,000.

Mileage: 17,000

2010 PRIUS WITH ABS PROBLEM. ON UNEVEN SURFACES (I.E. POTHOLES) OR ICY ROADS I HAVE NOT HAD 3 EVENTS WHERE THE BRAKES WERE NOT EFFECTIVE. ONE SITUATION WAS SO BAD AND ALMOST CAUSED A SERIOUS ACCIDENT UNDER SNOW/ICY CONDITIONS THAT I BROUGHT THE CAR TO TOYOTA IMMEDIATELY. I HAVE A SERVICE RECORD OF THAT IN MID DECEMBER 2009. THE SERVICE DEPARTMENT KEPT MY VEHICLE FOR A COUPLE DAYS AND DID ICY ROAD TESTING BUT NEVER FULLY RECREATED THE SITUATION. I HAVE DOCUMENTATION FROM THE SERVICE DEPARTMENT ON THIS DESPITE THEIR NOT ACKNOWLEDGING A PROBLEM. I HAVE A LOT OF RECOLLECTION OF THE DETAILS LEADING UP TO THE 3 SCENARIOS THAT HAVE OCCURRED NOW AND CAN LIKELY GIVE GOOD INSIGHT. BTW, FROM THE STORIES I READ TODAY IN THE PRESS I THINK TOYOTA (AND THE STORIES) HAVE THE PROBLEM MOSTLY DESCRIBED. I STILL HAVE OTHER CONCERNS BASED ON MY EXPERIENCES FROM THE 3 EVENTS. *TR

Mileage: 9,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING SPEEDS OF LESS THAN 15 MPH OVER A POTHOLE, THE BRAKES MALFUNCTIONED AND RESET THEMSELVES WITHIN MINUTES WITHOUT HAVING TO SHUT THE ENGINE OFF. NEITHER THE MANUFACTURER NOR DEALER WAS CONTACTED. THERE WERE NO RECALLS. THE FAILURE AND CURRENT MILEAGES WERE 2200.

Mileage: 2,200

I HAVE NOTICED THE TEMPORARY LOSS OF BRAKING IN MY BRAND NEW 2010 TOYOTA PRIUS PURCHASED IN DECEMBER 2009. WHEN BRAKING ON UNEVEN GROUND, IF YOU HIT A POTHOLE IN THE ROAD THE CAR LURCHES FORWARD AND IT FEELS LIKE YOU HIT THE ACCELERATOR. PLEASE ENCOURAGE TOYOTA TO ADDRESS THIS ISSUE. *TR

Mileage: 1,800

2010 TOYOTA PRIUS BRAKE PROBLEM. THIS OCCURS WHEN HITTING A BRAKE WHEN ON SOME SORT OF ROUGH ROAD AREA, LIKE A POTHOLE OR A BUMP. IT FEELS LIKE EITHER THE BRAKE ISN'T ENGAGING OR IT'S SPEEDING UP. IT'S HARD TO TELL. EITHER WAY, IT'S SCARY AND IT CAN CAUSE AN ACCIDENT. FOR INSTANCE, IF YOU'RE DRIVING IN MANHATTAN AND YOU HIT A POTHOLE AS YOU BRAKE WITH A CAR IN FRONT OF YOU. (I WAS LUCKY WHEN THIS PROBLEM KICKED IN AND I HIT THAT POTHOLE AS THERE WAS NO CAR IN FRONT OF ME AT THE TIME.) THIS PROBLEM HAS HAPPENED TO ME CLOSE TO 10 TIMES NOW. PLEASE NOTE THAT THIS HAS HAPPENED NUMEROUS TIMES. IT HAPPENED WITHIN A COUPLE DAYS OF WHEN I GOT THE CAR. I DIDN'T SEE "BRAKES" ON YOUR LIST OF PARTS THAT WERE DEFECTIVE. I DID SEE "SERVICE BRAKES" IN 3 CATEGORIES, BUT I DIDN'T KNOW IF "SERVICE BRAKES" WAS SOME SPECIAL MEANING, NOR DID I KNOW WHICH KINDS OF BRAKES HAD THE PROBLEM (OR EVEN WHICH KIND THE CAR HAS). *TR

Mileage: 3,000

2010 PRIUS - CONFIRMING REPORTS ABOUT BRAKE FAILURE. AT THE COMPANY I WORK, THERE ARE RUMBLE STRIPS LEADING TO A GATE WHEN DEPARTING THE GROUNDS. I HAVE LEARNED TO SLOW WAY DOWN BEFORE HITTING THE RUMBLE STRIPS BECAUSE I ALMOST HIT THE BAR THAT RISES AT THE GATE THE FIRST FEW TIMES AFTER PURCHASING THE CAR LAST SUMMER (2009). THE BRAKES BRIEFLY FAIL THEN KICK IN AGAIN. HAVE NOT BEEN ON ROUGH TERRAIN BUT I'M SURE THIS WOULD OCCUR SIMILAR TO THE RUMBLE STRIPS. *TR

Mileage: 200

MY BRAKES QUIT WORKING IF A BRAKE ON LOOSE GRAVEL OR WHEN I HIT A BUMP AT LOW SPEEDS. SEEMS LIKE THE ABS IS TRYING TO WORK BUT FAILS TO KICK ON. *TR

Mileage: 200

I HAVE A 2010 PRIUS AND I HAVE EXPERIENCED FREQUENT BRAKING LOSS WHEN DRIVING OVER BUMPS WHILE BRAKING. THE BRAKES RELEASE MOMENTARILY. I HAVE EXPERIENCED THIS MANY TIMES!! IT IS DEFINITELY DANGEROUS. *TR

Mileage: 800

I OWN A 2010 PRIUS AND WHEN STOPPING GOING OVER A REASONABLE 'BUMP' THE BRAKES SEEM TO DISENGAGE SO YOU GET AN ACCELERATION FEELING WHICH CAUSES YOU TO REACT AND PRESS THE BRAKE AGAIN. IT SHAKES YOU WHEN IS HAPPENS BECAUSE YOU DON'T KNOW WHAT WILL HAPPEN! *TR

2010 PRIUS BOUGHT IN JULY OF 2009. SIMILAR PROBLEM TO WHAT IS CURRENTLY BEING INVESTIGATED. WHEN COMING TO A STOP (USUALLY FROM HIGHWAY SPEED) ON A ROAD WITH POTHOLES, THE CAR WILL HIT A POTHOLE AND WILL LURCH FORWARD, AS IF I HAD TAKEN MY FOOT OFF OF THE BRAKE. SO FAR, CONTINUED PRESSURE ON THE BRAKE PEDAL HAS ALWAYS STOPPED ME IN TIME. *TR

Mileage: 5,000

MY 2010 PRIUS HYBRID HAS A PROBLEM IN CERTAIN INSTANCES WHEN I APPLY THE BRAKES. THE FIRST TIME IT OCCURRED WAS WHEN I WAS APPLYING THE BRAKES TO STOP IN FRONT OF MY HOME. THERE WERE WET LEAVES IN THE STREET AND WHEN I APPLIED THE BRAKES, THERE WAS A MOMENT WHEN NOTHING HAPPENED. THEN IT FELT AS IF THE ABS SYSTEM ACTUATED AND MOMENTARILY THE BRAKES LOCKED UP AND THE CAR STARTED TO SKID, THEN THE ABS TOOK OVER AND THE CAR CAME TO A STOP. TRUTHFULLY I WAS FRIGHTENED. I HAVE OWNED THE VEHICLE SINCE SEPTEMBER, 2009 AND THIS HAS OCCURRED SEVERAL TIMES. I WAS LUCKY ONE TIME WHEN IT HAPPENED IN TRAFFIC WHEN THE VEHICLE IN FRONT OF ME STOPPED SUDDENLY. I WAS SURE I WAS GOING TO HIT THE OTHER VEHICLE BUT IT MOVED FORWARD FAR ENOUGH SO THAT I DID NOT HIT IT. I HAVE NOTICED THAT IT OCCURS MOST OFTEN WHEN THE STREET OR HIGHWAY IS ROUGH OR BUMPY IN THE AREA WHERE I AM BRAKING. IT IS ESPECIALLY TREACHEROUS HERE IN MINNEAPOLIS WHEN THE STREETS ARE SLICK FROM SNOW OR ICE. I CERTAINLY HAVE LEARNED TO GIVE THE OTHER CAR PLENTY OF ROOM SO THAT I WILL HAVE TIME TO BRAKE. HOWEVER THERE ARE OCCURRENCES, SUCH AS 4-WAY STOP SIGNS, WHERE IT IS ALMOST IMPOSSIBLE TO ALLOW ENOUGH SPACE. *TR

Mileage: 3,000

LIKE MANY OTHERS, I TOO HAVE EXPERIENCED THE BRAKE PROBLEM WITH THE 2010 PRIUS. WHEN GOING OVER A POTHOLE (WHILE USING THE BRAKE), THE BRAKE FAILS MOMENTARILY AND THE CAR LURCHES FORWARD. *TR

JUST WANTED TO ADD MY TWO CENTS WORTH THAT THE BRAKES ON MY 2010 PRIUS AREN'T RIGHT. WHEN I HIT A POTHOLE WHILE BRAKING, THE CAR LURCHES FORWARD A FEW MORE FEET. IT HAS ALMOST PUT ME INTO ONCOMING TRAFFIC A COUPLE OF TIMES. THIS HAS HAPPENED NUMEROUS TIMES. I PURCHASED MY CAR ON AUGUST 28, 2009. PLEASE LET ME KNOW WHEN REPAIRS AND ADJUSTMENTS WILL BE AVAILABLE TO THE PUBLIC. *TR

WHEN TRAVELING OVER A POTHOLE OR BUMP IN THE ROAD DURING BRAKE APPLICATION OF MY 2010 PRIUS, I SOMETIMES LOSE BRAKING POWER AND THE CAR WILL LUNGE FORWARD OR SEEM TO ACCELERATE. IT'S SCARY BUT THANKFULLY I'VE BEEN FAR ENOUGH AWAY FROM THE CAR IN FRONT OF ME THAT I HAVEN'T HIT IT. I DIDN'T KNOW WHETHER TO REPORT THIS UNTIL I HEARD OF THE COMPLAINTS THAT YOU WERE RECEIVING AND REALIZED THAT IT WAS A MAJOR PROBLEM. *TR

Mileage: 3,000

I BOUGHT A TOYOTA PRIUS V 2010. I HAVE COMPLAINED TO TOYOTA ABOUT THE BRAKING SYSTEM. I AM ALSO FILLING A FORMAL COMPLAINT WITH NHTSA. ALSO THE BACK AUTO DIMMING MIRROR DOESNT WORK PROPERLY. THEY CANT FIND A FIX. LANE KEEP ASSIST WORKS REALLY POORLY. I WOULD SAY I DOESNT WORK! ALSO BLUETOOTH SYSTEMS DOESNT WORK PROPERLY. THERE IS A DELAY IN ANSWERING THE CALL. *TR

Mileage: 5,000

I HAVE A 2010 TOYOTA PRIUS PURCHASED 2 NOVEMBER 2009 THAT IS HAVING THE BRAKING PROBLEM ON AN INTERMITTENT BASIS. SOMETIMES WHEN BRAKING, THE CAR WILL "LURCH" FORWARD WHEN IT SHOULD BE COMING TO A STOP. IT HAPPENS JUST BEFORE I EXPECT IT TO STOP, AND HAVE COMPENSATED BY BRAKING MORE SLOWLY IN ANTICIPATION OF STOPS. I WORRY ABOUT WHAT WOULD HAPPEN IN A SUDDEN, EMERGENCY STOP, HOWEVER. THANK YOU. (THE DATE BELOW IS JUST TO COMPLETE THE FORM; YOU SHOULD HAVE A CATEGORY FOR INTERMITTENT PROBLEMS THAT AREN'T TIED TO A PARTICULAR DATE.) *TR

Mileage: 2,500

WHEN APPROACHING A STOP SIGN AND APPLYING THE BRAKES OVER A ROUGH STRETCH OF PAVEMENT, THE BRAKES "STUTTERED" OR SEEMED TO MOMENTARILY FAIL AND THEN CATCH AGAIN WITH CONTINUED PRESSURE ON THE BRAKE PEDAL. CAR LURCHED FORWARD WHEN THIS HAPPENED. THIS HAS HAPPENED TWICE AT THE SAME INTERSECTION. *TR

Mileage: 1,525

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE THE CONTACT WAS DRIVING 20MPH THE CONTACT ATTEMPTED TO BRAKE AND NOTICED THAT THE BRAKES WOULD NOT ENGAGE FOR A SHORT PERIOD. THE VEHICLE WAS TAKEN TO THE DEALERSHIP WHERE THE CONTACT WAS INFORMED THAT THE FAILURE COULD NOT BE REPRODUCED. THERE WERE NO PRIOR WARNINGS AND THE CURRENT AND FAILURE MILEAGES WERE 5000.

Mileage: 5,000

IN SNOWY WEATHER I TRIED TO STOP ON SLIPPERY PAYMENT AT SLOW SPEEDS AT A FOUR WAY STOP. THE BRAKES LET GO FOR A FEW SECONDS BEFORE RECONNECTING. THIS HAS HAPPENED SEVERAL TIMES BEFORE ON BUMPY OR SLIPPERY PAVEMENT. IT NEVER LASTS FOR LONG, BUT IT DOES INCREASE STOPPING DISTANCE. *TR

Mileage: 4,850

I HAVE A 2010 PRIUS AND ON 2 DIFFERENT OCCASIONS I OBSERVED A BRIEF LACK OF BRAKING WHEN I HIT THE BRAKES. THE FIRST INCIDENT CAME AT A FREEWAY SPEED OF ABOUT 60 MPH AND I HAD TO HIT THE BRAKES HARDER THAN NORMAL AS TRAFFIC AHEAD OF ME WERE BRAKING DUE TO AN ACCIDENT. THE SECOND INCIDENT CAME IN A RESIDENTIAL AREA TRAVELING AT AROUND 35-40 MPH AND I HAD TO HIT THE BRAKES HARD AS A VEHICLE TURNED ON RED IN FRONT OF ME. ON BOTH OCCASIONS THE PAUSE MIRRORED THE DESCRIPTIONS THAT HAVE RECENTLY BEEN REPORTED IN THE MEDIA. THERE IS DEFINITELY A FLAW IN THE BRAKE DESIGN. *TR

Mileage: 6,500

WHILE DRIVING ON A SLICK ROAD. I TRIED TO BRAKE AND TURN INTO A PARKING LOT. BRAKE PEDAL FELT NON RESPONSIVE AND CAR HIT CURB, KNOCKING OFF THE WHEEL COVER AND SCUFFING THE RIM. *TR

I HAVE A 2010 PRIUS. ON AT LEAST THREE OCCASIONS, IN THE LAST SIX MONTHS, THE FOLLOWING HAS OCCURRED. WHEN I AM TRAVELING AND I APPLY BRAKE PRESSURE THE VEHICLE BEGINS TO ACCELERATE. NO MATTER HOW HARD I PRESS ON THE BRAKE PEDAL IT DOES NOT SLOW DOWN OR STOP THE VEHICLE. IT ACTUALLY BEGINS TO SPEEDS UP WHILE MY FOOT IS PRESSING DOWN ON THE BRAKE PEDAL. THE ACCELERATION HAS ONLY LASTED APPROXIMATELY 5-6 SECONDS. HOWEVER, IT IS VERY FRIGHTENING WHEN YOU ARE TRAVELING AT A HIGH RATE OF SPEED AND TRYING TO SLOW DOWN ESPECIALLY OFF A FREEWAY OFF RAMP. THE LAST THING YOU WANT TO DO AT THAT TIME IS ACCELERATE EVEN IF IT IS MOMENTARILY. THIS HAS OCCURRED IN VARIOUS PLACES. IT HAS HAPPENED WHILE I AM GETTING OFF OF THE FREEWAY AND ON CITY STREETS. THERE WAS NOTHING I DID IN PARTICULAR THAT CORRECTED THE FAILURE. THE PRIUS JUST STOPPED ACCELERATING ON IT'S OWN. *TR

Mileage: 10,000

2010 PRIUS DID NOT STOP EVEN THOUGH I PRESSED BRAKE HARD ENOUGH TO MAKE MY FOOT SORE. BRAKES HAD BEEN SQUEALING SLIGHTLY SINCE I PURCHASED CAR ON 12/30/09, BUT I THOUGHT IT WAS THE COLD. *TR

Mileage: 1,800

MY 2010 TOYOTA PRIUS BRAKE PROBLEM: TO BEGIN DRIVING MY PRIUS FROM A STOPPED POSITION ONE RELEASES THE BRAKE PEDAL BEFORE PRESSING THE ACCELERATOR PEDAL. QUITE OFTEN WHEN ATTEMPTING TO RELEASE THE BRAKE PEDAL ON MY PRIUS THERE WILL BE AN INSTANT JERK AND ANY VEHICLE MOVEMENT APPEARS TO BE DEAD LOCKED. AFTER SEVERAL ATTEMPTS IT WILL THEN APPEAR TO STRAIGHTEN OUT AND THEN DRIVING IS OK. CONSIDERING MY DRIVING HABITS, THIS IS VERY MUCH A SAFETY PROBLEM FOR ME, AND ALSO I DON'T TRUST THE CAR. *TR

Mileage: 451

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHEN SHE ATTEMPTED TO STOP THE VEHICLE BY ENGAGING THE BRAKE PEDAL WHILE DRIVING APPROXIMATELY 26 MPH OVER A POTHOLE, THE VEHICLE LUNGED FORWARD. THE DEALER CONFIRMED THAT THE VEHICLE WAS FUNCTIONING PROPERLY SINCE IT HAS AN ELECTRICAL ENGINE. THE FAILURE CONTINUED TO OCCUR AND HAS BECOME MORE CONSISTENT. THE FAILURE MILEAGE WAS 11,000.

Mileage: 11,000

ON ABOUT 5 OR 6 OCCASIONS, I HAVE EXPERIENCED A MOMENTARY LOSS OF BRAKING CAPABILITY IN MY 2010 TOYOTA PRIUS, WHICH I PURCHASED IN NOVEMBER, 2009. NO INJURIES OR ACCIDENTS OF ANY KIND HAVE OCCURRED AND THE LOSS OF BRAKING WAS FOR ONLY A SECOND OR SO, BUT WHEN I READ THE REPORTS TODAY OF NHTSA'S INVESTIGATION I KNEW THAT WHAT I HAD EXPERIENCED IS EXACTLY WHAT HAS BEEN DESCRIBED BY OTHERS. THIS INCIDENT HAS OCCURRED WHEN BRAKING AT A RELATIVELY LOW RATE OF SPEED (25MPH OR LESS) OVER A BUMPY, UNEVEN SURFACE IN WHICH BOTH FRONT TIRES ARE GOING OVER THE UNEVEN SURFACE. THE BRAKE PEDAL DEPRESSES AS NORMAL AND THE BRAKES BEGIN TO WORK, BUT AT THE MOMENT OF CONTACT WITH THE BUMPY AREA THE BRAKES STOP WORKING MOMENTARILY, CAUSING THE VEHICLE TO BEGIN MOVING FORWARD QUICKLY FOR JUST A SECOND. IT FEELS ALMOST LIKE THE VEHICLE IS SLIDING OR SPEEDING UP FOR JUST A SECOND BEFORE RESUMING A DESCENT IN SPEED. I ABSOLUTELY LOVE MY PRIUS AND IN ALL OTHER WAYS IT IS A GREAT VEHICLE, BUT I DID FEEL IT WAS IMPORTANT TO REPORT THIS INCIDENT GIVEN YOUR ONGOING INVESTIGATION. *TR

Mileage: 2,000

I HAVE HAD THE 2010 PRIUS FOR 2 MONTHS NOW. I HAVE EXPERIENCED THE BRAKE FAILURE WHEN GOING OVER POTHOLES (WHICH THERE ARE MANY OF IN LOS ANGELES) ABOUT 8 TIMES IN THE LAST 2 MOS. OVER A POTHOLE, I STEP ON THE BRAKE AND INSTEAD OF BRAKING MY CAR ACTUALLY ACCELERATES A LITTLE, AS IF THE POTHOLE IS PUSHING ME FORWARD. IT'S A LOSS OF CONTROL OVER THE VEHICLE FOR THOSE 1-3 SECONDS, AND IF ANOTHER CAR WERE IN FRONT OF ME NO DOUBT I'D HIT IT AS THE BRAKES FAIL. I THOUGHT IT WAS A PROBLEM WITH JUST MY CAR UNTIL I READ THE NEWS TODAY. *TR

Mileage: 100

I PURCHASED A 2010 TOYOTA PRIUS IV IN NOVEMBER OF 2009. WITHIN A WEEK OF DRIVING THE CAR I WAS MAKING A RIGHT TURN AT AN INTERSECTION AND DROVE OVER A POT-HOLE. WITHIN A SECOND OF HITTING THE POT-HOLE I FELT AS IF THE CAR SLID FORWARD WITHOUT RESISTANCE RATHER THAN FEELING IT BEING SLOWED BY THE BRAKES. A FEW SECONDS LATER THE CAR SEEMED TO RECOVER AND FEEL NORMAL. I EXPERIENCED THIS TWO MORE TIMES AT THE SAME INTERSECTION WHEN HITTING THE SAME POT-HOLE. I ALSO EXPERIENCED SOMETHING SIMILAR WEEKS LATER ON A DIFFERENT ROAD. MY WIFE REPORTED SIMILAR EXPERIENCES 3-4 TIMES. WE FELT THIS WAS CAUSED BY UNFAMILIARITY WITH THE CARS TRACTION CONTROL SYSTEM. THE RECENT NEWS REPORTS ON TOYOTA BRAKING PROBLEMS IS MAKING IS RECONSIDER. *TR

Mileage: 400

TL* THE CONTACT OWNS 2010 TOYOTA PRIUS. THE CONTACT STATED WHEN EVER THE VEHICLE GOES OVER A BUMP IN THE ROAD OR POTHOLE THE BRAKING SYSTEM WILL NOT SLOW THE VEHICLE DOWN EVEN THOUGH THE BRAKES ARE BEING APPLIED. ALSO THE CONTACT STATED THAT IT TAKES TO MUCH PRESSURE TO APPLY THE BRAKES FOR A NEW CAR. THE CONTACT TOOK THE VEHICLE TO A DEALER AND THE SERVICE TECH. DROVE THE VEHICLE AND INFORMED THE CONTACT THAT THE BRAKES WERE FINE AND THAT IS HOW THE VEHICLE IS DESIGNED AND TO APPLY MORE PRESSURE. THE CONTACT DOES NOT FEEL SAFE DRIVING THIS VEHICLE BECAUSE THE VEHICLE HIT A BUMP AND ACCELERATED IN TO A INTERSECTION WHILE THE BRAKES WERE APPLIED. FAILURE MILEAGE WAS 2.

Mileage: 2

EVERY TIME MY CAR HITS A POTHOLE, SPEEDBUMP WHILE BRAKING THE CAR FAILS TO RESPOND AND RESULTS IN A FORWARD LURCH ALMOST CAUSING COLLISIONS AND SAFETY HAZARDS FOR DRIVERS WITH THIS CAR. EVERY SINGLE TIME WHILE BRAKING AND HITTING UNEVEN PAVEMENT, POTHOLES, SPEEDBUMPS ETC. *TR

I PURCHASED A 2010 TOYOTA PRIUS IV IN NOVEMBER OF 2009. WITHIN A WEEK OF DRIVING THE CAR I WAS MAKING A RIGHT TURN AT AN INTERSECTION AND DROVE OVER A POT-HOLE. WITHIN A SECOND OF HITTING THE POT-HOLE I FELT AS IF THE CAR SLID FORWARD WITHOUT RESISTANCE RATHER THAN FEELING IT BEING SLOWED BY THE BRAKES. A FEW SECONDS LATER THE CAR SEEMED TO RECOVER AND FEEL NORMAL. I EXPERIENCED THIS TWO MORE TIMES AT THE SAME INTERSECTION WHEN HITTING THE SAME POT-HOLE. I ALSO EXPERIENCED SOMETHING SIMILAR WEEKS LATER ON A DIFFERENT ROAD. MY WIFE REPORTED SIMILAR EXPERIENCES 3-4 TIMES. WE FELT THIS WAS CAUSED BY UNFAMILIARITY WITH THE CARS TRACTION CONTROL SYSTEM. THE RECENT NEWS REPORTS ON TOYOTA BRAKING PROBLEMS IS MAKING IS RECONSIDER. PLEASE NOTE I PRESSED THE SUBMIT BUTTON TWICE. THE FIRST ONE PROVIDED ME CONFIRMATION NUMBER 10305515. I FAILED TO NOTICE AN ERROR WITH THE MODEL YEAR. I ENTERED 2009 INSTEAD OF THE CORRECT 2010. THEREFORE I SUBMITTED THE COMPLAINT A SECOND TIME WITH THE CORRECTED YEAR. SORRY FOR ANY INCONVENIENCE. *TR

Mileage: 400

BRAKE FAILURE - AS I DRIVE TO WORK EACH DAY THERE IS A PLACE WHERE I AM TURNING ONTO A DIFFERENT ROAD TO GET TO WORK. AS I APPROACH THE TURN I BRAKE TO SLOW DOWN AND I ALWAYS HIT A BUMP IN THE ROAD AND/OR A POTHOLE CLOSE TO THE INTERSECTION. AS I HIT THE AREA, MY CAR SHOOTS FORWARD AND IT FEELS LIKE I HAVE LOST MY BRAKES. I CAN RECOVER QUICKLY BY KEEPING MY FOOT ON THE BRAKE, BUT IF I WAS CLOSER TO THE INTERSECTION I COULD OVERSHOOT IT AND HIT SOMEONE OR SOMEONE COULD HIT ME. I MENTIONED IT TO THE SERVICE MANAGER WHEN I GOT MY FIRST OIL CHANGE AT 5000 MILES AND HE SEEMED VERY UNCONCERNED AND HE SAID IT WAS PROBABLY THE ABS BRAKES FAILING BECAUSE THE TIRE LOST CONTACT WITH THE ROAD. WELL I ALSO HAVE A 2002 HIGHLANDER AND HAVE NEVER HAD THE PROBLEM WITH THIS CAR. *TR

Mileage: 6,000

BRAKING PROBLEM NOTED WITH PRIUS 2010. ON UNEVEN PAVEMENT WHILE STRONGLY BRAKING, THE CAR LURCHES FORWARD FOR A MOMENT, PRIOR TO FINALLY BRAKING (FELT AS THOUGH IT WAS "SLIPPING" UNTIL IT CAUGHT THE PAVEMENT AGAIN). THIS HAS OCCURRED APPROXIMATELY 5 - 6 TIMES SINCE PURCHASE 07/31/09. CONTACTED SERVICE DEPT. IN 2009 BY PHONE, BUT THEY HAD NO OTHER COMPLAINTS. AT SOME LEVEL I WAS THINKING IT WAS JUST MY IMAGINATION OR SOME KIND OF HIGH TECH GLITCH THAT I HAD TO LIVE WITH. AT SERVICING IN JANUARY ALL SYSTEMS WERE ASSESSED WITHOUT ABNORMALITY, ALTHOUGH I DID NOT FORMALLY COMPLAIN ABOUT MY BRAKES AT THAT TIME. THE ISSUE REMAINS, AND I DO BELIEVE THAT IT IS A SAFETY ISSUE, AND THAT REAR-ENDING ANOTHER VEHICLE IS A REAL POSSIBILITY DUE TO LACK OF CONTROL. *TR

Mileage: 100

WHEN SLOWING FOR A STOP SIGN - I STRUCK A BUMP IN THE ROAD AND THE BRAKE DID NOT FEEL LIKE IT APPLIED FOR A QUICK MOMENT. IT CAUSED ME TO STOP FURTHER IN TO THE INTERSECTION THAN I EXPECTED, OR WOULD HAVE LIKED. *TR

I OWN A 2010 TOYOTA PRIUS PURCHASED NEW IN OCTOBER 2010. I HAVE HAD AT LEAST 5 INSTANCES OF THE BRAKE FAILURE THAT HAVE BEEN DESCRIBED IN RECENT REPORTS. THE FAILURE OCCURS WHEN BRAKING AND GOING OVER A ROUGH SPOT LIKE A MAN-HOLE COVER OR POTHOLE. THERE IS A MOMENTARY AND COMPLETE FAILURE OF THE ENTIRE BRAKING SYSTEM. *TR

Mileage: 5,100

WHEN DRIVING OVER UNEVEN TERRAIN (IE.; RAILROAD TRACKS, BUMPS IN THE ROAD) MY 2010 PRIUS SEEMS TO ACCELERATE. I READ ABOUT THE BRAKES FAILING... BUT IT REALLY FEELS LIKE IT IS ACCELERATING TOO. IT IS VERY SCARY WHEN THIS HAPPENS AS IT FEELS THAT YOU WILL BE THRUSHED INTO WHATEVER MIGHT BE IN FRONT OF YOU. *TR

I COULDN'T STOP MY 2010 PRIUS AT A STOP. THE BRAKES WOULDN'T STOP THE VEHICLE.*TR

Mileage: 9,000

WHEN APPLYING BRAKES ON 2010 PRIUS (PURCHASED IN SEPT 2009), THE CAR LURCHES FORWARD WHEN IT HITS A BUMP IN THE ROAD. THIS IS A REPRODUCIBLE BEHAVIOR AND HAS BEEN OBSERVED SINCE SHORTLY AFTER PURCHASE. *TR

Mileage: 1,600

2010 TOYOTA PRIUS: AFTER TURNING CAR ON, TAKING EMERGENCY BRAKE OFF, FOOT ON BRAKE PEDAL FULLY DEPRESSED, SHIFTING FROM PARK INTO REVERSE, THE CAR WILL BEGIN TO MOVE ON ITS OWN WITHOUT ME TAKING FOOT OFF BRAKE. HAVE TO SHIFT IT BACK TO PARK AND TURN IT OFF FOR IT TO STOP. TOYOTA SERVICE SAID "THIS IS NORMAL". HAS HAPPENED 8 TIMES, MOST RECENT JAN 15TH. ALL ON LEVEL SURFACES. ONLY HAPPENS IF CAR IS ON IN ELECTRIC MODE ONLY, NOT WITH THE ENGINE ON. *TR

Mileage: 3,000

I HAVE EXPERIENCED BRAKE ISSUES ABOUT 6 TIMES, AND MY WIFE HAS HAD IT HAPPEN TO HER TWICE, SINCE I BOUGHT MY 2010 PRIUS AT THE END OF AUGUST 2009. THE BRAKE PROBLEM USUALLY WILL HAPPEN WHEN BRAKING ON AN UNEVEN SURFACE SUCH AS A POTHOLE OR A BUMPY ROAD. THE ISSUE IS THAT THE BRAKES WILL MOMENTARILY STOP WORKING AND YOU GET A JERKING/SPEEDING UP FEELING. *TR

PRESSING BRAKES WHILE TURNING AND HITTING A POTHOLE CAUSES CAR TO SURGE FORWARD. *TR

Mileage: 2,800

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT THE BRAKES WERE ULTRA-SENSITIVE AND WHILE DRIVING 5 MPH IN REVERSE AND LIGHTLY DEPRESSED THE PEDAL THE VEHICLE LUNGED FORWARD AS IF SHE MADE AN ABRUPT STOP. OCCASIONALLY, SHE HAD TO PUSH THE BRAKE PEDAL EXTREMELY HARD TO STOP THE VEHICLE. SHE HAS NOT SPOKEN TO THE DEALER NOR THE MANUFACTURER TO-DATE. THE VEHICLE HAD NOT BEEN REPAIRED AT THE TIME OF THE COMPLAINT. THE CURRENT MILEAGE WAS 3,740. THE FAILURE MILEAGE WAS APPROXIMATELY 500.

Mileage: 500

MY PRIUS LOSES ITS BRAKING ABILITY WHEN I HIT A POTHOLE OR IF I DRIVE OVER A SEWER GRATE. I'VE OWNED THE CAR SINCE JULY 2009, IT IS A 2010 MODEL. IT ALSO HAPPENS WHEN I DRIVE OVER BUMPS IN THE ROAD. THIS HAS HAPPENED SEVERAL TIMES SINCE JULY. IT SEEMS TO HAPPEN MORE IN WET WEATHER. *TR

BRAKES FAIL MOMENTARILY WHEN DRIVING OVER POTHOLES AND BUMPS. *TR

Mileage: 7,000

SOMETIMES WHEN I'M BRAKING IT FEELS LIKE A SURGE IN POWER OF MY TOYOTA PRIUS - 2010. *TR

MY 2010 TOYOTA PRIUS, PURCHASED IN JULY 2009, EXPERIENCES BRAKING PROBLEMS ON WET OR SLIGHTLY BUMPY ROADS. WHEN I HIT THE BRAKE, THE CAR JUMPS FORWARD IN THESE CONDITIONS. IF I WERE TAILGATING THE CAR BEFORE ME, IT COULD CRASH. *TR

AS OWNER OF A 2010 TOYOTA PRIUS WITH ABOUT 10,000 MILES ON IT, MY WIFE (THE REGULAR DRIVER) AND MYSELF HAVE EXPERIENCED AN ANOMALY IN BRAKE OPERATION ON SEVERAL OCCASIONS. EACH OCCASION INVOLVES EITHER HITTING A BUMP IN THE ROAD WHILE BRAKING OR BEING ON WET PAVEMENT WHILE BRAKING. WHEN THIS HAPPENS, IF FEELS AS IF THE BRAKES RELEASE FOR A FRACTION OF A SECOND (CREATING A SHORT SENSATION OF ACCELERATION) AND THEN RESUME OPERATION. I DON'T THINK THE CAR IS ACTUALLY ACCELERATING IN THAT MOMENT. MY THEORY IS THAT WHILE BRAKING, A SINGLE WHEEL LOOSES TRACTION (AND PERHAPS MOMENTARILY STOPS) AND THEN THE SYSTEM RELEASES ALL WHEELS FOR A MOMENT BEFORE REGULAR BRAKING RESUMES. THE FACT THAT YOU ARE SITTING IN THE CAR WITH YOUR FOOT APPLYING PRESSURE ON THE BRAKE MAKES THIS VERY ATTENTION GETTING. THIS HAS OCCURRED SEVERAL TIMES SINCE GETTING THE CAR LAST AUGUST. *TR

WHEN OUR 2010 PRIUS HITS A POTHOLE AND I BRAKE, IT LUNGES FORWARD FOR A SECOND. THIS HAS HAPPENED 3 TIMES. *TR

Mileage: 800

OUR 2010 PRIUS HAS A PROBLEM WITH THE BRAKES WHEN GOING OVER BUMPY ROADS. *TR

Mileage: 1,000

I PURCHASED A 2010 TOYOTA PRIUS ABOUT 6 WEEKS AGO AND HAVE EXPERIENCED A BRAKE SURGE PROBLEM AT LEAST THREE TIMES. IN EACH INSTANCE I WAS TRAVELING ABOUT 20 MPH AND HAD APPLIED THE BRAKES. WHEN THE CAR HIT A BUMP IN THE PAVEMENT IT SURGED FORWARD FOR ABOUT 0.5 SECOND BEFORE THE BRAKES GRABBED AGAIN. THE ROAD SURFACE WAS DRY ON EACH OCCASION AND MY IMPRESSION AT THE TIME WAS THAT THE BRAKES JUST LET GO. *TR

Mileage: 600

UPON APPLYING THE BRAKES WHEN I HIT ROUGH ROAD, POT HOLE, DEBRIS, UNLEVEL PAVEMENT, THEY SEEM TO SLIP. I DON'T SLOW DOWN LIKE I WANT THE CAR TO, I FISHTAIL A LITTLE AND THE STABILITY CONTROL COMES ON. THIS HAS HAPPENED 3 OR 4 TIMES SINCE I PURCHASED THE CAR. 2010 TOYOTA PRIUS. *TR

Mileage: 3,000

I OWN A 2010 TOYOTA PRIUS, WHICH I PURCHASED IN AUGUST, 2009. I HAVE EXPERIENCED A BRAKING PROBLEM AT LEASE 6 TIMES SINCE THEN. WHEN I BRAKE WHILE DRIVING OVER ROUGH ROADS INCLUDING DRIVING OVER METAL COVER PLATES IN ROADS, I LOSE ALL MY BRAKES FOR A SECOND OR SO. IT FEELS LIKE I HAVE HIT A PATCH OF ICE. IT IS VERY SCARY, AND REALLY GETS YOUR ATTENTION. *TR

Mileage: 2,650

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT THE BRAKES FAILED WHENEVER THE VEHICLE IS DRIVEN APPROXIMATELY 15 MPH OVER BUMPY PAVEMENT. THE FAILURE HAS OCCURRED SINCE THE VEHICLE WAS PURCHASED. THE MOST RECENT FAILURE MILEAGE WAS 10,456 WHICH WAS ALSO THE CURRENT MILEAGE.

Mileage: 10,456

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHENEVER THE CONTACT ATTEMPTED TO ENGAGE THE BRAKE PEDAL WHILE DRIVING 35 MPH WHEN THE VEHICLE LUNGED FORWARD AND THEN IT ACCELERATED. THE VEHICLE WAS TAKEN TO THE DEALER AND ADVISED THAT THE VEHICLE WAS OPERATING NORMALLY FOR SINCE IT IS EQUIPPED WITH AN ELECTRICAL ENGINE SWITCH. THE FAILURE HAS OCCURRED REPEATEDLY. THE FAILURE MILEAGE WAS 6,000.

Mileage: 6,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING 10 MPH OVER RAILROAD TRACKS ENGAGING THE BRAKE PEDAL THE VEHICLE FAILED TO STOP AND ACCELERATED. THE FAILURE OCCURRED INTERMITTENTLY; THEREFORE, WHEN SHE TOOK THE VEHICLE TO THE DEALER FOR ROUTINE MAINTENANCE, SHE DID NOT MENTION THE FAILURE. SHE WILL TAKE THE VEHICLE BACK TO THE DEALER TO BE DIAGNOSED. THE FAILURE MILEAGE WAS 4 AND THE CURRENT MILEAGE WAS 5,600. UPDATED 08/12/10

Mileage: 4

AFTER STOPPING THE CAR, THEN EITHER MOVING FORWARD OR REVERSING, BRAKES WILL GRAB. BRAKE GRAB IS STRONG ENOUGH THAT IT FEELS LIKE I'VE SLAMMED ON THE BRAKES WHEN THEY ARE BARELY TOUCHED. IN ORDER TO CORRECT, I PUT THE CAR IN PARK, THEN EITHER D OR R. THIS HAS HAPPENED ABOUT 10 TIMES SINCE I BOUGHT THE CAR IN AUGUST 2009. *TR

Mileage: 3,900

2010 TOYOTA PRIUS BRAKES JERKING IN FANNING ON ROUGH ROADS. I HAVE CALL DEALERSHIP BUT HAVE NOT HEARD BACK.C ALL MY INS. COMPANY IN WAS TOLD NOT TO DIVE THE CAR. NOW I HAVE A CAR THAT KEEP BE USED. *TR

Mileage: 9,389

WHILE DRIVING NORTHWEST ON NATIONAL BL, JUST PAST VENICE BLVD, IN MY 2010 PRIUS, I APPLIED THE BRAKES AND, RATHER THAN SLOWING, THE CAR ACCELERATED FORWARD. I RELEASED THE BRAKE AND PRESSED IT AGAIN, VERY FIRMLY, AND THE BRAKES FINALLY CAUGHT. *TR

Mileage: 1,300

2010 TOYOTA PRIUS III -- BRAKE PROBLEM, SIMILAR TO THAT DESCRIBED IN NEWS RELEASE OF 4FEB10. CAR MOMENTARILY ACCELERATES WHENEVER HITTING BUMP, EVEN THOUGH BRAKES ARE BEING APPLIED. ONGOING OVER THE PAST SEVERAL MONTHS. *TR

2010 TOYOTA PRIUS II STOPPING TIME LONGER THAN EXPECTED WHEN IN "B" GEAR AND NEED TO BRAKE. NOTE THAT I AM NOT SURE OF THE ROAD SURFACE WHEN THIS OCCURRED BUT I BELIEVE THAT IT WAS FLAT. CAR SEEMS TO LURCH FORWARD. HAVE COME CLOSE TO HITTING CAR IN FRONT OF ME. DRY ROAD SURFACE, CLOSE TO 50 DEGREES F. *TR

Mileage: 7,000

WE HAVE A 2010 TOYOTA PRIUS II, AND HAVE EXPERIENCED MULTIPLE INSTANCES OF THE BRAKES NOT WORKING - ESPECIALLY WHILE DRIVING THROUGH OUR APARTMENT COMPLEX AND GOING OVER SPEED BUMPS. THIS HAS ALSO OCCURRED WHILE ON THE INTERSTATE, SLOWING DOWN FOR TRAFFIC. THE DATE LISTED BELOW IS FOR THE MOST RECENT OCCURRENCE. *TR

Mileage: 2,300

WE HAVE TOYOTA PRIUS 2010 MODEL AND THERE HAS BEEN INCIDENCES IN THE PAST COUPLE OF MONTHS WHERE THE BRAKES HAVE NOT FUNCTIONED PROPERLY. ON DEC 7TH 2009 ON A TRAFFIC LIGHT SIGNAL MY CAR DESPITE APPLYING THE BRAKES KEPT ON MOVING AND ENDED UP HITTING ANOTHER CAR. MY CAR WAS DAMAGED BUT I JUST COULDN'T COMPREHEND THE REASON AS TO WHY THE CAR DIDN'T STOP. EVEN AFTER COUPLE OF WEEKS WHEN MY HUSBAND WAS DRIVING, WHILE WE WERE STOPPED AT THE TRAFFIC LIGHT, THE CAR KEPT ROLLING FORWARD. ALL WE COULD THINK WAS THAT MAY BE WE WERE NOT PRESSING THE BRAKES HARD ENOUGH, BUT SINCE OTHER PEOPLE HAVE COME OUT WITH SIMILAR PROBLEM WITH PRIUS, THE WHOLE THING IS MAKING SENSE TO US. I USE PRIUS REGULARLY WITH MY TWO YOUNG KIDS IN THE BACK BUT NOW I AM SCARED TO EVEN DRIVE IT. *TR

Mileage: 5

MY 2010 PRIUS ACCELERATES WHEN IT HITS A POT HOLE WHILE SLOWING DOWN. THIS HAPPENS MORE WHEN THERE IS SNOW OR ICE ON THE ROAD. IN ICY CONDITIONS I AM SLOWING DOWN AND NOT PRESSING ON THE BRAKE, BUT IF IT HITS A POT HOLE -- A MOMENTARY LOSS OF CONTROL IS EXPERIENCE. IT SEEMS LIKE THE ELECTRIC BRAKE SWITCHES OFF AND HYDRAULIC BRAKES KICKS IN BECAUSE IT BRAKES HARDER ONCE BACK. *TR

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING 5 MPH OVER RAILROAD TRACKS WITH HIS FOOT ON THE BRAKE PEDAL, THE VEHICLE ACCELERATED ON ITS OWN. THE FAILURE DOES NOT OCCUR WHILE DRIVING OVER SMOOTH ROAD SURFACES. THE DEALER HAS NOT BEEN CONTACTED. NO REPAIRS WERE MADE TO THE VEHICLE. THE FAILURE MILEAGE WAS 2000 AND THE CURRENT MILEAGE WAS 11000.

Mileage: 2,000

MOMENTARY LACK OF BRAKING ON 2010 TOYOTA PRIUS BOUGHT SUMMER OF 09. HAS HAPPENED MANY TIMES. ALSO BRAKES GRAB ERRATICALLY JERKING THE CAR SEVERELY WHEN IN REVERSE. SAME PROBLEMS ARE NOTED BY MANY, MANY OWNERS ON PRIUSCHAT.COM FORUM.*TR

Mileage: 50

ISSUE WITH BRAKES OF PRIUS 2010. WE LOSE SOME CONTROL OF THE VEHICLE OR IT VEERS WHEN THE BRAKES ARE PUSHED SOMETIMES. IT HAPPENS VERY RARELY BUT WHEN WE PUSH THE BRAKE, THE CAR WILL SOMETIMES SEEMS TO SLOW, THEN ACCELERATE A COUPLE OF FEET BEFORE STOPPING. *TR

Mileage: 6,100

I HAVE A NEW 2010 TOYOTA PRIUS THAT I BOUGHT IN DEC 2009. I DID EXPERIENCE SOMETHING THAT SOUNDS SIMILAR TO THE BRAKE PROBLEM NOW BEING INVESTIGATED - A MOMENTARY LOSS OF BRAKE POWER WHILE GOING OVER A POTHOLED/BUMPY PATCH OF ROAD. IT WAS JUST FOR A MOMENT AND NO ACCIDENT RESULTED, BUT I AM WORRIED NOW THAT THE PROBLEM MIGHT NOT HAVE JUST BEEN A RANDOM FLUKE. SEPARATELY, I HAD ANOTHER STRANGE INCIDENT WITH THE CAR. BACKING OUT OF A PARKING SPACE, I HAD NOT YET HIT THE ACCELERATOR BUT THE CAR IMMEDIATELY JUMPED BACKWARDS AS THOUGH I HAD HIT THE GAS HARD. THE ONLY WAY PREVENT IT FROM BUCKING BACKWARDS WAS TO HIT THE BRAKE. I HAD TO SORT OF JOLT OUT OF THE PARKING SPACE BECAUSE THERE WAS NO IN BETWEEN OF NORMAL/SLOW ACCELERATION. ONCE I GOT OUT OF THE SPACE AND PUT THE CAR INTO DRIVE, IT WAS ACCELERATED NORMALLY. *TR

Mileage: 300

2010 TOYOTA PRIUS PURCHASED ON JULY 31, 2009. BETWEEN 10 AND 12 TIMES SINCE PURCHASE DATE, WHEN APPLYING THE BRAKES SIMULTANEOUSLY WITH DRIVING OVER A BUMP OR ROUGH SECTION OF ROAD, THE CAR FELT AS THOUGH IT WAS ACCELERATING RATHER THAN BRAKING. THIS LASTED FOR ONE SECOND OR LESS BUT WAS FRIGHTENING. THE FIRST TIME I THOUGHT IT WAS MY IMAGINATION BUT IT OCCURRED ANOTHER 10 TIMES OR SO. IT ALWAYS OCCURS WHEN GOING OVER A BUMP. AS FAR AS I CAN RECALL, THE PAVEMENT WAS ALWAYS DRY. FORTUNATELY, THERE WAS NO ACCIDENT IN ANY OF THESE OCCURRENCES. *TR

Mileage: 1,000

I PURCHASED A 2010 TOYOTA PRIUS IN SEPTEMBER. I HAVE NOTICED THAT DURING THE FIRST FEW MINUTES OF DRIVING AFTER THE CAR HAS BEEN STARTED, IF I GO OVER A SPEED BUMP THE CAR IS MUCH MORE DIFFICULT TO BRAKE TO A STOP. AFTER THE CAR IS WARMED UP, THIS ISSUE GOES AWAY. THERE IS A SPEED BUMP I HAVE TO GO OVER ON MY WAY HOME FROM WORK AND HAVE EXPERIENCED THE PROBLEM CONSISTENTLY. *TR

Mileage: 100

BRAKES SPORADICALLY GRAB AND MAKE SMOOTH BRAKING IMPOSSIBLE. THESE ARE UNEXPECTED AND INTERMITTENT. IT OCCURS MAYBE TEN PERCENT OF MY TRIPS. CONSEQUENCES ARE JOLTING STOP. NOTHING ALLEGEDLY CAN BE DONE TO CORRECT THE FAILURES. *TR

Mileage: 3,000

ON FEB. 3, 2010 THE BRAKES IN MY 2010 PRIUS FAILED ON SUDDEN APPLICATION AND THE PEDAL WENT ALL THE WAY TO THE FLOOR. I SWERVED RIGHT TO AN OPEN LANE, REAPPLIED THE BRAKES AND THIS SECOND APPLICATION WAS SUCCESSFUL AND SLOWED THE CAR. EVENT TOOK PLACE GOING 47 MPH ON CREST OF HILL WHEN CAR IN FRONT BRAKED SUDDENLY, AND I WENT FROM ACCELERATION TO SUDDEN BRAKING. PRIOR TO THIS EXPERIENCE I HAD MADE TWO COMPLAINTS TO MY LOCAL DEALER BECAUSE THE BRAKES OCCASIONALLY GRABBED VIOLENTLY WHEN I WAS BACKING OUT OF A PARKING SPACE. THE DEALER COULD NOT REPLICATE THIS ACTION, SO I JUST PUT UP WITH IT. THE DEALER NOW HAS MY CAR AND HAS PROVIDED A RENTAL CAR AT MY REQUEST. *TR

Mileage: 1,800

WHEN TRAVELING FORWARD OVER UNEVEN, BUMPY PAVEMENT, POT HOLES, OR SPEED BUMPS AND APPLYING THE BRAKES AT THE SAME TIME THE CAR SUDDENLY ACCELERATES VERY STRONGLY. THE ACCELERATION HAPPENS EVEN THOUGH YOU ARE PRESSING ON THE BRAKE PEDAL AND YOUR FOOT IS COMPLETELY OFF THE ACCELERATOR. THE SUDDEN ACCELERATION IS SO STRONG THAT IT NEARLY JERKS THE STEERING WHEEL OUT OF YOUR HAND. THIS INCIDENT HAS HAPPENED ONCE WHEN MY WIFE WAS DRIVING THE CAR AND THREE TIMES WHEN I HAVE BEEN DRIVING. IT ALMOST FEELS LIKE THE BRAKES STOP WORKING FOR A SECOND OR TWO AND THE CAR ACCELERATES BY ITSELF. WHEN IT HAPPENS IT IS QUITE STARTLING. I TOOK THE CAR TO THE DEALER AND THEY SAID NOTHING WAS WRONG WITH IT. THIS IS A SERIOUS SAFETY ISSUE THAT NEEDS TO BE LOOKED INTO. *TR

Mileage: 7,000

2010 TOYOTA PRIUS - PURCHASED IN NOV 2009. CAR JUMPS FORWARD WHEN APPLYING BRAKE. *TR

Mileage: 1,500

WE HAVE A NEW 2010 TOYOTA PRIUS TYPE IV THAT MY WIFE DRIVES. SEVERAL TIMES NOW SHE HAS EXPERIENCED PROBLEMS WITH THE BRAKING SYSTEM; WHEN SHE APPLIED THE BRAKES THE CAR LUNGED FORWARD AND THEN SHE HAD TO APPLY THE BRAKES REALLY HARD IN ORDER TO GET IT TO STOP. THIS OCCURRED SEVERAL TIME UPON HITTING A BUMP, BUT IT HAS ALSO OCCURRED ON A SMOOTH SURFACE ROAD. WE OBTAINED THIS NEW CAR IN SEPTEMBER 2009; SO THE FREQUENCY OF THIS PROBLEM IS PRETTY HIGH. WE UNDERSTAND THAT OTHERS ARE EXPERIENCING THIS SAME PROBLEM... WE WOULD LIKE TO CONFIRM AND COMPLAIN THAT WE TOO ARE EXPERIENCING THESE SAME PROBLEM WITH OUR PRIUS. WE HAVE CALLED THE LOCAL CAR DEALER WHERE WE PURCHASED THE VEHICLE, THEY ARE UNAWARE OF THIS PROBLEM AND OFFERED TO DO NOTING ABOUT IT. WE ALSO TRIED TO CALL THE TOYOTA EXPERIENCE CENTER BUT THE 800 NUMBER WAS OVER RUN WITH CALLS AND STATED THAT THEY COULD NOT PROCESS OUR CALL DUE TO HIGH CALL VOLUME. AT THIS POINT I AM VERY CONCERNED FOR THE SAFETY OF THOSE IN THE CAR AND THOSE WHO MAY BE STRUCK SHOULD WE EXPERIENCE THIS PROBLEM AT A CRITICAL MOMENT IN STOPPING THE VEHICLE. *TR

Mileage: 7,857

I OWN A 2010 TOYOTA PRIUS, PURCHASED IN OCTOBER OF 2009. I CONTACTED THE DEALER ABOUT SLIPPAGE WHEN BRAKING AND THEY WERE NOT HELPFUL. WHEN THE BRAKES ARE APPLIED, THE CAR DOES NOT STOP BUT FEELS LIKE IT IS SLIPPING AND YOU NEED TO REAPPLY THE BRAKES. I CONTACTED TOYOTA ABOUT THIS PROBLEM AND THEY DID NOT RESPOND. I HAVE NOW RECONTACTED THE DEALER AND THEY TOLD ME TO WAIT TO HEAR BACK FROM THEM. THEY HAVE NOT OFFERED TO LOAN ME A CAR UNTIL THIS PROBLEM IS RESOLVED. I AM DEEPLY DISAPPOINTED BY TOYOTA AND THE DEALERSHIP. *TR

Mileage: 5,010

I HAVE A 2010 PRIUS, WHICH HAS EXPERIENCED THE BRAKE DELAY PROBLEM THAT I READ ABOUT IN THE NEWS TODAY. IT HAS HAPPENED APPROXIMATELY 3 TIMES SINCE I PURCHASED THE CAR IN NOVEMBER 2009. I PRESSED ON THE BRAKE, AND THE CAR DID NOT SLOW IMMEDIATELY. EACH TIME THERE WAS A MOMENTARY DELAY, WHICH FRIGHTENED ME. *TR

Mileage: 1,000

TL*THE CONTACT OWNS A 2010 PRIUS. WHILE DRIVING APPROXIMATELY 5 MPH ON UNEVEN PAVEMENT THE VEHICLE LUNGED FORWARD AND SHE WAS FORCED TO ENGAGE THE BRAKE PEDAL TWICE TO STOP THE VEHICLE. THE FAILURE OCCURRED 10 TIMES PRIOR TO HAVING IT DIAGNOSED BY THE DEALER. THE DEALER STATED THAT NOTHING WAS WRONG WITH THE VEHICLE. THE FAILURE MILEAGE WAS 4. THE CURRENT MILEAGE WAS 3,800. UPDATED 03/12/10. *LJ THE CONSUMER STATED THE DEALER FIX THE PROBLEM AS SOON AS THE RECALL WAS ANNOUNCED. UPDATED 07/13/10*JB

Mileage: 4

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE ENGAGING THE BRAKE PEDAL DRIVING APPROXIMATELY 20 MPH OVER A POTHOLE, THE BRAKES TEMPORARILY FAILED TO FUNCTION. THE FAILURE OCCURRED WHENEVER HE DROVE OVER ROUGH ROAD SURFACES. THE DEALER STATED THAT WHEN A FIX BECOMES AVAILABLE THEY WOULD NOTIFY HIM. THE MANUFACTURER WAS NOT NOTIFIED. THE CURRENT MILEAGE WAS APPROXIMATELY 4,000. THE FAILURE MILEAGE WAS APPROXIMATELY 2,500.

Mileage: 2,500

I LIKE MANY OTHERS HAVE HAD SKIDDING AND NON-RESPONSIVENESS WHEN I HIT THE BRAKES ON THE 2010 PRIUS. *TR

Mileage: 700

I HAVE NOTICED AN ISSUE WITH THE BRAKES IN MY 2010 PRIUS (IV) PURCHASED IN LATE AUGUST 2009 FROM WELLESLEY TOYOTA IN WELLESLEY, MA. I HAVE NOTICED AN ODD PULSING IN THE BRAKES, MUCH LIKE THE FEELING OF ALB SYSTEM KICKING IN. THE CAR SEEMS TO CONTINUE MOVING RIGHT THROUGH MY BRAKING. I SOMETIMES HAVE TO THEN SLAM THE BRAKES TO MAKE THE CAR STOP. THIS IS USUALLY TAKING PLACE AS I AM SLOWING TO A STOP SIGN OR LIGHT -- AND FREQUENTLY WHEN I'M GOING DOWNHILL. I HAD THOUGHT IT HAD SOMETHING TO DO WITH THE SWITCH BETWEEN GAS & ELECTRIC POWERING BUT I CAN'T BE SURE OF THAT. *TR

Mileage: 1,000

MY 2010 PRIUS WON'T STOP ON ROUGH OR ICED UP ROADS. *TR

Mileage: 1,500

BRAKES ARE TERRIBLE. VEHICLE COMPUTER CAUSES BRAKES TO UNLOAD WHEN GOING OVER VERY ROUGH ROAD OR POTHOLES. IF STOPPING JUST BEHIND TRAFFIC, COLLISION IS ALWAYS IMMINENT. BRAKES ARE ALSO EXTREMELY SENSITIVE, ESPECIALLY AT LOW SPEEDS. WHILE TRYING TO FEATHER THE BRAKES WHILE BACKING OUT OF A PARKING SPACE (FOR INSTANCE) THE COMPUTER SEEMS TO TELL THE BRAKES TO FULLY CLAMP DOWN WITHOUT APPLYING ADDITIONAL FORCE TO THE BRAKE PEDAL. THIS CAUSES A LURCHING MOTION AS OPPOSED TO A SMOOTH BACKUP AT IDLE SPEED. ALSO, WHEN COMING TO A STOP, THE SLOWER YOU GO, THE MORE SENSITIVE THE BRAKING BECOMES SUCH THAT YOU ARE TRYING TO NOT OVER-APPLY THE ALREADY SENSITIVE BRAKES YOU INEVITABLY END UP STOMPING ON THEM AT THE LAST MINUTE BECAUSE THE AMOUNT OF TRAVEL FROM ZERO TO FULL BRAKING IS MINISCULE. I HAVE OWNED ALL THREE GENERATIONS OF PRIUS. THE FIRST HAD BRAKES THAT WERE UNUSUAL DUE TO THE REGENERATIVE SYSTEM, BUT THEY HAD ACCEPTABLE AMOUNT OF PEDAL TRAVEL AND WERE NOT A PROBLEM. THE SECOND GENERATION'S BRAKES WERE MUCH IMPROVED OVER THE FIRST EDITION AND THEY FELT ALMOST LIKE NORMAL BRAKES. BUT THIS THIRD GENERATION'S BRAKES ARE ABSOLUTELY HIDEOUS! I COMPLAINED ABOUT THEM TO THE DEALER ABOUT A MONTH AGO AND THEY SAID THEY WERE NORMAL AND THAT ALL PRIUS BRAKES WERE LIKE THAT. THAT DOESN'T MAKE IT RIGHT! I AM GLAD ALL THIS PUBLICITY HAS VINDICATED MY ASSERTIONS. *TR

Mileage: 5,000

I BOUGHT A 2010 PRIUS IN OCTOBER 2009. I BROUGHT THE PRIUS BACK TO THE DEALER, STEVENSON TOYOTA, FOR A PROBLEM THAT WOULD OCCUR WHEN THE VEHICLE BRAKE WAS COMPLETELY DEPRESSED AND THE TRACTION CONTROL LIGHT WOULD COME ON. I ALSO MENTIONED THAT WHEN I WOULD HIT A BUMP OR DRIVE ON ICE, IT DID NOT SEEM THAT THE VEHICLE WOULD STOP PROPERLY AND THAT WHEN HITTING A BUMP, THE VEHICLE WOULD SEEM TO "LURCH FORWARD". THE DEALER SAID THIS WAS A SAFETY ASPECT OF THE VEHICLE AND WAS NORMAL OPERATION. A FEW WEEKS LATER, I CALLED THE DEALER AGAIN TO REITERATE MY CONCERNS ABOUT THE BRAKING PROBLEM AND THE LURCHING FORWARD WHEN HITTING A BUMP, THEY AGAIN REPEATED THAT IT WAS A SAFETY MEASURE NEW ON THE 2010 PRIUS MODELS. NOW THAT THE RECALL IS OUT, I AM SKEPTICAL ON THE VALIDITY OF THEIR STATEMENTS SAYING THAT IT WAS A NEW 2010 SAFETY FEATURE. MY WIFE WHO ALSO DRIVES THE VEHICLE DOES NOT FEEL SAFE DRIVING IN THE SNOW BECAUSE OF THE FEEL OF THE BRAKES WHEN ATTEMPTING TO STOP. I BOUGHT THE CAR FOR HER BUT NOW DRIVE IT MORE BECAUSE SHE DOES NOT FEE SAFE IN THE VEHICLE. *TR

Mileage: 500

I OWN A 2010 TOYOTA PRIUS AND HAVE EXPERIENCED SEVERAL TIMES THE BRAKING FAILURE PROBLEMS RECENTLY DISCUSSED IN THE NATIONAL MEDIA ON SNOW AND ICE AND ON ROUGH ROAD SURFACES. THIS HAS HAPPENED SEVERAL TIMES DURING THE WINTER WEATHER SEASON PARTICULARLY ON SNOW AND ICE. I PURCHASED MY PRIUS IN JULY 2009. *TR

Mileage: 11,000

WHILE APPROACHING A STOP SIGN AT A PARTICULAR INTERSECTION WITH A BUMP AND POTHOLE JUST BEFORE THE STOP AREA AT APPROX 30MPH, CAR MOMENTARILY LOSES BRAKING POWER WHEN PASSING OVER BUMP AND POTHOLE. I CAN REPLICATE THIS ISSUE EVERY TIME I APPROACH THIS INTERSECTION, AND IT HAS HAPPENED SEVERAL TIMES SINCE WE BOUGHT THE CAR IN 8/09. PROBLEM WAS REPORTED TO DEALER IN SEPTEMBER, AND WE WERE TOLD THERE WAS NO ISSUE WITH THE BRAKES ON THE VEHICLE. *TR

Mileage: 3,000

2010 TOYOTA PRIUS PURCHASED APRIL 2009. REPORTED TO DEALER SHORTLY AFTER PURCHASE THAT ANTILOCK BRAKE SYSTEM RELEASES BRAKES AND LUNGES CAR FORWARD IF TIRES ENCOUNTER UNEVEN SURFACE (E.G., POTHOLE) WHILE BRAKING. OCCURRENCE HAS RESULTED IN MISSING STOP SIGNS, BUT NO ACCIDENT TO DATE. TOYOTA DEALERSHIP REPORTED THAT THIS WAS NORMAL OPERATION DESPITE MY CALLING THE DEALERSHIP ON TWO SEPARATE OCCASIONS. *TR

Mileage: 300

MOMENTARY BRAKE FAILURE ON 2010 PRIUS, HAS OCCURRED ON NUMEROUS OCCASIONS. *TR

Mileage: 50

SEVERAL TIMES SINCE I PURCHASED MY 2010 TOYOTA PRIUS ON DEC. 23RD 2009, I'VE EXPERIENCED MOMENTARY LOSS OF BRAKE CONTROL WHILE BRAKING. IT HAPPENS FOR LIKE A SPLIT SECOND THEN RETURN TO NORMAL. I HAVEN'T NOTICED ANY CONNECTION BETWEEN WHEN IT HAPPENS AND ROUGH ROAD SURFACES. *TR

Mileage: 1,000

FROM A DEAD STOP, MOVING FORWARD OR IN REVERSE, BRAKES WILL LOCK OR GRAB & WILL NOT RELEASE EASILY. *TR

Mileage: 4,500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING AT SPEEDS OF LESS THAN 20 MPH IN OVERCAST WEATHER CONDITIONS AND APPROACHING A STOP SIGN AT A BUSY INTERSECTION, THE BRAKES FAILED TO ENGAGE AND THE VEHICLE PROCEEDED WITH CAUTION THROUGH THE INTERSECTION. THE DEALER WAS CONTACTED AND STATED THAT THEY NEVER HEARD OF ANY SIMILAR FAILURES. THERE WERE NO RECALLS OR REPAIRS MADE TO THE VEHICLE. THE FAILURE AND CURRENT MILEAGES WERE 1,400. UPDATED 03/18/10 *BF UPDATED 05/12/10.*JB

Mileage: 1,400

PRIUS 2010, PURCHASED JULY, 2009, DCH TOYOTA, MAMAROCECK, NY. BRAKING PROBLEMS SINCE PURCHASE: BRAKES DISENGAGE, CAR JUMPS, STEERING WHEEL NEEDS TO BE CONTROLLED - WHILE GOING OVER A BUMP, POTHOLE OR ICE. IN ORDER TO ACCOMMODATE TO THIS DEFECT I MUST DRIVE CAR CAREFULLY AND SLOWLY. THIS OCCURS REGULARLY ON ROUTINE DRIVES IN THE METROPOLITAN AREA. *TR

Mileage: 300

2010 PRIUS WHEN DRIVEN OVER POTHOLE WHILE BRAKING SEEMS TO SURGE FORWARD UNTIL THE WHEELS HAVE PASSED THE POTHOLE. THEN BRAKES SEEMS TO CATCH AND PERFORM NORMALLY. *TR

Mileage: 5,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. SHE STATED WHILE BRAKING AT SPEEDS OF LESS THAN 15 MPH AND GOING OVER A POTHOLE AND RAILROAD TRACKS THE BRAKES WOULD INTERMITTENTLY HESITATE TO FUNCTION PROPERLY. WITHIN MOMENTS, THE BRAKES WOULD RESPOND NORMALLY. ON A SEPARATE OCCASION, WHILE TRAVELING IN SNOWY CONDITIONS AT SPEEDS OF UNDER 30 MPH, SHE ATTEMPTED TO DEPRESS THE BRAKE PEDAL AND IT WOULD NOT ENGAGE. THE VEHICLE DID NOT SLIDE; HOWEVER, THE BRAKES DID NOT ENGAGE AND SHE PROCEEDED TO CRASH INTO A CURB CAUSING MODERATE DAMAGE TO THE FRONT PASSENGER'S SIDE TIRE AND RIM. THERE WAS ALSO A LOUD GRINDING NOISE COMING FROM THE VEHICLE AFTER THE CRASH OCCURRED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE SHE WAS AWAITING REPAIRS. THERE WERE NO RECALLS. THE FAILURE AND CURRENT MILEAGES WERE 1200.

Mileage: 1,200

2 WEEKS AFTER PURCHASING A 2010 PRIUS (DECEMBER 2009) I WAS SLOWING DOWN TO MAKE A TURN AND WHILE BRAKING I HIT A SMALL POTHOLE IN THE ROAD MY CAR LUNGED FORWARD. AT FIRST I THOUGHT I HAD BEEN REAR-ENDED BUT LOOKED AND SAW THAT THE NEAREST CAR WAS A GOOD 20 FEET BEHIND ME. THE SAME THING HAPPENED TO ME AGAIN LAST WEEK (WEEK OF FEBRUARY 1). THIS TIME I WAS BRAKING FOR A STOPLIGHT WHEN THE CAR HIT A BUMP IN THE ROAD AND AGAIN LUNGED FORWARD. THE LUNGING IS QUICK BUT VERY NOTICEABLE. I HAVE CHANGED MY DRIVING HABITS IN THE HOPES THAT I WON'T REAR-END SOMEONE. I HAVE NOT CALLED IN TO THE DEALERSHIP ABOUT THIS BUT DID FILL OUT A SATISFACTION SURVEY FROM TOYOTA YESTERDAY THAT I GOT DUE TO THE PURCHASE OF THE CAR AND INCLUDED THESE PROBLEMS IN THAT SURVEY. *TR

Mileage: 150

2010 TOYOTA PRIUS II--PURCHASED AUGUST 2009. ON JANUARY 23, 2010 I CRASHED MY VEHICLE INTO A CAR THAT HAD STOPPED IN FRONT OF ME. I APPLIED THE BRAKES BUT WAS UNABLE TO STOP THE CAR BEFORE IT HIT THE CAR IN FRONT OF ME. I AM CONTACTING YOU BECAUSE I BELIEVE THE BRAKE ISSUES WITH THE 2010 PRIUS MAY HAVE BEEN A CONTRIBUTING FACTOR IN THE CRASH. IN THE 5 MONTHS THAT I OWNED THE CAR I REMARKED THAT THE BRAKES DID NOT SEEM TO FUNCTION LIKE ABS BRAKES ON OTHER CARS THAT I HAD DRIVEN. I CHALKED IT UP TO THE FACT THAT CAR WAS NEW TO ME AND HAD MANY FEATURES THAT WERE DIFFERENT FROM A TRADITIONAL CAR. *TR

Mileage: 7,000

2010 TOYOTA PRIUS BRAKE ISSUE. WE ARE EXPERIENCING A MOMENTARY LOSS OF BRAKING CAPABILITY WHILE TRAVELING OVER AN UNEVEN ROAD SURFACE, POTHOLE OR BUMP. *TR

Mileage: 1,000

PRIUS 2010 SLOW BRAKING. I THOUGHT IT WAS JUST ME BUT NOW I FOUND OUT THE BRAKING IS RATHER SLOW AND A LOT OF OTHERS FEEL THE SAME WAY. I HAVE TO ADJUST MY BRAKING WHEN I SWITCH CARS WITH MY WIFE AND HAVE TO EXTRA CAREFUL WHEN I SWITCH BACK TO PRIUS. *TR

WHEN BRAKING AT LOWER SPEEDS AND TRAVELING OVER A TRANSITION (MANHOLE COVER, PAVEMENT BREAK), THE CAR WILL ACT AS THOUGH THE BRAKES LOSE GRIP FOR A SECOND, THEN REGAIN STOPPING POWER. I HAVEN'T HIT ANYTHING, BUT IT'S BEEN UNSETTLING. *TR

Mileage: 5,000

WE HAVE BEEN EXPERIENCING, INTERMITTENTLY, THE EXACT PROBLEM DESCRIBED IN RECENT NEWS ACCOUNTS ABOUT THE MOMENTARY FAILURE OF ANTI-LOCK BRAKES ON THE 2010 TOYOTA PRIUS. WHEN BRAKING ON A ROUGH OR SLICK SURFACE, SUCH AS THERMOPLASTIC LANE OR CROSSWALK MARKINGS, THE CAR FEELS LIKE IT'S SURGING FORWARD. WE BELIEVE IT IS NOT SO MUCH AN ACTUAL SURGING AS IT IS THE MOMENTARY ABSENCE OF LOSS OF BRAKING, BUT IT FEELS LIKE THE CAR IS A BIT OUT OF CONTROL, AND POTENTIALLY DANGEROUS. WE HAVE EXPERIENCED THIS MOMENTARY BRAKE FAILURE ON PERHAPS A COUPLE DOZEN OCCASIONS. FORTUNATELY, NONE OF THESE INCIDENTS HAVE RESULTED IN A CRASH. WE CONTACTED THE DEALERSHIP TO LET THEM KNOW THAT WE HAD BEEN EXPERIENCING THE SAME ISSUE DESCRIBED IN NEWS REPORTS, AND WERE TOLD THAT THEY HAVE NOT YET RECEIVED INSTRUCTIONS FROM TOYOTA ABOUT A RECALL OR POTENTIAL FIX. *TR

Mileage: 5,000

I HAVE A 2010 PRIUS AND HAD A 2005 PRIUS WITH ALL THE SAFETY FEATURES. WHEN I HAD THE 2005 PRIUS, I NOTICED ON SOME ROADS THAT DURING BRAKING, THE BRAKES WOULD RELEASE THEN REENGAGE, GIVING THE SENSATION THAT THE CAR IS ACCELERATING. THIS HAPPENS WHEN THE ROAD HAS A SERIES OF DIPS (WASHBOARD). THE FIRST COUPLE TIMES THIS HAPPENED, IT WAS RATHER FRIGHTENING BECAUSE THE CAR IN FRONT OF ME HAD STOPPED, AND I FELT AS IF I WERE ACCELERATING. THIS IS A REPRODUCIBLE EVENT THAT OCCURS AT A KNOWN LOCATION THAT I SIMPLY AVOID. THE ROAD IN THIS PARTICULAR AREA IS ALSO DOWN SLOPE, WHICH LENDS TO THE ACCELERATION FEELING. I HAVE DRIVEN MY 2010 PRIUS OVER THIS SAME AREA WITH VERY MUCH THE SAME RESULT. MY INITIAL ASSESSMENT WAS THAT THE TRACTION CONTROL TOOK OVER TO REGAIN TRACTION, HOWEVER I WOULD NOT THING THIS IS ACCEPTABLE. THE TOYOTA DEALERSHIP SAID THIS IS NORMAL BEHAVIOR AND IS NOT A PROBLEM. PLEASE FEEL FREE TO CONTACT ME AND I CAN DESCRIBE BETTER THE CONDITIONS FOR THIS VERY REPRODUCIBLE EVENT. *TR

Mileage: 1

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. SHE STATED THAT WHILE APPLYING THE BRAKES AT ANY SPEED MORE THAN 5 MPH AND OVER A POTHOLE THE VEHICLE RESPONDED AS IF THE BRAKES HAD FAILED AND IT ATTEMPTED TO ACCELERATE. WITHIN SECONDS, THE BRAKES WOULD RESET AND FUNCTION NORMALLY. THE MANUFACTURER NOR THE DEALER WERE NOTIFIED. THERE WERE NO RELATED RECALLS. THE FAILURE AND CURRENT MILEAGES WERE 8,400.

Mileage: 8,400

I'VE BEEN MONITORING THE TOYOTA RECALL NEWS BECAUSE I HAVE EXPERIENCED SIMILAR BRAKING ISSUES WITH MY NEW 2010 PRIUS. THE BEST WAY I CAN DESCRIBE IT IS AS IF THE BRAKING SYSTEM "HICCUPS" WHEN THE BRAKE IS APPLIED WHILE TRAVELING OVER AN UNEVEN ROAD SURFACE. AS THIS WAS A NEW VEHICLE TYPE THAT I HAD NEVER DRIVEN BEFORE I THOUGHT IT WAS INHERENT. *TR

Mileage: 4,000

MY 2010 PRIUS WHICH WAS PURCHASED IN AUGUST OF 2009 ON SEVERAL OCCASIONS WHEN BRAKING ON ROUGH SURFACE OR POTHOLE SLIPS MOMENTARILY. *TR

Mileage: 1,500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING 25 MPH OVER UNEVEN PAVEMENT THE VEHICLE BECAME DIFFICULT STOP WHILE ENGAGING THE BRAKE PEDAL. THE VEHICLE ALSO ACCELERATED INTERMITTENTLY. THE CONTACT HAS INFORMED A LOCAL DEALER ABOUT THE FAILURE WHO STATED THAT TOYOTA HAS NOT ISSUED A RECALL. THE CONTACT IS CONCERNED THAT THE BRAKE FAILURE COULD POTENTIALLY CAUSE A CRASH TO OCCUR. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE 8,000.

Mileage: 8,000

2010 PRIUS: BRAKES HAD MOMENTARY FAILURE ON A SNOW-COVERED SPEED BUMP. VEHICLE SPEED WAS ABOUT 10 MPH. THIS WAS THE FIRST OF SEVERAL INCIDENTS. *TR

Mileage: 6,300

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHILE DRIVING 20 MPH WHILE DRIVING OVER POTHOLE WITH HIS FOOT ON THE BRAKE PEDAL WHEN THE VEHICLE ACCELERATED ON IT OWN. THIS FAILURE OCCURRED 5 TIMES AND HAS CONTINUED TO OCCUR EVERY TWO WEEKS. THE DEALER CONFIRMED THAT THE ABS SYSTEM CAUSED THE FAILURE TO OCCUR. NO REPAIRS WERE MADE TO THE VEHICLE. THE VEHICLE IDENTIFICATION NUMBER WAS UNAVAILABLE. THE FAILURE MILEAGE WAS 200 AND THE CURRENT MILEAGE WAS 900.

Mileage: 200

I DROVE OVER A BUMP WHILE BRAKING AND IT FELT LIKE THE CAR WAS SLIDING ON ICE. IT FELT LIKE THERE WERE NO BRAKES. *TR

Mileage: 2,010

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING 15 MPH IN SNOWY CONDITIONS THE CONTACT APPLIED THE BRAKE PEDAL TO STOP THE VEHICLE AND IT FAILED TO STOP AND PROCEEDED THROUGH THE INTERSECTION AND CRASHED INTO A POLE. NO ONE WAS INJURED DURING THE CRASH. THE CONTACT HAD THE VEHICLE TOWED TO A DEALER TO REPAIR THE FRONT END. THE CONTACT STATED THAT THE BRAKING SYSTEM FAILED AND CAUSED THE VEHICLE TO CRASH. THE FAILURE MILEAGE WAS 8,800.

Mileage: 8,800

I WAS DRIVING MY 2010 TOYOTA PRIUS DOWN THE ROAD HERE IN BERKELEY, CA, AND APPLIED THE BRAKES AS I WAS HITTING A BUMP IN THE ROAD. THE BRAKES DID NOT WORK. I THEREAFTER LIFTED MY FOOT OFF THE BRAKE AND HIT THEM AGAIN, AT WHICH POINT THE BRAKES WORKED CORRECTLY. *JB

I WAS DRIVING MY 2010 TOYOTA PRIUS DOWN THE ROAD HERE IN BERKELEY, CA, AND APPLIED THE BRAKES AS I WAS HITTING A BUMP IN THE ROAD. THE BRAKES DID NOT WORK. I THEREAFTER LIFTED MY FOOT OFF THE BRAKE AND HIT THEM AGAIN, AT WHICH POINT THE BRAKES WORKED CORRECTLY. *JB

MY 2010 PRIUS ACCELERATES OVER A BUMPY SURFACE OR POTHOLE, IT SURGES FORWARD, WHEN I BRAKE OVER THESE SURFACES. *JB

I HAVE A 2010 PRIUS THAT "LURCHES" WHEN I BRAKE. THIS ONLY HAPPENS EVERY ONCE AND A WHILE. I TOOK IT TO THE TOYOTA DEALERSHIP, THEY LOOKED IT OVER AND SAID IT WAS FINE. TO SAY THE LEAST I CONTINUE TO BE VERY CONCERNED. *TR

Mileage: 2,000

THE BRAKES IN MY 2010 TOYOTA PRIUS DO NOT OPERATE PROPERLY. I HAVE HAD THE CAR 3 MONTHS WITH 1847 MILES. OVER THIS TIME I MUST INCREASINGLY PRESS THE BRAKE PEDAL CLOSER TO THE FLOOR TO STOP THE CAR. TODAY IN DRY WEATHER, I NEARLY HIT THE CAR ALMOST 50 YARDS IN FRONT OF ME WHEN IT STOPPED AND ALTHOUGH I PRESSED THE PEDAL FIRMLY IT TOOK A VERY LONG TIME FOR THE BRAKES TO GRAB. *JB

Mileage: 1,847

WHEN OUR 2010 PRIUS GOES OVER A BUMP THE BRAKES SEEM TO DISENGAGE AND SPEED FEELS LIKE IT IS INCREASING. ALTHOUHG TODAYS DATE IS ON THE EVENT THIS HAS BEEN AN ONGOING CONCERN SINCE PURCHASING THE VEHICLE LAST YEAR. *JB

Mileage: 100

MY HUSBAND AND I HAVE BOTH EXPERIENCED THE BRAKING ISSUE FOR THE 2010 PRIUS. WHEN WE COMPARED NOTES, WE FOUND THAT WE LOSE CONTROL OF THE BRAKES WHEN WE DRIVE OVER A SMALL MANHOLE COVER NEAR OUR HOUSE. I HAVE ALSO EXPERIENCED THIS WHEN DRIVING/BRAKING OVER A POTHOLE. INITIALLY WE THOUGHT WE WERE EXPERIENCING THE "SLIPPING" MOTION BECAUSE OF UNFAMILIARITY OF NEW CAR BRAKES. *JB

Mileage: 3,000

TOYOTA PRIUS 4TH GENERATION PURCHASED ONE MONTH AGO. SURGES FORWARD WITH BRAKE DEPRESSED WHEN GOING OVER POTHOLES. *TR

Mileage: 900

I WANT TO REPORT A MOMENTARY BRAKE FAILURE OF 2010 PRIUS OVER UNEVEN ROADS 2 MONTHS AGO. I DIDN'T REPORT IT EARLIER BECAUSE I DIDN'T KNOW IF IT WAS A ONE-OFF OR SYSTEMATIC ISSUE. TWO MONTHS AGO, I WAS DRIVING A NEWLY OWNED PRIUS WITH HARDLY 4000 MILES ON IT OVER A STRETCH OF RT. 93 FROM ANDOVER TO BOSTON. I WAS TRAVELING AT ABOUT 65 - 70 MPH ON THE LEFT FASTEST LANE. I CAM ACROSS A BUMPY PATCH, PROBABLY THE ROAD WAS BEING REPAIRED, AND IT WAS NOT LATE FOR ME TO SLOW DOWN AS I DIDN'T EXPECT SUCH UNEVENNESS ON A MAJOR HIGHWAY. I STEPPED ON THE BRAKE WHILE THE CAR WAS BEING TOSSED UP AND DOWN BY THE BUMPS AND I IMMEDIATELY FELT THAT THE CAR LOST BRAKING. LUCKILY, THERE WAS NO CAR AHEAD OF ME AND THE BRAKING DID RECOVER AFTER THE CAR SETTLED DOWN. I OWNED 4 TOYOTA'S FROM SUV TO THE HYBRID AND PRIUS IS THE ONLY ONE THAT HAS THIS PROBLEM. I JUST WANT TO SUPPORT OTHER PEOPLE'S COMPLAINTS ABOUT THIS CAR. I MUST SAY THAT THE BRAKING DID RECOVER QUICKLY THAT A COLLISION WAS NOT LIKELY UNLESS SOMEONE DRIVE THE CAR VERY FAST ON AN UNEVEN ROAD THAT IS ALSO CROWDED. HOWEVER, A CAR SHOULD NOT BEHAVE LIKE THIS UNDER ANY CONDITIONS. *JB

Mileage: 3,000

I WANT TO REPORT A MOMENTARY BRAKE FAILURE OF 2010 PRIUS OVER UNEVEN ROADS 2 MONTHS AGO. I DIDN'T REPORT IT EARLIER BECAUSE I DIDN'T KNOW IF IT WAS A ONE-OFF OR SYSTEMATIC ISSUE. TWO MONTHS AGO, I WAS DRIVING A NEWLY OWNED PRIUS WITH HARDLY 4000 MILES ON IT OVER A STRETCH OF RT. 93 FROM ANDOVER TO BOSTON. I WAS TRAVELING AT ABOUT 65 - 70 MPH ON THE LEFT FASTEST LANE. I CAM ACROSS A BUMPY PATCH, PROBABLY THE ROAD WAS BEING REPAIRED, AND IT WAS NOT LATE FOR ME TO SLOW DOWN AS I DIDN'T EXPECT SUCH UNEVENNESS ON A MAJOR HIGHWAY. I STEPPED ON THE BRAKE WHILE THE CAR WAS BEING TOSSED UP AND DOWN BY THE BUMPS AND I IMMEDIATELY FELT THAT THE CAR LOST BRAKING. LUCKILY, THERE WAS NO CAR AHEAD OF ME AND THE BRAKING DID RECOVER AFTER THE CAR SETTLED DOWN. I OWNED 4 TOYOTA'S FROM SUV TO THE HYBRID AND PRIUS IS THE ONLY ONE THAT HAS THIS PROBLEM. I JUST WANT TO SUPPORT OTHER PEOPLE'S COMPLAINTS ABOUT THIS CAR. I MUST SAY THAT THE BRAKING DID RECOVER QUICKLY THAT A COLLISION WAS NOT LIKELY UNLESS SOMEONE DRIVE THE CAR VERY FAST ON AN UNEVEN ROAD THAT IS ALSO CROWDED. HOWEVER, A CAR SHOULD NOT BEHAVE LIKE THIS UNDER ANY CONDITIONS. *JB

Mileage: 3,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING 15 MPH AND ENGAGING THE BRAKE PEDAL THE VEHICLE FAILED TO STOP IMMEDIATELY. OCCASIONALLY, THE VEHICLE ALSO RESPONDED AS IF IT WERE HYDROPLANING ON NORMAL ROAD CONDITIONS AND WITHIN MOMENTS, THE BRAKES WOULD RESET. THE DEALER STATED THAT THE VEHICLE WAS EQUIPPED WITH AN ABS. THE FAILURE WAS A NORMAL OCCURRENCE FOR THE VEHICLE. THERE WERE NO RECALLS. THE VIN WAS UNAVAILABLE. THE FAILURE MILEAGE WAS 7 AND THE CURRENT MILEAGE WAS 3500.

Mileage: 7

EMERGENCY BRAKING DELAY IN BRAKE ACTION. WHEN THE VEHICLE AHEAD OF ME IMMEDIATELY HARD-BRAKED ON A YELLOW STOP LIGHT AT A "RED LIGHT" CAMERA MONITORED INTERSECTION (WESTBOUND ILLINOIS 38 AT SUMMIT IN VILLA PARK, IL) I HAD TO BRAKE HARD AND MANEUVER TO AVOID REAR-ENDING HIM. THIS WAS THE FIRST, AND ONLY, EMERGENCY STOP SITUATION I HAVE HAD WITH MY 2010 TOYOTA PRIUS. WE WERE TRAVELLING JUST A BIT BELOW THE POSTED 35 MPH LIMIT, AND I WAS FOLLOWING AT AN APPROPRIATE INTERVAL (3+ SECONDS OR ABOUT 3 CAR LENGTHS). THERE WAS ABOUT A 1 SECOND DELAY BETWEEN JAMMING ON THE BRAKE AND SIGNIFICANT BRAKING ACTION. I NEVER EXPERIENCED SUCH A DELAY IN MY ABS EQUIPPED 2000 CHEVROLET MONTE CARLO SS OR MY 1995 FORD WINDSTAR LX, SINCE THIS EXPERIENCE I DRIVE THE PRIUS WITH A GREATER INTERVAL, ALTHOUGH THIS MEANS OTHER DRIVERS REGULARLY MERGE INTO THE "SAFETY" GAP THAT I AM TRYING TO PROVIDE. *JB

Mileage: 650

EMERGENCY BRAKING DELAY IN BRAKE ACTION. WHEN THE VEHICLE AHEAD OF ME IMMEDIATELY HARD-BRAKED ON A YELLOW STOP LIGHT AT A "RED LIGHT" CAMERA MONITORED INTERSECTION (WESTBOUND ILLINOIS 38 AT SUMMIT IN VILLA PARK, IL) I HAD TO BRAKE HARD AND MANEUVER TO AVOID REAR-ENDING HIM. THIS WAS THE FIRST, AND ONLY, EMERGENCY STOP SITUATION I HAVE HAD WITH MY 2010 TOYOTA PRIUS. WE WERE TRAVELLING JUST A BIT BELOW THE POSTED 35 MPH LIMIT, AND I WAS FOLLOWING AT AN APPROPRIATE INTERVAL (3+ SECONDS OR ABOUT 3 CAR LENGTHS). THERE WAS ABOUT A 1 SECOND DELAY BETWEEN JAMMING ON THE BRAKE AND SIGNIFICANT BRAKING ACTION. I NEVER EXPERIENCED SUCH A DELAY IN MY ABS EQUIPPED 2000 CHEVROLET MONTE CARLO SS OR MY 1995 FORD WINDSTAR LX, SINCE THIS EXPERIENCE I DRIVE THE PRIUS WITH A GREATER INTERVAL, ALTHOUGH THIS MEANS OTHER DRIVERS REGULARLY MERGE INTO THE "SAFETY" GAP THAT I AM TRYING TO PROVIDE. *JB

Mileage: 650

I WAS DRIVING MY 2010 TOYOTA PRIUS (WHICH I'D TAKEN DELIVERY ON ABOUT JANUARY 6), AND I NOTICED WHAT SEEMED TO BE A POWER SURGE OR A MOMENTARY BRAKE FAILURE WHEN I WENT OVER A POTHOLE WHILE I WAS SLOWING DOWN AFTER EXITING A HIGHWAY. THE CAR SEEMED TO LURCH FORWARD, SO THAT I HAD TO TAKE MY FOOT OFF THE BRAKE AND RE-APPLY IT. THIS HAPPENED FIRST ON JANUARY 20, BUT HAS OCCURRED THREE TIMES SINCE THEN. I'VE BEEN TRYING TO FIGURE OUT WHAT IT WAS; AT FIRST I THOUGHT IT WAS A POWER SURGE. BUT WHEN I SAW THE ARTICLE IN THE NEW YORK TIMES ON FEBRUARY 3, I KNEW THAT WAS EXACTLY WHAT HAD HAPPENED TO ME. EVERY TIME IT'S HAPPENED AS I WAS BRAKING OVER A SPEED BUMP OR POTHOLE. I HAVE MADE AN APPOINTMENT WITH MY TOYOTA DEALER BUT HAVE NOT GONE YET. *JB

Mileage: 400

I WAS DRIVING MY 2010 TOYOTA PRIUS (WHICH I'D TAKEN DELIVERY ON ABOUT JANUARY 6), AND I NOTICED WHAT SEEMED TO BE A POWER SURGE OR A MOMENTARY BRAKE FAILURE WHEN I WENT OVER A POTHOLE WHILE I WAS SLOWING DOWN AFTER EXITING A HIGHWAY. THE CAR SEEMED TO LURCH FORWARD, SO THAT I HAD TO TAKE MY FOOT OFF THE BRAKE AND RE-APPLY IT. THIS HAPPENED FIRST ON JANUARY 20, BUT HAS OCCURRED THREE TIMES SINCE THEN. I'VE BEEN TRYING TO FIGURE OUT WHAT IT WAS; AT FIRST I THOUGHT IT WAS A POWER SURGE. BUT WHEN I SAW THE ARTICLE IN THE NEW YORK TIMES ON FEBRUARY 3, I KNEW THAT WAS EXACTLY WHAT HAD HAPPENED TO ME. EVERY TIME IT'S HAPPENED AS I WAS BRAKING OVER A SPEED BUMP OR POTHOLE. I HAVE MADE AN APPOINTMENT WITH MY TOYOTA DEALER BUT HAVE NOT GONE YET. *JB

Mileage: 400

TOYOTA PRIUS 2010 BRAKES WHILE ON REVERSE GEAR SUDDENLY BECOMES TOO SENSITIVE AND BRINGS THE VEHICLE TO COMPLETE HALT EVEN ON THE SLIGHTEST APPLICATION OF BRAKE AND WHEN RELEASED THE VEHICLE ACCELERATES VERY FAST AND THERE BY NEEDING TO HIT BRAKES AGAIN WHICH JOLTS THE CAR BACK TO HALT. THOUGH IT HAPPENS ONLY ON REVERSE IT MAKES THE CAR HIGHLY UNPREDICTABLE WHILE BACKING UP. TOYOTA DEALERS SEEM TO IGNORE THIS COMPLAINT WHEN TAKEN FOR SERVICING AND HENCE REPORTING ON THIS PORTAL. *JB

PRIUS 2010. 1. WHEN STOPPING AND ONE OF MY FRONT TIRES GOES OVER A POTHOLE, STICK, OR ANY OTHER MARKEDLY UNEVEN PAVEMENT, THE BRAKES RELEASE PROPELLING THE CAR FORWARD. 2. I NOTICE MOST WHEN I AM GOING DOWN HILL. SO FAR IT HAS ONLY HAPPENED WHEN I AM GOING SLOWLY AND BRAKING HARD ENOUGH TO STOP THE CAR. IT HAS NOT HAPPENED AT HIGHER SPEEDS IN TRAFFIC WHEN I AM MERELY SLOWING DOWN IN TRAFFIC. 3. I BROUGHT IT TO THE ATTENTION OF THE SERVICE DEPARTMENT AT THE LOCAL TOYOTA DEALER. I WAS TOLD THAT IT IS THE WAY THE BRAKES ARE SUPPOSED TO OPERATE. I POINTED OUT THAT I HAVE OWNED 11 CARS OVER THE YEARS AND RENTED FAR MORE AND NEVER EXPERIENCED THIS BEFORE. THE COMPLAINT FELL ON DEAD EARS. *JB

Mileage: 1,500

PRIUS 2010. 1. WHEN STOPPING AND ONE OF MY FRONT TIRES GOES OVER A POTHOLE, STICK, OR ANY OTHER MARKEDLY UNEVEN PAVEMENT, THE BRAKES RELEASE PROPELLING THE CAR FORWARD. 2. I NOTICE MOST WHEN I AM GOING DOWN HILL. SO FAR IT HAS ONLY HAPPENED WHEN I AM GOING SLOWLY AND BRAKING HARD ENOUGH TO STOP THE CAR. IT HAS NOT HAPPENED AT HIGHER SPEEDS IN TRAFFIC WHEN I AM MERELY SLOWING DOWN IN TRAFFIC. 3. I BROUGHT IT TO THE ATTENTION OF THE SERVICE DEPARTMENT AT THE LOCAL TOYOTA DEALER. I WAS TOLD THAT IT IS THE WAY THE BRAKES ARE SUPPOSED TO OPERATE. I POINTED OUT THAT I HAVE OWNED 11 CARS OVER THE YEARS AND RENTED FAR MORE AND NEVER EXPERIENCED THIS BEFORE. THE COMPLAINT FELL ON DEAD EARS. *JB

Mileage: 1,500

I WAS GOING DOWN A FAIRLY STEEP HILL, APPLYING MY BRAKES EVENLY AS I APPROACHED A STOP LIGHT. THERE WERE NO CARS IN FRONT OF ME, AND THE ROAD WAS DRY. SUDDENLY, I THOUGHT THAT I HAD BEEN STRUCK FROM BEHIND BECAUSE MY CAR LURCHED FORWARD (AS THOUGH I HAD BEEN STRUCK). MY 2010 PRIUS WAS ONLY ABOUT TWO MONTHS OLD AT THIS POINT. THE BRAKES RE-ENGAGED AFTER A SECOND OR TWO, BUT I WAS AFRAID THAT I WOULD HAVE HIT SOMEONE IF I HADN'T BEEN ALONE ON THE ROAD. THE SAME THING HAPPENED WHEN GOING DOWN ANOTHER STEEP ROAD ABOUT THREE WEEKS LATER. AGAIN, THERE WAS NO PROPERTY DAMAGE AND NO ONE WAS HURT. BUT I WAS STARTLED. I DO NOT KNOW IF THE ROAD WAS UNEVEN OR IF THERE WERE POTHOLES. I HAVE NOT REPORTED THESE INCIDENTS TO THE DEALER, THE CAR COMPANY OR THE POLICE BECAUSE (ALTHOUGH THEY SCARED ME), I DID NOT THINK MUCH ABOUT THEM. NOW THAT I KNOW THAT OTHERS HAVE EXPERIENCED THIS, I HAVE BECOME FAIRLY WORRIED. *JB

Mileage: 1,000

I WAS GOING DOWN A FAIRLY STEEP HILL, APPLYING MY BRAKES EVENLY AS I APPROACHED A STOP LIGHT. THERE WERE NO CARS IN FRONT OF ME, AND THE ROAD WAS DRY. SUDDENLY, I THOUGHT THAT I HAD BEEN STRUCK FROM BEHIND BECAUSE MY CAR LURCHED FORWARD (AS THOUGH I HAD BEEN STRUCK). MY 2010 PRIUS WAS ONLY ABOUT TWO MONTHS OLD AT THIS POINT. THE BRAKES RE-ENGAGED AFTER A SECOND OR TWO, BUT I WAS AFRAID THAT I WOULD HAVE HIT SOMEONE IF I HADN'T BEEN ALONE ON THE ROAD. THE SAME THING HAPPENED WHEN GOING DOWN ANOTHER STEEP ROAD ABOUT THREE WEEKS LATER. AGAIN, THERE WAS NO PROPERTY DAMAGE AND NO ONE WAS HURT. BUT I WAS STARTLED. I DO NOT KNOW IF THE ROAD WAS UNEVEN OR IF THERE WERE POTHOLES. I HAVE NOT REPORTED THESE INCIDENTS TO THE DEALER, THE CAR COMPANY OR THE POLICE BECAUSE (ALTHOUGH THEY SCARED ME), I DID NOT THINK MUCH ABOUT THEM. NOW THAT I KNOW THAT OTHERS HAVE EXPERIENCED THIS, I HAVE BECOME FAIRLY WORRIED. *JB

Mileage: 1,000

MY 2010 TOYOTA PRIUS HAS THE SAME PROBLEM THAT ARE LISTED ON THIS SITE WITH BRAKES. WHEN TRYING TO STOP IMMEDIATELY AFTER A BUMP OR POTHOLE AND DURING MINOR SLICK CONDITION THE BRAKES DON'T REACT IMMEDIATELY. A COUPLE OF WEEKS AGO I SLID INTO AN INTERSECTION WITH MY BRAKES FULLY ENGAGED BEFORE THE BRAKES KICKED IN. THANK GOD NO CAR WAS IN FRONT OF ME. THE CAR BEHIND ME SAW WHAT WAS HAPPENING AND SLOWED DOWN. THIS BRAKE PROBLEM OCCURS WEEKLY SINCE MY PURCHASE OF THE VEHICLE IN SEPTEMBER 2009. *JB

MY 2010 TOYOTA PRIUS HAS THE SAME PROBLEM THAT ARE LISTED ON THIS SITE WITH BRAKES. WHEN TRYING TO STOP IMMEDIATELY AFTER A BUMP OR POTHOLE AND DURING MINOR SLICK CONDITION THE BRAKES DON'T REACT IMMEDIATELY. A COUPLE OF WEEKS AGO I SLID INTO AN INTERSECTION WITH MY BRAKES FULLY ENGAGED BEFORE THE BRAKES KICKED IN. THANK GOD NO CAR WAS IN FRONT OF ME. THE CAR BEHIND ME SAW WHAT WAS HAPPENING AND SLOWED DOWN. THIS BRAKE PROBLEM OCCURS WEEKLY SINCE MY PURCHASE OF THE VEHICLE IN SEPTEMBER 2009. *JB

2010 PRIUS SURGES FORWARD WHEN I HIT A BUMP WITH THE BRAKE PEDAL DEPRESSED. I HAVE HAD A FEW NEAR MISSES BUT NO ACCIDENTS TO THIS POINT. LAST OCCURRED YESTERDAY. *JB

Mileage: 8,900

2010 PRIUS SURGES FORWARD WHEN I HIT A BUMP WITH THE BRAKE PEDAL DEPRESSED. I HAVE HAD A FEW NEAR MISSES BUT NO ACCIDENTS TO THIS POINT. LAST OCCURRED YESTERDAY. *JB

Mileage: 8,900

I WAS BRAKING MY 2010 PRIUS III WHEN I WENT OVER SOME RAILROAD TRACKS. THE VEHICLE SUDDENLY ACCELERATED AND I HAD TO STEP OFF THE BRAKE PEDAL AND RE-APPLY THE BRAKES TO GET THE VEHICLE TO BEGIN BRAKING AGAIN. THE ACCELERATION LASTED FOR MORE THAN 1 SECOND AND THE VEHICLE DIDN'T START BRAKING AGAIN, UNTIL I HAD REAPPLIED THE BRAKES. *JB

Mileage: 1,050

TOYOTA PRIUS BRAKE LOSS OF CONTROL - WHEN THE VEHICLE GOES OVER A BUMP (E.G. POTHOLE, MANHOLE) WHEN THE BRAKE IS BEING APPLIED, IT DOESN'T IMMEDIATELY STOP BUT INSTEAD SEEMS TO LURCH FORWARD WITH THE SENSATION OF LOSS OF CONTROL. THIS ESPECIALLY HAPPENS ON CITY STREETS OR IN ICY CONDITIONS. IF THERE WAS A PERSON OR CAR IN FRONT OF THE VEHICLE, THE PRIUS WOULD HAVE HIT THE PERSON/CAR. THIS HAPPENS EVERY DAY AT THE SAME STOP (BUMP IN ROAD WHEN TURNING), AS WELL AS RANDOM PLACES AT LEAST WEEKLY SINCE PURCHASING THE CAR IN SEPTEMBER 2009. *JB

TOYOTA PRIUS BRAKE LOSS OF CONTROL - WHEN THE VEHICLE GOES OVER A BUMP (E.G. POTHOLE, MANHOLE) WHEN THE BRAKE IS BEING APPLIED, IT DOESN'T IMMEDIATELY STOP BUT INSTEAD SEEMS TO LURCH FORWARD WITH THE SENSATION OF LOSS OF CONTROL. THIS ESPECIALLY HAPPENS ON CITY STREETS OR IN ICY CONDITIONS. IF THERE WAS A PERSON OR CAR IN FRONT OF THE VEHICLE, THE PRIUS WOULD HAVE HIT THE PERSON/CAR. THIS HAPPENS EVERY DAY AT THE SAME STOP (BUMP IN ROAD WHEN TURNING), AS WELL AS RANDOM PLACES AT LEAST WEEKLY SINCE PURCHASING THE CAR IN SEPTEMBER 2009. *JB

I BOUGHT A 2010 PRIUS IN OCTOBER. I LIVE IN MAINE WHERE WINTER DRIVING CONDITIONS ARE NOT GREAT. I HAVE HAD THREE INCIDENTS NOW OF DRIVING AT A LOW SPEED ON PLOWED BUT SNOWY ROADS WHERE THE BRAKES DID NOT CATCH WHEN I APPLIED THEM. ONCE WAS GOING AROUND A DOWNHILL CURVE WHICH WAS SCARY. EACH TIME THEY EVENTUALLY CATCH BUT NOT UNTIL I HAVE SKIDDED FOR ABOUT 3-6 FT. FORTUNATELY, I HAVE NOT HIT ANYONE YET. I CALLED MY DEALER YESTERDAY AND WAS TOLD THERE HAD NOT BEEN A RECALL AND THERE WAS NOTHING TO BE DONE ABOUT IT YET. *JB

Mileage: 6,000

I BOUGHT A 2010 PRIUS IN OCTOBER. I LIVE IN MAINE WHERE WINTER DRIVING CONDITIONS ARE NOT GREAT. I HAVE HAD THREE INCIDENTS NOW OF DRIVING AT A LOW SPEED ON PLOWED BUT SNOWY ROADS WHERE THE BRAKES DID NOT CATCH WHEN I APPLIED THEM. ONCE WAS GOING AROUND A DOWNHILL CURVE WHICH WAS SCARY. EACH TIME THEY EVENTUALLY CATCH BUT NOT UNTIL I HAVE SKIDDED FOR ABOUT 3-6 FT. FORTUNATELY, I HAVE NOT HIT ANYONE YET. I CALLED MY DEALER YESTERDAY AND WAS TOLD THERE HAD NOT BEEN A RECALL AND THERE WAS NOTHING TO BE DONE ABOUT IT YET. *JB

Mileage: 6,000

MY 2010 PRIUS LURCHES WHEN I GO OVER POT HOLES OR ROUGH PATCHES. I CAN CONTROL THE LURCH, BUT IT DOES NOT FEEL RIGHT. IT DOES NOT HAPPEN ALL THE TIME. I AM NOT SURE WHAT MAKES THE DIFFERENCE BETWEEN IT HAPPENING AND NOT HAPPENING. I RECEIVED THE TITLE TO THE CAR IN 8/27/09. *JB

Mileage: 5,159

MY 2010 PRIUS LURCHES WHEN I GO OVER POT HOLES OR ROUGH PATCHES. I CAN CONTROL THE LURCH, BUT IT DOES NOT FEEL RIGHT. IT DOES NOT HAPPEN ALL THE TIME. I AM NOT SURE WHAT MAKES THE DIFFERENCE BETWEEN IT HAPPENING AND NOT HAPPENING. I RECEIVED THE TITLE TO THE CAR IN 8/27/09. *JB

Mileage: 5,159

I OWN A 2010 TOYOTA PRIUS AND AM EXPERIENCING THE EXACT PROBLEM THAT WAS JUST ANNOUNCED ABOUT THE BRAKES. WHEN I BRAKE OVER A BUMPY SURFACE THE BRAKES GO ALMOST TO THE FLOOR BEFORE I AM ABLE TO STOP. ALSO HAPPENS ON SNOWY/ICY SURFACES. I HAD TOYOTA LOOK AT MY BRAKES ON 10/27/09 AT TOYOTA SCION OF OAK LAWN, IL. I WAS TOLD BY THEM THAT MY BRAKES CHECKED OUT FINE. *JB

Mileage: 500

I OWN A 2010 TOYOTA PRIUS AND AM EXPERIENCING THE EXACT PROBLEM THAT WAS JUST ANNOUNCED ABOUT THE BRAKES. WHEN I BRAKE OVER A BUMPY SURFACE THE BRAKES GO ALMOST TO THE FLOOR BEFORE I AM ABLE TO STOP. ALSO HAPPENS ON SNOWY/ICY SURFACES. I HAD TOYOTA LOOK AT MY BRAKES ON 10/27/09 AT TOYOTA SCION OF OAK LAWN, IL. I WAS TOLD BY THEM THAT MY BRAKES CHECKED OUT FINE. *JB

Mileage: 500

BRAKE FAILURE ON OUR 2010 PRIUS. *JB UPDATED 02/17/10 *BF THE CONSUMER ALSO STATED HE EXPERIENCED SUDDEN ACCELERATION. UPDATED 03/05/10

Mileage: 4,400

BRAKE FAILURE ON OUR 2010 PRIUS. *JB UPDATED 02/17/10 *BF THE CONSUMER ALSO STATED HE EXPERIENCED SUDDEN ACCELERATION. UPDATED 03/05/10

Mileage: 4,400

MY 2010 PRIUS ACCELERATES OVER BUMPY ROAD CONDITIONS IRRESPECTIVE OF WHETHER OR NOT MY FOOT IS ON THE BRAKE OR NOT ON ANYTHING AT ALL.

MY 2010 PRIUS ACCELERATES OVER BUMPY ROAD CONDITIONS IRRESPECTIVE OF WHETHER OR NOT MY FOOT IS ON THE BRAKE OR NOT ON ANYTHING AT ALL.

I OWN A 2010 PRIUS, PURCHASED 7/22/09. I HAVE EXPERIENCED A SUDDEN SURGE WHEN TRAVELING OVER A BUMP OR LARGE POTHOLE. THE CAR MOMENTARILY SURGES AND FEELS SLIGHTLY OUT OF CONTROL. THIS HAS HAPPENED ABOUT A DOZEN TIMES IN THE 6 MONTHS I HAVE OWNED THE VEHICLE. I AM CONCERNED ABOUT MY SAFETY AND THIS IS WHY I AM WRITING TO YOU. *JB

Mileage: 2,000

I OWN A 2010 PRIUS, PURCHASED 7/22/09. I HAVE EXPERIENCED A SUDDEN SURGE WHEN TRAVELING OVER A BUMP OR LARGE POTHOLE. THE CAR MOMENTARILY SURGES AND FEELS SLIGHTLY OUT OF CONTROL. THIS HAS HAPPENED ABOUT A DOZEN TIMES IN THE 6 MONTHS I HAVE OWNED THE VEHICLE. I AM CONCERNED ABOUT MY SAFETY AND THIS IS WHY I AM WRITING TO YOU. *JB

Mileage: 2,000

2010 PRIUS BRAKE APPLIED IN ZERO TEMPERATURE WEATHER APPROACHING A RED LIGHT ON SLIGHT DOWN SLOPING ROAD COVERED IN ICE/SNOW. THE BRAKE PEDAL WAS PUSHED AS WOULD NORMALLY BE APPLIED (MAYBE APPROX 1/3 - 1/2 BRAKE PEDAL TRAVEL) AND THERE WAS NO APPLIED BRAKING. THE CAR KEPT ROLLING FORWARD TO WHERE I HAD TO MAKE A DECISION TO CONTINUE ROLLING WITH A RIGHT TURN INTO THE INTERSECTION AND CONTINUE TRAVEL. LUCKILY THE ONCOMING TRAFFIC WAS FAR ENOUGH AWAY TO NOT CRASH INTO ME. I WOULD ESTIMATE THAT THE BRAKE WAS APPLIED FOR ABOUT 1-2 SECONDS, ENOUGH TRAVEL TIME TO FORCE ME TO MAKE A DECISION THAT I NEEDED TO CONTINUE THROUGH THE INTERSECTION BEFORE THE ONCOMING TRAFFIC. THIS SAME TYPE OF SCENARIO OCCURRED ON AN EXIT OFF OF AN INTERSTATE RAMP DOWN ANOTHER DOWN SLOPE WITH ICE/SNOW THAT AGAIN WHEN THE BRAKES WHERE APPLIED, THE REGENERATIVE ENGINE BRAKE APPLIED, BUT WHEN THE ABS WENT TO ENGAGE DUE TO THE SLIPPERY SURFACE, THERE WAS A 1-2 SECOND DURATION OF SENSATION OF NO BRAKES. PUSHING PEDAL FURTHER (OR JUST WAITING THE 1-2 SECOND DELAY) SEEMED TO EVENTUALLY APPLY BRAKES. I AM A SYSTEMS/TEST ENGINEER THAT PERFORMS NUMEROUS WORK ON COMMERCIAL AND MILITARY AIRCRAFT AND I NOW KNOW HOW TO ANTICIPATE THIS SITUATION FOR MYSELF (I.E., I AM MORE CAREFUL ON BRAKING EARLIER ESPECIALLY ON SLIPPERY SURFACES MORE THAN NORMAL DISTANCE FROM MY OTHER HONDA VEHICLES ON SAME TYPE OF SURFACES TO ACCOUNT FOR THIS POSSIBLE 1-2 DELAY TIME IN BRAKING); HOWEVER, THIS IS UNACCEPTABLE FOR MY WIFE WHO DOES NOT HAVE THE SAME EXPERIENCE AS I DO OR SAME TECHNICAL FEELING OF WHAT THIS VEHICLE IS DOING. AGAIN, IF THE TRAFFIC ON THAT ONE INTERSECTION WAS CLOSER TO ME THAN IT WAS, THERE WOULD HAVE BEEN A SIDE IMPACT COLLISION. I HAVE YET TO EXPERIENCE THIS ISSUE ON SOLID ROADS OVER BUMPY SURFACES. WITH TODAY'S TOYOTA REVELATION THAT THE JAN 2010 PRIUS HAS A FIX FOR THIS, I DEMAND TO HAVE THIS SAME FIX APPLIED TO MY THREE MONTH OLD 2010 PRIUS. *JB

Mileage: 1,000

2010 PRIUS BRAKE APPLIED IN ZERO TEMPERATURE WEATHER APPROACHING A RED LIGHT ON SLIGHT DOWN SLOPING ROAD COVERED IN ICE/SNOW. THE BRAKE PEDAL WAS PUSHED AS WOULD NORMALLY BE APPLIED (MAYBE APPROX 1/3 - 1/2 BRAKE PEDAL TRAVEL) AND THERE WAS NO APPLIED BRAKING. THE CAR KEPT ROLLING FORWARD TO WHERE I HAD TO MAKE A DECISION TO CONTINUE ROLLING WITH A RIGHT TURN INTO THE INTERSECTION AND CONTINUE TRAVEL. LUCKILY THE ONCOMING TRAFFIC WAS FAR ENOUGH AWAY TO NOT CRASH INTO ME. I WOULD ESTIMATE THAT THE BRAKE WAS APPLIED FOR ABOUT 1-2 SECONDS, ENOUGH TRAVEL TIME TO FORCE ME TO MAKE A DECISION THAT I NEEDED TO CONTINUE THROUGH THE INTERSECTION BEFORE THE ONCOMING TRAFFIC. THIS SAME TYPE OF SCENARIO OCCURRED ON AN EXIT OFF OF AN INTERSTATE RAMP DOWN ANOTHER DOWN SLOPE WITH ICE/SNOW THAT AGAIN WHEN THE BRAKES WHERE APPLIED, THE REGENERATIVE ENGINE BRAKE APPLIED, BUT WHEN THE ABS WENT TO ENGAGE DUE TO THE SLIPPERY SURFACE, THERE WAS A 1-2 SECOND DURATION OF SENSATION OF NO BRAKES. PUSHING PEDAL FURTHER (OR JUST WAITING THE 1-2 SECOND DELAY) SEEMED TO EVENTUALLY APPLY BRAKES. I AM A SYSTEMS/TEST ENGINEER THAT PERFORMS NUMEROUS WORK ON COMMERCIAL AND MILITARY AIRCRAFT AND I NOW KNOW HOW TO ANTICIPATE THIS SITUATION FOR MYSELF (I.E., I AM MORE CAREFUL ON BRAKING EARLIER ESPECIALLY ON SLIPPERY SURFACES MORE THAN NORMAL DISTANCE FROM MY OTHER HONDA VEHICLES ON SAME TYPE OF SURFACES TO ACCOUNT FOR THIS POSSIBLE 1-2 DELAY TIME IN BRAKING); HOWEVER, THIS IS UNACCEPTABLE FOR MY WIFE WHO DOES NOT HAVE THE SAME EXPERIENCE AS I DO OR SAME TECHNICAL FEELING OF WHAT THIS VEHICLE IS DOING. AGAIN, IF THE TRAFFIC ON THAT ONE INTERSECTION WAS CLOSER TO ME THAN IT WAS, THERE WOULD HAVE BEEN A SIDE IMPACT COLLISION. I HAVE YET TO EXPERIENCE THIS ISSUE ON SOLID ROADS OVER BUMPY SURFACES. WITH TODAY'S TOYOTA REVELATION THAT THE JAN 2010 PRIUS HAS A FIX FOR THIS, I DEMAND TO HAVE THIS SAME FIX APPLIED TO MY THREE MONTH OLD 2010 PRIUS. *JB

Mileage: 1,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING 10 MPH WITH THE BRAKE PEDAL ENGAGED, THE VEHICLE ACCELERATED ON ITS OWN . THE CONTACT WAS FORCED TO APPLY PRESSURE TO THE BRAKE PEDAL IN ORDER TO STOP THE VEHICLE. THE CONTACT HAS OWNED THE VEHICLE FOR 5 MONTHS AND THE FAILURE HAS OCCURRED TWICE. THE DEALER WAS CALLED AND STATED THAT THEY HAVE NOT RECEIVED ANY RECALLS FOR HIS VEHICLE; HOWEVER, TO BRING IT INTO TO THE DEALERSHIP FOR A DIAGNOSTIC TEST. NO REPAIRS HAVE BEEN MADE TO THE VEHICLE. THE FAILURE MILEAGE WAS UNKNOWN AND THE CURRENT MILEAGE WAS 3227. UPDATED 03/12/10. *LJ UPDATED 08/30/10*JB

WHEN DRIVING I SOMETIMES MOMENTARILY FEEL A PAUSE IN THE BRAKING SYSTEM OF MY NEW PRIUS. THIS OCCURS EVERY TIME I DRIVE ON A CERTAIN STREET AT A FAIRLY HIGH SPEED. WHILE I AM BRAKING MY RIGHT FRONT TIRE GOES THROUGH A POTHOLE WHILE MY FRONT LEFT TIRE REMAINS ON FLAT TARMAC. AS MY FRONT TIRE COMES OUT OF THE POTHOLE I FEEL AS IF THE BRAKES STOP WORKING FOR HALF A SECOND AND THEN THEY START WORKING AGAIN. I ESTIMATE THAT I AM DRIVING THROUGH THE POTHOLE AROUND 20-30 MILES AN HOUR. I DRIVE THIS WAY EVERY DAY FROM MY WORK TO HOUSE AND I AM ALWAYS BRAKING ON THIS STRETCH OF ROAD AS I TURN A CORNER RIGHT AFTER THE POTHOLE. THERE IS A TRAFFIC LIGHT RIGHT AFTER THE POTHOLE SO WHENEVER THE LIGHT IS GREEN AS I APPROACH THE POTHOLE THIS HAPPENS TO ME. THIS HAS HAPPENED TO ME AROUND 50 TIMES - EVER SINCE I BOUGHT MY NEW PRIUS IN SEPTEMBER 2009. *JB

Mileage: 200

WHEN DRIVING I SOMETIMES MOMENTARILY FEEL A PAUSE IN THE BRAKING SYSTEM OF MY NEW PRIUS. THIS OCCURS EVERY TIME I DRIVE ON A CERTAIN STREET AT A FAIRLY HIGH SPEED. WHILE I AM BRAKING MY RIGHT FRONT TIRE GOES THROUGH A POTHOLE WHILE MY FRONT LEFT TIRE REMAINS ON FLAT TARMAC. AS MY FRONT TIRE COMES OUT OF THE POTHOLE I FEEL AS IF THE BRAKES STOP WORKING FOR HALF A SECOND AND THEN THEY START WORKING AGAIN. I ESTIMATE THAT I AM DRIVING THROUGH THE POTHOLE AROUND 20-30 MILES AN HOUR. I DRIVE THIS WAY EVERY DAY FROM MY WORK TO HOUSE AND I AM ALWAYS BRAKING ON THIS STRETCH OF ROAD AS I TURN A CORNER RIGHT AFTER THE POTHOLE. THERE IS A TRAFFIC LIGHT RIGHT AFTER THE POTHOLE SO WHENEVER THE LIGHT IS GREEN AS I APPROACH THE POTHOLE THIS HAPPENS TO ME. THIS HAS HAPPENED TO ME AROUND 50 TIMES - EVER SINCE I BOUGHT MY NEW PRIUS IN SEPTEMBER 2009. *JB

Mileage: 200

AS I WAS GOING DOWNHILL, THE ROAD SURFACE WAS UNEVEN. I ATTEMPTED TO APPLY THE BRAKES. THE PEDAL WENT ALMOST TO THE FLOOR AS IF THERE WAS NO BRAKE FLUID. THE CAR CONTINUED TO GO FORWARD AS THE BRAKES DID NOT ENGAGE. AS I PUSHED THE BRAKE PEDAL FURTHER, THE BRAKES ENGAGED. *JB

Mileage: 4,000

AS I WAS GOING DOWNHILL, THE ROAD SURFACE WAS UNEVEN. I ATTEMPTED TO APPLY THE BRAKES. THE PEDAL WENT ALMOST TO THE FLOOR AS IF THERE WAS NO BRAKE FLUID. THE CAR CONTINUED TO GO FORWARD AS THE BRAKES DID NOT ENGAGE. AS I PUSHED THE BRAKE PEDAL FURTHER, THE BRAKES ENGAGED. *JB

Mileage: 4,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONSUMER STATED AS HE BEGAN TO SLOW DOWN AND APPLIED THE BRAKES. THE VEHICLE TRAVERSED A PORTION OF THE ROADWAY THAT HAD SOME POTHOLES ON IT AND THE BRAKES RELEASED FOR WHAT SEEMED A SECOND. THE CONSUMER WAS DOING ABOUT 30 MPH AND PRESSED THE BRAKE PEDAL MORE FIRMLY. IT SEEMED AS THE VEHICLE WAS ATTEMPTING TO USE ABS IN A CONDITION THAT IT DEEMED WAS AN UNEVEN ROADWAY/ICY ROAD CONDITIONS. HOWEVER, THE CONDITION AT THE TIME WAS BARE AND DRY. THE CONSUMER BELIEVED THAT THE VEHICLE WOULD OPERATE AS EXPECTED IN DRY SMOOTH ROADWAY CONDITIONS, BUT WHEN THE ROAD SURFACE WAS BUMPY OR SLICK, THE ABS SYSTEM WOULD ACT AS IF THE VEHICLE WERE GOING TO SLIDE. THE DEALER PERFORMED THE SOFTWARE UPDATE TO ALLEVIATE THE PROBLEM. FAILURE MILEAGE WAS 4,500. *UPDATED 03/01/10 *BF UPDATED 05/10/10*JB

Mileage: 4,500

BRAKING PROBLEMS WITH 2010 TOYOTA PRIUS. SINCE THE PURCHASE OF THIS CAR ON AUGUST 22, 2009, UNDER THE CASH FOR CLUNKERS PROGRAM, MY WIFE HAS REPEATEDLY DESCRIBED THE SITUATION IN WHICH THE BRAKES RELEASE UNEXPECTEDLY. SPECIFICALLY, WHEN BRAKING AT LOW SPEEDS WHILE DRIVING OVER A RAIL CROSSING (SINGLE TRACK), THE BRAKES RELEASE MOMENTARILY AS THE CAR EXPERIENCES THE BUMPING MOTION INDUCED BY THE TRACKS. THIS CAN BE REPLICATED AT WILL. IN ADDITION, SHE HAS NOTICED A SIMILAR MOMENTARY RELEASE OF THE BRAKES WHEN APPROACHING A STOP SIGN ON A SLICK ROAD WHEN THE ANTI-LOCK BRAKE MECHANISM WAS ENGAGED. IN THESE FEW CASES, THE CAR ROLLED PAST THE STOP SIGN AND PARTIALLY INTO THE MAIN TRAVEL WAY. NOTE THIS WAS NOT THE RESULT OF SLIDING ON SLICK PAVEMENT OR THE PULSE-RELEASE OF THE ANTI-LOCK BRAKE SYSTEM BUT THE RELEASE OF BRAKES. NONE OF THESE CASES RESULTED IN ANY PHYSICAL IMPACT OR PROPERTY DAMAGE--JUST THE DISCONCERTING FEELING THAT THE MOMENTARY LOSS OF BRAKING ENGENDERED. WHEN MY WIFE FIRST NOTED THIS, I WENT TO HTTP://PRIUSCHAT.COM/, THE PRIUS OWNERS FORUM (WHICH I THINK IS SPONSORED BY TOYOTA). THE BRAKING ISSUE WAS NOTED BY OTHER FORUM MEMBERS. *JB

Mileage: 150

BRAKING PROBLEMS WITH 2010 TOYOTA PRIUS. SINCE THE PURCHASE OF THIS CAR ON AUGUST 22, 2009, UNDER THE CASH FOR CLUNKERS PROGRAM, MY WIFE HAS REPEATEDLY DESCRIBED THE SITUATION IN WHICH THE BRAKES RELEASE UNEXPECTEDLY. SPECIFICALLY, WHEN BRAKING AT LOW SPEEDS WHILE DRIVING OVER A RAIL CROSSING (SINGLE TRACK), THE BRAKES RELEASE MOMENTARILY AS THE CAR EXPERIENCES THE BUMPING MOTION INDUCED BY THE TRACKS. THIS CAN BE REPLICATED AT WILL. IN ADDITION, SHE HAS NOTICED A SIMILAR MOMENTARY RELEASE OF THE BRAKES WHEN APPROACHING A STOP SIGN ON A SLICK ROAD WHEN THE ANTI-LOCK BRAKE MECHANISM WAS ENGAGED. IN THESE FEW CASES, THE CAR ROLLED PAST THE STOP SIGN AND PARTIALLY INTO THE MAIN TRAVEL WAY. NOTE THIS WAS NOT THE RESULT OF SLIDING ON SLICK PAVEMENT OR THE PULSE-RELEASE OF THE ANTI-LOCK BRAKE SYSTEM BUT THE RELEASE OF BRAKES. NONE OF THESE CASES RESULTED IN ANY PHYSICAL IMPACT OR PROPERTY DAMAGE--JUST THE DISCONCERTING FEELING THAT THE MOMENTARY LOSS OF BRAKING ENGENDERED. WHEN MY WIFE FIRST NOTED THIS, I WENT TO HTTP://PRIUSCHAT.COM/, THE PRIUS OWNERS FORUM (WHICH I THINK IS SPONSORED BY TOYOTA). THE BRAKING ISSUE WAS NOTED BY OTHER FORUM MEMBERS. *JB

Mileage: 150

WHEN THE 2010 TOYOTA PRIUS GOES OVER A POTHOLE OR OVER AN ICE PATCH IS LOOSES BRAKING ABILITY FOR ONE OR TWO SECONDS. THIS HAS HAPPENED NUMEROUS TIMES, THE LAST TIME ON THE MORNING OF FEBRUARY 3, 2010. *JB

Mileage: 8,630

WHEN THE 2010 TOYOTA PRIUS GOES OVER A POTHOLE OR OVER AN ICE PATCH IS LOOSES BRAKING ABILITY FOR ONE OR TWO SECONDS. THIS HAS HAPPENED NUMEROUS TIMES, THE LAST TIME ON THE MORNING OF FEBRUARY 3, 2010. *JB

Mileage: 8,630

2010 PRIUS LOSES BRAKE FORCE WHEN REGENERATIVE BRAKING IS USED OVER POTHOLES OR OTHER UNEVEN SURFACES. IT APPEARS THAT WHEN WHEEL SLIP OCCURS WHEN BRAKING IN SUCH INSTANCES, THE REGENERATIVE SYSTEM IS DISENGAGED CAUSING LOSS OF BRAKING UNTIL THE FRICTION BRAKES ARE ENGAGED BY DEPRESSING THE BRAKE PEDAL FARTHER. THIS HAS OCCURRED ON MULTIPLE OCCASIONS AND CAN BE REPLICATED. *JB

2010 PRIUS LOSES BRAKE FORCE WHEN REGENERATIVE BRAKING IS USED OVER POTHOLES OR OTHER UNEVEN SURFACES. IT APPEARS THAT WHEN WHEEL SLIP OCCURS WHEN BRAKING IN SUCH INSTANCES, THE REGENERATIVE SYSTEM IS DISENGAGED CAUSING LOSS OF BRAKING UNTIL THE FRICTION BRAKES ARE ENGAGED BY DEPRESSING THE BRAKE PEDAL FARTHER. THIS HAS OCCURRED ON MULTIPLE OCCASIONS AND CAN BE REPLICATED. *JB

OUR 2010 PRIUS SOMETIMES LURCHES FORWARD ON HITTING A BUMP OR DRIVING ON ROUGH TERRAIN. THIS HAPPENS PREDICTABLY AT CERTAIN LOCATIONS. BOTH MY WIFE AND I HAVE OBSERVED THIS BEHAVIOR, MAYBE A COUPLE OF TIMES/WEEK. NOT CERTAIN WHETHER IT'S MOMENTARY ACCELERATION OR LOSS OF BRAKING BUT WE THINK IT'S LOSS OF BRAKING. WE HAVE NOT YET TAKEN ANY CORRECTIVE ACTION. I READ IN THE PAPER THAT TOYOTA IS PLANNING A RECALL. *JB

Mileage: 5,000

OUR 2010 PRIUS SOMETIMES LURCHES FORWARD ON HITTING A BUMP OR DRIVING ON ROUGH TERRAIN. THIS HAPPENS PREDICTABLY AT CERTAIN LOCATIONS. BOTH MY WIFE AND I HAVE OBSERVED THIS BEHAVIOR, MAYBE A COUPLE OF TIMES/WEEK. NOT CERTAIN WHETHER IT'S MOMENTARY ACCELERATION OR LOSS OF BRAKING BUT WE THINK IT'S LOSS OF BRAKING. WE HAVE NOT YET TAKEN ANY CORRECTIVE ACTION. I READ IN THE PAPER THAT TOYOTA IS PLANNING A RECALL. *JB

Mileage: 5,000

INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) I AM A RETIRED COLONEL, USAF, BUT CONTINUE TO WORK FOR THE AF AS A CIVILIAN ATTORNEY. I PURCHASED A 2010 TOYOTA PRIUS HYBRID, [XXX] , ON 9 NOV 09. SINCE THAT TIME, AS RECENT AS LAST EVENING WHEN I PULLED THE VEHICLE INTO OUR GARAGE, BETWEEN MY WIFE AND I WE HAVE EXPERIENCED ON APPROXIMATELY SIX OCCASIONS THE PROBLEM YOU HAVE RECEIVED OTHER REPORTS ABOUT CONCERNING THE VEHICLE'S BRAKES. THE "RELEASE" AS I CALL IT, OCCURRED PRIMARILY WHEN WE HIT IRREGULAR PATCHES OF ROADWAY, SUCH AS POTHOLES, WASHBOARD-TYPE SURFACES AND THE LIKE. LAST EVENING, AS I MENTIONED, IT ACTUALLY OCCURRED AS I WAS ENTERING THE GARAGE. I APPROACHED A LITTLE FASTER THAN USUAL AND WAS BRAKING AS THE FRONT TIRES ENCOUNTERED THE ELEVATED CEMENT BEYOND THE BASE OF THE GARAGE DOOR. THE BRAKING ACTION WAS LOST JUST FOR A MOMENT AFTER THE IMPACT WITH THE CEMENT. IT'S NOT THAT THE ENGINE SPEEDS UP WHEN IT HAPPENS, IT'S THE FORWARD MOMENTUM OF THE VEHICLE THAT INCREASES WITH LOSS OF THE BRAKING ACTION. THAT HAS BEEN THE CASE EACH TIME IT HAS HAPPENED. IN FAIRNESS TO THE DEALERSHIP, I HAVE NOT NOTIFIED IT YET BECAUSE I READ NOT TOO LONG AFTER THE FIRST TIME THIS OCCURRED THAT OTHER OWNERS WERE BEGINNING TO REPORT THIS PROBLEM AND THAT TOYOTA WAS DEVELOPING A SOFTWARE FIX FOR IT. I ASSUMED SHORTLY THERE WOULD BE SOMETHING IN THE NATURE OF A RECALL AND OWNERS WOULD BE NOTIFIED TO BRING THEIR VEHICLES IN FOR THE MODIFICATION. I DO INTEND TO NOTIFY THE DEALERSHIP TOMORROW, BUT THOUGHT IT NECESSARY TO REPORT THIS TO YOU NOW GIVEN THE SPOTLIGHT PUT ON IT TODAY. *TR

INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) I AM A RETIRED COLONEL, USAF, BUT CONTINUE TO WORK FOR THE AF AS A CIVILIAN ATTORNEY. I PURCHASED A 2010 TOYOTA PRIUS HYBRID, [XXX] , ON 9 NOV 09. SINCE THAT TIME, AS RECENT AS LAST EVENING WHEN I PULLED THE VEHICLE INTO OUR GARAGE, BETWEEN MY WIFE AND I WE HAVE EXPERIENCED ON APPROXIMATELY SIX OCCASIONS THE PROBLEM YOU HAVE RECEIVED OTHER REPORTS ABOUT CONCERNING THE VEHICLE'S BRAKES. THE "RELEASE" AS I CALL IT, OCCURRED PRIMARILY WHEN WE HIT IRREGULAR PATCHES OF ROADWAY, SUCH AS POTHOLES, WASHBOARD-TYPE SURFACES AND THE LIKE. LAST EVENING, AS I MENTIONED, IT ACTUALLY OCCURRED AS I WAS ENTERING THE GARAGE. I APPROACHED A LITTLE FASTER THAN USUAL AND WAS BRAKING AS THE FRONT TIRES ENCOUNTERED THE ELEVATED CEMENT BEYOND THE BASE OF THE GARAGE DOOR. THE BRAKING ACTION WAS LOST JUST FOR A MOMENT AFTER THE IMPACT WITH THE CEMENT. IT'S NOT THAT THE ENGINE SPEEDS UP WHEN IT HAPPENS, IT'S THE FORWARD MOMENTUM OF THE VEHICLE THAT INCREASES WITH LOSS OF THE BRAKING ACTION. THAT HAS BEEN THE CASE EACH TIME IT HAS HAPPENED. IN FAIRNESS TO THE DEALERSHIP, I HAVE NOT NOTIFIED IT YET BECAUSE I READ NOT TOO LONG AFTER THE FIRST TIME THIS OCCURRED THAT OTHER OWNERS WERE BEGINNING TO REPORT THIS PROBLEM AND THAT TOYOTA WAS DEVELOPING A SOFTWARE FIX FOR IT. I ASSUMED SHORTLY THERE WOULD BE SOMETHING IN THE NATURE OF A RECALL AND OWNERS WOULD BE NOTIFIED TO BRING THEIR VEHICLES IN FOR THE MODIFICATION. I DO INTEND TO NOTIFY THE DEALERSHIP TOMORROW, BUT THOUGHT IT NECESSARY TO REPORT THIS TO YOU NOW GIVEN THE SPOTLIGHT PUT ON IT TODAY. *TR

2010 TOYOTA PRIUS I'VE HAD AT LEAST 2 EXPERIENCES WHERE UNDER HARD BRAKING AND TRANSITIONING TO DIFFERENT LEVELS IN ROAD SURFACE, THE VEHICLE HAS LURCHED FORWARD. WHEN THIS OCCURRED, EACH TIME, I THOUGHT I HAD BEEN HIT IN THE REAR CAUSING MY VEHICLE TO BE PUSHED FORWARD. I BLOGGED OTHER OWNERS, AND HAVE BEEN TRYING TO GET AN ANSWER FOR A FEW MONTHS. I SAW THE RECENT NEWS ON PRIUS BRAKES AND FEEL THIS IS WHAT'S HAPPENING WITH MY 2010 PRIUS.*JB

Mileage: 1,000

2010 TOYOTA PRIUS BRAKING PROBLEM. I BOUGHT A 2010 TOYOTA PRIUS APPROX 4 MONTHS AGO. DURING THE APPROX 10000 MILES I HAVE PUT ON THE CAR, I HAVE EXPERIENCED A BRAKING ISSUE APPROX 5 TO 6 TIMES. MOST TIMES I WAS BRAKING FOR A STOP SIGN IN A 30 MPH ZONE. ONCE I WAS BRAKING FOR A RED LIGHT IN A 45 MPH ZONE. EACH TIME, THERE WAS BUMPY ROAD DURING THE BRAKING, AND THE BRAKES RELEASED. I CAN'T SAY IF THE CAR ACCELERATED, OR IT JUST SEEMED THAT WAY BECAUSE OF THE BRAKE RELEASE. IT DID NOT CAUSE ANY ACCIDENTS, BUT ONCE IT WAS ON A SNOW COVERED HILL AND I SLID OUT INTO A 2 LANE 50 MPH HIGHWAY. THERE WAS NO TRAFFIC, AND THEREFORE NO ACCIDENT. ANOTHER TIME, I WAS STOPPING FROM 45 MPH AT A RED LIGHT, AND UNDER BRAKING, AGAIN ON BUMPY ROADS, THE BRAKES RELEASED AND I NEARLY HIT THE CAR IN FRONT OF ME. THE BRAKES RELEASED ENOUGH ALLOW ME TO PANIC AND JAM THE BRAKE PEDAL TO THE FLOOR. THE CAR STOPPED QUICKLY. *JB

Mileage: 7,000

2010 TOYOTA PRIUS BRAKING PROBLEM. I BOUGHT A 2010 TOYOTA PRIUS APPROX 4 MONTHS AGO. DURING THE APPROX 10000 MILES I HAVE PUT ON THE CAR, I HAVE EXPERIENCED A BRAKING ISSUE APPROX 5 TO 6 TIMES. MOST TIMES I WAS BRAKING FOR A STOP SIGN IN A 30 MPH ZONE. ONCE I WAS BRAKING FOR A RED LIGHT IN A 45 MPH ZONE. EACH TIME, THERE WAS BUMPY ROAD DURING THE BRAKING, AND THE BRAKES RELEASED. I CAN'T SAY IF THE CAR ACCELERATED, OR IT JUST SEEMED THAT WAY BECAUSE OF THE BRAKE RELEASE. IT DID NOT CAUSE ANY ACCIDENTS, BUT ONCE IT WAS ON A SNOW COVERED HILL AND I SLID OUT INTO A 2 LANE 50 MPH HIGHWAY. THERE WAS NO TRAFFIC, AND THEREFORE NO ACCIDENT. ANOTHER TIME, I WAS STOPPING FROM 45 MPH AT A RED LIGHT, AND UNDER BRAKING, AGAIN ON BUMPY ROADS, THE BRAKES RELEASED AND I NEARLY HIT THE CAR IN FRONT OF ME. THE BRAKES RELEASED ENOUGH ALLOW ME TO PANIC AND JAM THE BRAKE PEDAL TO THE FLOOR. THE CAR STOPPED QUICKLY. *JB

Mileage: 7,000

WHEN APPLYING THE BRAKES TO COME TO A STOP AT A RED LIGHT, MY 2010 TOYOTA PRIUS IV HIT SOME ROUGH ROAD AND BEGAN TO SURGE/ACCELERATE EVEN WITH MY FOOT ON THE BRAKE. I PRESSED HARDER UNTIL THE BRAKES WERE RE-ENGAGED. THIS HAS HAPPENED UNDER SIMILAR CIRCUMSTANCES (ROUGH ROAD) THREE TIMES SINCE TAKING OWNERSHIP OF THE CAR SEPT 15, 2009. *JB

Mileage: 2,000

MY 2010 TOYATA PRIUS (PURCHASED IN SEPT. 2009) HAS HAD REPEATED PROBLEMS WHILE BRAKING OVER A PATCH OF ROAD WITH SMALL POTHOLES. IF THE BRAKES ARE ENGAGED WHILE OVER THE PATCH OF UNEVEN ROAD, THE CAR LURCHES OR "JUMPS" OVER THE SPOT ON THE ROAD AND THE BRAKES DON'T BEGIN TO CATCH UNTIL THE CAR GETS OVER THE PATCH. THIS HAS HAPPENED 5-10 TIME OVER THE LAST FOUR MONTHS AT A STOP LIGHT. *JB

Mileage: 6,500

MY 2010 TOYATA PRIUS (PURCHASED IN SEPT. 2009) HAS HAD REPEATED PROBLEMS WHILE BRAKING OVER A PATCH OF ROAD WITH SMALL POTHOLES. IF THE BRAKES ARE ENGAGED WHILE OVER THE PATCH OF UNEVEN ROAD, THE CAR LURCHES OR "JUMPS" OVER THE SPOT ON THE ROAD AND THE BRAKES DON'T BEGIN TO CATCH UNTIL THE CAR GETS OVER THE PATCH. THIS HAS HAPPENED 5-10 TIME OVER THE LAST FOUR MONTHS AT A STOP LIGHT. *JB

Mileage: 6,500

I'VE OWNED MY 2010 TOYOTA PRIUS FOR 5 MONTHS NOW AND FREQUENTLY (AT LEAST TWICE A MONTH) EXPERIENCE PROBLEMS WHEN BRAKING ON UNEVEN GROUND. WHEN I AM HITTING THE BRAKES AND RUN OVER A POTHOLE OR SUDDEN BUMP, THE CAR STOPS SLOWING DOWN AND ALMOST SHOOTS FORWARD (FEELS LIKE I'M HYDROPLANING) FOR A SPLIT SECOND THEN RESUMES BRAKING. THIS HAPPENED MOST RECENTLY TODAY AND COULD HAVE CAUSED AN ACCIDENT IF I WERE CLOSER TO THE CAR IN FRONT OF ME WHEN IT OCCURRED. *JB

Mileage: 4,641

I'VE OWNED MY 2010 TOYOTA PRIUS FOR 5 MONTHS NOW AND FREQUENTLY (AT LEAST TWICE A MONTH) EXPERIENCE PROBLEMS WHEN BRAKING ON UNEVEN GROUND. WHEN I AM HITTING THE BRAKES AND RUN OVER A POTHOLE OR SUDDEN BUMP, THE CAR STOPS SLOWING DOWN AND ALMOST SHOOTS FORWARD (FEELS LIKE I'M HYDROPLANING) FOR A SPLIT SECOND THEN RESUMES BRAKING. THIS HAPPENED MOST RECENTLY TODAY AND COULD HAVE CAUSED AN ACCIDENT IF I WERE CLOSER TO THE CAR IN FRONT OF ME WHEN IT OCCURRED. *JB

Mileage: 4,641

APPLIED BRAKES AT A STOP LIGHT. THE PRIUS (PURCHASED IN JULY OF 2009) RAN OVER A BUMP, AND IT SEEMED LIKE THE BRAKE DISENGAGED. I REMOVED MY FOOT FROM THE BRAKE PEDAL AND REAPPLIED THE BRAKES. THE BRAKES SEEMED TO ENGAGE AND CAME TO A STOP. *JB

Mileage: 14,000

APPLIED BRAKES AT A STOP LIGHT. THE PRIUS (PURCHASED IN JULY OF 2009) RAN OVER A BUMP, AND IT SEEMED LIKE THE BRAKE DISENGAGED. I REMOVED MY FOOT FROM THE BRAKE PEDAL AND REAPPLIED THE BRAKES. THE BRAKES SEEMED TO ENGAGE AND CAME TO A STOP. *JB

Mileage: 14,000

1. I WAS DRIVING ON A LOCAL ROAD AND WAS SWITCHING LANES. I PRESSED MY BRAKE PEDAL VERY SLIGHTLY AS I WAS CROSSING THE LANE DIVIDER AND AS I HIT ONE OF THE PLASTIC BUMPS, MY CAR ACCELERATED FORWARD. 2. THIS HAS RECURRED MANY TIMES AND THERE WERE NO VEHICLES IN FRONT OF ME EVERYTIME IT HAPPENED SO I WAS ABLE TO COME TO A STOP. SEVERAL TIMES I WOULD EITHER CROSS THE PEDESTRIAN WALKWAY AT THE INTERSECTION WHEN THIS ACCELERATION OCCURS. 3. I TOOK MY CAR TO THE DEALER SEVERAL TIMES AND EVERYTIME THEY TOLD ME IT WAS NORMAL AND THERE WAS NO PROBLEM. THEY WERE LYING AND COMPLETELY CLUELESS!!!*JB

THE BRAKES ON MY 2010 TOYOTA PRIUS FAILED TO ENGAGE WHILE DRIVING OVER A POTHOLE. THE CAR SEEMED TO ACCELERATE BRIEFLY BUT THEN THE BRAKES KICKED IN ONCE I HIT THE BRAKE PEDAL AGAIN HARDER. THIS IS THE THIRD INCIDENT OF SIMILAR PROBLEMS SINCE I PURCHASED THE VEHICLE IN JULY 2009. *JB

Mileage: 5,742

I DRIVE A 2010 TOYOTA PRIUS. ON MULTIPLE OCCASIONS WHILE ATTEMPTING TO SLOW DOWN ON ROUGH SURFACES, THE BRAKES TEMPORARILY STOPPED WORKING FOR 1-2 SECONDS EVEN THOUGH THE BRAKE PEDAL WAS DEPRESSED. THE MOST RECENT INCIDENT OCCURRED WHILE EXITING THE HIGHWAY AND ATTEMPTING TO SLOW DOWN QUICKLY ON ROUGH PAVEMENT. LUCKILY, THERE WERE NO OTHER CARS IN FRONT OF ME OR THERE WOULD HAVE BEEN A COLLISION. IF A CAR HAD BEEN IN FRONT OF ME ON ANY OF THE OCCASIONS THEN THERE WOULD HAVE LIKELY BEEN A COLLISION. *JB

Mileage: 12,573

PRIUS BRAKING PROBLEM WHEN GOING SLOW SPEEDS OVER A BUMP OR POTHOLE. *JB

Mileage: 1,000

PRIUS BRAKING PROBLEM WHEN GOING SLOW SPEEDS OVER A BUMP OR POTHOLE. *JB

Mileage: 1,000

WE DRIVE A 2010 PRIUS, PURCHASED THIS FALL. ON THREE SEPARATE OCCASIONS, WHEN I TRIED TO BRAKE IN AN AREA WITH SOME ICE, THE CAR ACCELERATED RATHER THAN STOPPED. ON TWO OF THE OCCASIONS, I FAILED TO STOP AT AN INTERSECTION (NO ONE COMING IN THE OPPOSITE DIRECTION) AND ON THE THIRD, THE ICE PATCH WAS ABOUT 3 FT IN DIAMETER ON ONE SIDE OF THE CAR ONLY. I WAS GOING RATHER SLOWLY, FOLLOWING A CAR THAT SLOWED FOR A SPEED BUMP. LUCKILY THE OTHER CAR ACCELERATED AND I DID NOT HIT IT. THE SPEED BUMP SLOWED ME DOWN AND THEN THE BRAKES STARTED WORKING. *JB

Mileage: 3,000

ON OCCASION THE BRAKING ON OUR 2010 PRIUS HAS NOT FELT RIGHT. SOMETIMES WHEN BRAKING AND HITTING A BUMP OR POTHOLE, THERE SEEMS TO BE A BRIEF PERIOD WHERE THE CAR FEELS LIKE ITS ACCELERATING OR THE BRAKES ARE NOT SLOWING IT DOWN PROPERLY. KEEPING PRESSURE ON THE BRAKES GETS BY THE PROBLEM BUT IT IS VERY UNSETTLING AND I HAVE NEVER HAD THIS PROBLEM WITH BRAKES IN ANY CAR BEFORE. IT HAS HAPPENED A FEW TIMES SINCE WE BOUGHT THE CAR IN JULY 2009 BUT VERY INTERMITTENTLY. THE DATE I AM PICKING IS JUST AN APPROXIMATE DATE FOR ONE OF THE INCIDENTS. I AM REPORTING THIS NOW IN LIGHT OF THE RECENT PUBLICITY ABOUT SIMILAR EVENTS REPORTED BY OTHER OWNERS, WHICH MADE ME REALIZE WHAT I HAD BEEN NOTICING WAS A REAL ISSUE. *JB

Mileage: 3,000

DROVE CAR OVER SEVERAL POTHOLES AND ATTEMPTED TO BAKE QUICKLY. BRAKES FAILED AND I HIT CAR IN FRONT OF ME. MY CAR BOUNCED OFF CAR IN FRONT OF ME AND I AGAIN HIT BRAKES SHARPLY. THEY FAILED AGAIN AND I HIT THE CAR IN FRONT OF ME AGAIN. ROAD CONDITIONS WERE WET AND SLIPPERY. *JB

Mileage: 3,200

I OWN A 2010 TOYOTA PRIUS WHICH WAS PURCHASED IN SEPTEMBER 2009. MY BRAKES FAIL TO IMMEDIATELY STOP MY CAR WHEN APPLIED GOING OVER BUMPY SECTIONS IN THE ROAD, HITTING A POTHOLE, OR WHEN ON SLIPPERY SECTIONS OF THE ROAD. WHEN HITTING A BUMP IT ACTUALLY FEELS LIKE THE CAR LURCHES FORWARD. THE CAR WILL EVENTUALLY STOP AFTER PUSHING THE BRAKE TO THE FLOOR WITH FORCE. IT IS VERY DISCONCERTING AND THE POTENTIAL FOR HITTING THE CAR IN FRONT OF YOU OR A PERSON IS VERY HIGH. *JB

Mileage: 6,000

I OWN A 2010 TOYOTA PRIUS WHICH WAS PURCHASED IN SEPTEMBER 2009. MY BRAKES FAIL TO IMMEDIATELY STOP MY CAR WHEN APPLIED GOING OVER BUMPY SECTIONS IN THE ROAD, HITTING A POTHOLE, OR WHEN ON SLIPPERY SECTIONS OF THE ROAD. WHEN HITTING A BUMP IT ACTUALLY FEELS LIKE THE CAR LURCHES FORWARD. THE CAR WILL EVENTUALLY STOP AFTER PUSHING THE BRAKE TO THE FLOOR WITH FORCE. IT IS VERY DISCONCERTING AND THE POTENTIAL FOR HITTING THE CAR IN FRONT OF YOU OR A PERSON IS VERY HIGH. *JB

Mileage: 6,000

2010 PRIUS - BRAKES STOP WORKING IF THEY ARE BEING APPLIED WHEN CAR GOES OVER BUMP OR UNEVEN ROAD SERVICE. *JB

2010 PRIUS - BRAKES STOP WORKING IF THEY ARE BEING APPLIED WHEN CAR GOES OVER BUMP OR UNEVEN ROAD SERVICE. *JB

WHEN MY 2010 PRIUS GOES OVER BUMPS THE BRAKES DISENGAGE FOR A SECOND OR TWO AND THE CAR LURCHES FORWARD. THIS HAS HAPPENED SEVERAL TIMES. *JB

Mileage: 3,500

WHEN MY 2010 PRIUS GOES OVER BUMPS THE BRAKES DISENGAGE FOR A SECOND OR TWO AND THE CAR LURCHES FORWARD. THIS HAS HAPPENED SEVERAL TIMES. *JB

Mileage: 3,500

I OWN A TOYOTA PRIUS 2010 PURCHASED IN THE SUMMER OF 2009. I HAVE EXPERIENCED BRAKING ISSUES UNDER CERTAIN CONDITIONS. *JB

Mileage: 30,000

SUDDEN TEMPORARY LOSS OF BRAKES IN A 2010 PRIUS. *JB

Mileage: 2,350

SUDDEN TEMPORARY LOSS OF BRAKES IN A 2010 PRIUS. *JB

Mileage: 2,350

WHENEVER I AM DRIVING AND HIT A POTHOLE OR BUMP ON THE ROAD, IMMEDIATELY AFTER GOING OVER THE POTHOLE OR BUMP I FEEL LIKE MY PRIUS SURGES FORWARD OR SPEEDS UP. THIS HAPPENS WHENEVER I AM GOING AT A CONSTANT SPEED OR WHEN I'M BRAKING. IT HAS HAPPENED SINCE I BOUGHT THE CAR (TWO MONTHS AGO) BUT YESTERDAY MORNING IT SCARED ME MORE BECAUSE I WAS GOING OVER A REALLY BAD ROAD WITH MANY BUMPS. AS I APPROACHED A RED LIGHT I BEGAN TO BRAKE EARLY BUT AS SOON AS I GOT CLOSE TO THE STOP THERE WAS A BUMP BEFORE IT AND MY CAR LUNGED FORWARD CAUSING ME TO STOP PAST THE WHITE LINE OF THE STOP SIGN. THIS HAPPENS ALL THE TIME WHEN I HIT A POTHOLE OR BUMP ON THE ROAD. *JB

WHENEVER I AM DRIVING AND HIT A POTHOLE OR BUMP ON THE ROAD, IMMEDIATELY AFTER GOING OVER THE POTHOLE OR BUMP I FEEL LIKE MY PRIUS SURGES FORWARD OR SPEEDS UP. THIS HAPPENS WHENEVER I AM GOING AT A CONSTANT SPEED OR WHEN I'M BRAKING. IT HAS HAPPENED SINCE I BOUGHT THE CAR (TWO MONTHS AGO) BUT YESTERDAY MORNING IT SCARED ME MORE BECAUSE I WAS GOING OVER A REALLY BAD ROAD WITH MANY BUMPS. AS I APPROACHED A RED LIGHT I BEGAN TO BRAKE EARLY BUT AS SOON AS I GOT CLOSE TO THE STOP THERE WAS A BUMP BEFORE IT AND MY CAR LUNGED FORWARD CAUSING ME TO STOP PAST THE WHITE LINE OF THE STOP SIGN. THIS HAPPENS ALL THE TIME WHEN I HIT A POTHOLE OR BUMP ON THE ROAD. *JB

MY TOYOTA PRUIS 2010 WHICH I PURCHASED ON NOV.30 2009 HAD UNEXPECTEDLY LURCHED FORWARD WHEN I WAS SLOWING DOWN AND APPLYING THE BRAKE. I WAS TAKEN BY SURPRISE AND FORTUNATELY IT STOPPED AFTER I STEPPED ON THE BRAKE VERY HARD. THIS HAS HAPPENED SEVERAL TIMES ALREADY. *JB

Mileage: 1,160

MY TOYOTA PRUIS 2010 WHICH I PURCHASED ON NOV.30 2009 HAD UNEXPECTEDLY LURCHED FORWARD WHEN I WAS SLOWING DOWN AND APPLYING THE BRAKE. I WAS TAKEN BY SURPRISE AND FORTUNATELY IT STOPPED AFTER I STEPPED ON THE BRAKE VERY HARD. THIS HAS HAPPENED SEVERAL TIMES ALREADY. *JB

Mileage: 1,160

I PURCHASED A 2010 TOYOTA PRIUS IN MID-JUNE. I AM WRITING TO REPORT THAT I HAVE ALSO EXPERIENCED THE LOSS OF BRAKES WHILE TRAVELING OVER UNEVEN SURFACES THREE SEPARATE TIMES. IT IS QUITE UNNERVING WHEN YOU ARE IN MID-BRAKE AND IT MOMENTARILY STOPS WORKING. I AM A VERY SAFE DRIVER, KEEPING A GOOD DISTANCE BETWEEN MY VEHICLE AND THE CARS AHEAD OF ME; HOWEVER, SOMETIMES YOU DO NEED TO STOP SUDDENLY AND I AM CONCERNED THAT IF THERE IS A POT HOLE BETWEEN ME AND THE CAR, THE PRIUS WILL NOT BE ABLE TO STOP IN TIME. THIS PROBLEM HAS NOT RESULTED IN ANY CRASHES BUT I HOPE THAT TOYOTA TAKES THESE COMPLAINTS SERIOUSLY AND DOES EVERYTHING POSSIBLE TO FIX THE 2010 VEHICLES MANUFACTURED BEFORE JANUARY 2010. ON THAT NOTE, I WAS EXTREMELY SURPRISED TO HEAR THAT TOYOTA KNEW OF THIS ISSUE AND FIXED IT MID-YEAR BUT DID NOTHING TO NOTIFY THE OWNERS OF THE INITIAL 2010 MODEL OF THEIR FINDINGS OR OFFER A FIX. THAT IS BAD BUSINESS PRACTICE, SOMETHING I DID NOT EXPECT FROM TOYOTA. *JB

Mileage: 5,000

WHILE SLOWING DOWN WITH THE BRAKES, WHEN I HIT A BUMP OR POTHOLE ON THE ROAD, MY CAR LURCHES FORWARD FOR A SPLIT SECOND AND I LOSE CONTROL OF THE ABILITY TO BAKE. *JB

Mileage: 400

MULTIPLE TIMES WHEN BRAKING IN MY 2010 TOYOTA PRIUS, THE CAR HAS SUDDENLY LURCHED FORWARD INSTEAD OF STOPPING. IN ALL THESE INCIDENTS, THE ROAD WAS EITHER SLIGHTLY WET OR THE CAR HAD JUST MOVED OVER A BUMP OR POTHOLE. *JB

Mileage: 6,200

2010 TOYOTA PRIUS BRAKING ISSUE...I HAVE HAD THIS ISSUE A NUMBER OF TIMES. I WILL BE DRIVING AND SEE A POTHOLE/BUMP COMING UP. I SLOW DOWN AND BRAKE BUT ONCE THE CAR GOES OVER THE POTHOLE/BUMP THE BRAKES DO NOT WORK- INSTEAD THE CAR ACCELERATES FORWARD WITH A LUNGING/JERKY FEELING. IT IS NOT RIGHT. I TOOK THE CAR INTO THE DEALER ON 10.27.09. THEY COULD NOT "DUPLICATE" THIS PROBLEM AND COULD NOT FIX IT. I CALLED TOYOTA HEADQUARTERS AND THEY OPENED A CASE . THEY SAID I SHOULD TAKE IT BACK TO THE DEALER AND TO SEE IF THEY COULD DUPLICATE IT. CASE # 091139820. THERE IS A BIG PROBLEM WITH THE BRAKES- THE CAR SHOULD SLOW DOWN/STOP AND NOT SPEED UP. IF A CAR OR PEDESTRIAN HAD BEEN RIGHT IN FRONT OF MY CAR I WOULD HAVE HIT THEM NO DOUBT. *JB

I WAS APPROACHING AN INTERSECTION IN DECEMBER DURING A SNOW STORM. THE ROAD WAS SNOWY AND I BRAKED, BUT MY 2010 PRIUS DID NOT IMMEDIATELY STOP. I WENT 10 - 15 FEET BEFORE THE CAR STOPPED. IT WAS VERY SCARY, BUT LUCKILY THERE WAS NO OTHER CAR IN THE ROAD, OR I WOULD HAVE BEEN HIT. *JB

Mileage: 4,701

TOYOTA 2010 PRIUS BRAKING PROBLEM -- I PURCHASED THE CAR 8/09 AND WITHIN ABOUT 1 MONTH NOTICED BRIEF BRAKING FAILURE -- AT FIRST THOUGHT IT WAS MY IMAGINATION. LATER THOUGHT IT WAS FROM LOSING GRIP WITH THE ROAD SURFACE MOMENTARILY AS IN GOING OVER A SURFACE IRREGULARITY. THIS HAPPENED SEVERAL TIMES ALBEIT INTERMITTENTLY. THEN FOR A COUPLE OF MONTHS IT WAS NOT A NOTICED PROBLEM. LAST WEEKEND I EXPERIENCED IT AGAIN. IT WAS ON A CLEAR AND SEEMINGLY EVEN SURFACE AS I TRIED TO SLOW COMING TO A TRAFFIC LIGHT. IT IS BRIEF AND THEN THE BRAKES DO SUCCESSFULLY ENGAGE. *JB

Mileage: 4,423

THIS IS REGARDING THE 2010 TOYOTA PRIUS. I JUST TRADED IN MY 2008 PRIUS FOR THE 2010 IN DECEMBER 2009. I HAVE EXPERIENCED TEMPORARY LOSS OF BRAKES 3-4 TIMES WHEN HITTING SMALL POT HOLES. THIS ONLY LASTS FOR A COUPLE OF SECONDS, BUT IT APPEARS TO HAPPEN RANDOMLY WITH NO WARNING. I HAVE CONTACTED THE DEALERSHIP WHERE I PURCHASED THE PRIUS, BUT THEY CANNOT ACT UNTIL THEY HEAR FROM TOYOTA. SO, I MUST JUST DRIVE AS SAFELY AS POSSIBLE, AND STAY ALERT. *JB

Mileage: 1,400

I HAVE A 2010 PRIUS, I HAVE ALSO NOTICED LOSS OF BRAKES. WHEN COMING TO A STOP OR GOING AROUND A CORNER AND HITTING A POT HOLE THE BRAKES SEEM TO SLIP. I CALLED THE DEALER TODAY IN KANSAS CITY THEY TOLD ME THEY HAD NO RECALLS ON THE BRAKES FOR THE 2010 PRIUS. CAN ANYTHING BE DONE? ON GOING PROBLEM! MY DEALER IS MOLLE TOYOTA. *JB

Mileage: 8,000

I'VE EXPERIENCED 2 PROBLEMS WITH THE BRAKES ON MY 2010 TOYOTA PRIUS. THE FIRST HAPPENS WHEN I AM APPLYING MY BRAKES WHILE GOING OVER A POT HOLE. THE BRAKES APPEAR TO RELEASE AND CATCH AGAIN. THIS HAS HAPPENED NUMEROUS TIMES UNDER THE SAME CONDITIONS. SECONDLY, I'VE NOTICED THAT WHEN THE CAR HAS BEEN PARKED AND THE WHEELS GET WET, WHETHER BY RAIN OR FROM WASHING THE CAR, AS I BACKUP OR GO FORWARD DOWN AN INCLINE, THE BRAKES SEEM TO "GRAB" OR "STICK" WHEN LIGHT PRESSURE IS APPLIED TO THE BRAKES. THE RESULTING STOP IN THE CAR IS AS THOUGH I HAD JAMMED ON THE BRAKES QUICKLY AND WITH A GREAT DEAL OF FORCE. *JB

Mileage: 1,000

2010 PRIUS BRAKING PROBLEM: WHEN BRAKING AND VEHICLE ENCOUNTERS A BUMP IN THE ROAD VEHICLE ACCELERATES AND SURGES FORWARD. THIS HAS OCCURRED APPROX 15-20 OCCASIONS. FORTUNATELY WE HAVE BEEN ABLE TO STOP THE VEHICLE SAFELY. REPORTED TO DEALER AND WAS INFORMED THIS WAS "NORMAL". *JB

Mileage: 10,150

ON 7 DIFFERENT OCCASIONS SINCE PURCHASING OUR TOYOTA PRIUS 6 MONTHS AGO, WHILE PUSHING THE BRAKES, THE CAR HAS LURCHED FORWARD AS THOUGH SOMEONE PUSHED DOWN ON THE GAS. *JB

Mileage: 4,700

TL- THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHENEVER THE CONTACT DRIVES THE VEHICLE AT ANY SPEED AND TRAVELS OVER AND BUMP OR A POT HOLE THE CONTACT NOTICED THAT THE BRAKES WILL MOMENTARILY DISENGAGE AND THEN RETURN TO NORMAL. THE VEHICLE HAS NOT BEEN DIAGNOSED AND THE CONTACT HAS NOTICED THE FAILURE SINCE THE DAY THE VEHICLE WAS PURCHASED. THE CURRENT AND FAILURE MILEAGES WERE 5500. BML

Mileage: 5,500

MY 2010 TOYOTA PRIUS HAS A SERIOUS BRAKING PROBLEM, THE CAR LUNGES FORWARD AFTER APPLY MY BRAKES OVER A BUMPY SURFACE. THIS IS VERY UNEXPECTED AND LUCKILY NO ONE WAS IN FRONT OF ME OTHERWISE I WOULD HAVE HIT THEM. THIS ALREADY HAPPENED SEVERAL TIMES, TOOK MY CAR TO THE DEALER AND NO SOLUTION, I DON'T KNOW WHAT TO DO WITH A BRAND NEW LIKE THIS. *TR

Mileage: 8,750

BRAKE ON MY TOYOTA PRIUS 2010. A FEW MONTH AGO, I WAS DRIVING ON A STREET WITH MANY POTHOLES IN SAN FRANCISCO. I WAS COMING TO A STOP ON A RED LIGHT. I APPLIED THE BRAKE TO SLOW MY PRIUS. AS I WAS APPLYING THE BRAKE, THE CAR'S FRONT WHEEL HIT A POTHOLE. I SUDDENLY FEEL A TOTAL LOSE TO BRAKE ON THE CAR FOR A SLIGHT SECOND AS THE CAR SEEM LIKE/FEEL LIKE SURGE AHEAD. A FRACTION OF SECOND LATER, THE BRAKE WENT BACK TO NORMAL. IT WAS A VERY SCARY FEELING. I DID FEELING UNSAFE. I TALKED TO THE MASTER MECHANIC IN THE TOYOTA DEALER. HE SAID THE IT IS NORMAL AS THE ABS KICK IN WHEN THE CAR HIT THE POTHOLE. IT IS DOING IT JOB. HOWEVER, I HAD DRIVEN MORE THAN 5 CARS WITH ABS AND VSC AND NEVER HAVE THE KIND OF ISSUE. THIS ONLY HAPPEN ONCE. *TR

Mileage: 1,600

ON THURSDAY, JANUARY 28TH MY WIFE DROVE OUR 2010 TOYOTA PRIUS TO WORK. THE WAS A SLIGHT COATING OF SNOW ON THE GROUND. LESS THAT ONE BLOCK FROM OUR HOUSE, DRIVING AT NO MORE THAN 10-15 MPH SHE APPLIED THE BRAKES TO STOP AT A STOP SIGN. SHE REPORTED THAT THE BRAKES SEEMED TO LOCK (NOT THE NORMAL ABS FEEL) AND SHE LOST CONTROL OF THE CAR, WHICH THEN SLID/SKIDDED INTO A CURB WHICH PUNCTURED THE FRONT PASSENGER TIRE. THE CAR APPEARED TO HAVE ONLY A PUNCTURED TIRE WHICH WAS CHANGED BY A AAA SERVICE TRUCK. AFTER THE TIRE WAS CHANGED AND THE SERVICE TRUCK LEFT, I ATTEMPTED TO DRIVE THE VEHICLE TO A NEARBY TIRE DEALER. AS I TRIED TO DRIVE THE CAR, I HEARD AND FELT A LOUD SCRAPING NOISE THAT SOUND AND FELT LIKE THE BRAKES WERE STILL ENGAGED. EVEN THOUGH I WAS NOW ON CLEAR PAVEMENT IF I AT ALL TRIED TO APPLY THE BRAKES,THE ABS WENT ON, BUT IN AN AGGRESSIVE MANNER. THE ABS ALSO WENT ON A COUPLE OF TIMES EVEN WITHOUT ME PUTTING MY FOOT ON THE BRAKES. THE TIRE DEALER SAID HE THOUGHT WE MIGHT HAVE BEEN THE FRAME AND TOLD US NOT TO DRIVE THE CAR. THE CAR WAS TOWED TO A NEARBY BODY SHOP TO BE INSPECTED BY OUR INSURANCE COMPANY, STATE FARM. AS OF FEBRUARY 2, 2010 NO INSPECTION HAS TAKEN PLACE. IT IS OUR CONTENTION THAT SOMETHING MALFUNCTIONED WITH THE BRAKES WHICH CAUSED THE ACCIDENT. *TR

Mileage: 3,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT THE BRAKES FAILED WHEN DRIVING OVER UNEVEN PAVEMENT AT LOW SPEEDS. THE CONTACT ALSO STATED THE VEHICLE LURCHED FORWARD WHEN BRAKING UNDER NORMAL ROAD CONDITIONS. THE FAILURE HAPPENS WHEN DRIVING OVER A SPEED BUMP OR A POT HOLE. THE VEHICLE WAS TAKEN TO THE DEALER AND THE CONTACT WAS TOLD TO REMOVE THE FLOOR MATS BUT THE PROBLEM PERSISTED.THE CONTACT STATED THAT THE DEALER WAS UNABLE TO DUPLICATE THE FAILURE BECAUSE IT HAPPENS RANDOMLY . THE MANUFACTURER WAS CONTACTED BUT THE CONTACT DID NOT RECEIVE AN ACCEPTABLE ANSWER FROM THEM. THE FAILURE MILEAGE WAS 8,362.

Mileage: 8,362

2010 TOYOTA PRIUS BRAKE PROBLEM. BRAKES DO NOT WORK PROPERLY PARTICULARLY IN SNOWY DAY. *TR

Mileage: 3,000

WHEN BRAKING AT LOW SPEEDS, IF THE CAR HITS A MANHOLE COVER OR UNEVEN, BUMPY ROAD, THERE IS A SPLIT-SECOND LOSS IN BRAKING (WHICH FEELS LIKE ACCELERATION SINCE THE DRIVER EXPECTS TO BE DECELERATING AT THE TIME). OTHER PRIUSCHAT SITE USERS HAVE COMPLAINED ABOUT THE SAME PROBLEM WITH THE 2010 PRIUS - SOME USERS CLAIMED THIS WAS "NORMAL" WHEN THE REGENERATIVE BRAKES SWITCH OVER TO HYDRAULIC BRAKES AND THAT THERE WAS REALLY NO LOSS IN BRAKING. IT MAY BE "NORMAL" BUT IT'S SCARY AS HECK WHEN IT HAPPENS AND IF A PEDESTRIAN CROSSES IN FRONT OF THE CAR OR A CAR IN FRONT OF A 2010 PRIUS STOPS QUICKLY UNDER JUST THE WRONG CIRCUMSTANCES, I SUSPECT AN ACCIDENT WOULD RESULT. *TR

Mileage: 5,000

I HAVE A 2010 PRIUS AND SAW AN ARTICLE ABOUT THERE BEING POSSIBLE BRAKE PROBLEMS WITH THE MODEL. I HAVE HAD THIS PROBLEM PROBABLY ABOUT 6 TIMES SINCE I GOT THE CAR LAST JULY AND, WHEN I MENTIONED IT TO THE DEALER, THEY SAID THERE WASN'T ANYTHING WRONG WITH THE BRAKES WHEN THEY RAN THE DIAGNOSTIC. WHEN IT HAPPENS, I'M IN THE PROCESS OF BRAKING, AND THERE'S A "PUSH", ALMOST LIKE THE BRAKES DIDN'T "TAKE", FOLLOWED BY A LOSS OF STEERING FOR A SECOND OR TWO. IT'S ALSO HAPPENED TO MY HUSBAND ONE TIME. THERE DOESN'T SEEM TO BE ANY RHYME OR REASON AS TO WHEN IT HAPPENS (WET ROAD VS. DRY ROAD, TURNING OR GOING STRAIGHT, FLAT OR HILL). I ORIGINALLY ASSOCIATED THE PROBLEM WITH THE BRAKES BECAUSE I ALSO HAVE THE "SLIDING" ICON COME ON THE DASHBOARD WHEN I'M COMPLETELY STOPPED AND LEAN FORWARD IN MY SEATBELT. HOWEVER, I'M NOW WONDERING IF IT'S NOT THE BRAKES, BUT THE TRANSMISSION, SINCE IT SORT OF FEELS LIKE IT'S NOT DOWNSHIFTING WHEN IT'S SUPPOSED TO, OR IT SHIFTS BACK INTO A HIGHER GEAR FOR A SECOND WHILE BRAKING. I CAME TO THIS CONCLUSION AFTER WAITING IN THE CAR WHILE IT WAS RUNNING. WITH THE CAR ON, EMERGENCY BRAKE ON, BUT NOT IN PARK, THERE WAS A DEFINITE "JOLT" WHEN THE GAS ENGINE WOULD TURN ON AND THEN OFF AGAIN A FEW MINUTES LATER. ALTHOUGH THERE HASN'T BEEN A CRASH YET, THERE WERE TWO TIMES WHEN IT CAME REALLY CLOSE TO THAT, AS I WAS TURNING AND ALMOST HIT THE CARS ON THE SIDE STREET THAT WERE IN THE LEFT TURN LANE WAITING TO TURN ONTO THE STREET I HAD BEEN TRAVELING ON. *TR

Mileage: 10,000

BRAKE PROBLEM WHEN ON UNEVEN SURFACE OR HILL, SOMETIMES TURNING. CAR HYDROPLANES AND BRAKES DO NOT WORK. HAS HAPPENED AT LEAST A DOZEN TIMES SINCE BUYING THE CAR LAST AUGUST. THREE TIMES HAVE COME CLOSE TO HITTING ANOTHER CAR. REPORTED PROBLEM TO DEALERSHIP. WAITING TO HEAR BACK. *TR

Mileage: 1,000

WHILE BRAKING MY 2010 PRIUS THERE ARE TIMES WHERE THE CAR APPEARS TO SURGE FORWARD. THE INITIAL BRAKING OCCURS FINE BUT NEAR THE POINT OF COMING TO A COMPLETE STOP (IE LESS THAN 10MPH) IS WHEN THE SURGE OCCURS. INITIALLY I ATTRIBUTED THIS TO ICY ROAD CONDITIONS BUT THIS HAS NOW OCCURRED ON DRY PAVEMENT. THE DASH LIGHT INDICATING SLIPPAGE OF THE CAR DOES NOT APPEAR WHEN THIS OCCURS. THE PROBLEMS SEEMS TO OCCUR MORE OFTEN WITHIN THE FIRST 5 MILES OF STARTING THE CAR. THIS SURGE DOES NOT OCCUR EVERYDAY NOR EVERY TIME THE CAR IS STARTED. IT DOES NOT SEEM TO BE STRICTLY TEMPERATURE RELATED ALTHOUGH IT HAS STARTED OCCURRING ONLY IN THE WINTER (CAR PURCHASED IN JULY). *TR

WHEN BRAKING OUR 2010 TOYOTA PRIUS, THE BRAKES SOMETIMES RELEASE WHILE THE DRIVER'S FOOT IS ON THE BRAKE PEDAL. THE DRIVER NEEDS TO RELEASE THE BRAKE PEDAL AND RE-APPLY PRESSURE FOR THE BRAKE TO RE-ENGAGE. THE PROBLEM DOES NOT OCCUR EVERY DAY BUT IT HAS OCCURRED OFTEN ENOUGH THAT BOTH DRIVERS OF OUR CAR HAVE NOTICED THIS ON SEVERAL OCCASIONS DURING THE SIX MONTHS THAT WE HAVE OWNED THE CAR. IT APPEARS TO OCCUR MORE AT SPEEDS BELOW 15 MPH, ON DOWNHILL SLOPES, IN COLDER WEATHER AND ON SLIPPERY ROADS. GIVEN THE CIRCUMSTANCES, THE PROBLEM TENDS TO HAPPEN WHEN APPROACHING INTERSECTIONS, WHERE MOST BRAKING TAKES PLACE, MAKING IT A MORE DANGEROUS DEFECT. WE PURCHASED THE CAR AT THE END OF JULY, 2009. WE REPORTED THE PROBLEM TO THE TOYOTA DEALERSHIP WHEN THE CAR WAS IN FOR ITS FIRST 5000 MILE SERVICE IN JANUARY, 2010. THEY ROAD-TESTED THE CAR BUT COULD NOT REPLICATE OUR EXPERIENCE, SO THEY COULD NOT DIAGNOSE THE ISSUE. *TR

Mileage: 4,500

MY 2010 TOYOTA PRIUS UNDER CERTAIN CONDITIONS WILL HAVE A REDUCTION IN BRAKING POWER. IT WILL GIVE THE ILLUSION OF ACCELERATION, BUT I BELIEVE THE PROBLEM IS A REDUCTION IN BRAKING POWER. THIS PROBLEM HAS HAPPENED REPEATEDLY AND I FREQUENTLY EXPERIENCE IT IN A LOCATION I REGULARLY DRIVE. AS I APPROACH A 4-WAY STOP THERE IS A BUMP THAT COVERS THE WIDTH OF MY LANE. AS THE FRONT TIRES GO OVER THE BUMP THE CAR FEELS LIKE IT START TO TAKE OFF JUST SHORT OF THE STOPPING POINT. IT QUICKLY RECOVERS AND I AM ALWAYS ABLE TO STOP, BUT THE FEELINGS IS UNNERVING SINCE IT HAPPENS SO CLOSE TO THE STOPPING POINT. I HAVE CONTACTED MY TOYOTA DEALER, BUT THEY SAY THEY HAVE NO REPORTED PROBLEMS AND DID NOT EVEN TAKE ANY INFORMATION. *TR

Mileage: 7,900

TOYOTA PRIUS 2010 FAILED TO STOP AT STOP SIGN. I GOT A BRAND NEW TOYOTA PRIUS 2010 IN LATE OCTOBER 2009. MOST OF THE TIME THE BRAKES HAVE BEEN VERY GOOD HOWEVER I NOTICED SEVERAL TIMES THAT WHEN I PRESS THE BRAKES THE CAR KEPT GOING FOR A GOOD FEW SECONDS BEFORE IT STOPS. YESTERDAY I WAS IN A SMALL LOCAL ROAD WITH SPEED AROUND 28 MILE/HR. WHEN APPROCHING THE INTERSECTION, I PRESSED THE BRAKE BUT THE CAR WAS NOT SLOW DOWN, I KEPT PRESSING THE BRAKE VERY HARD AND IT FINALLY STOPPED BUT THE CAR WAS INTO THE INTERSECTION ALREADY. THANK GOD, THERE WAS NOBODY CROSSING THE STREET. I GOOGLED PRIUS 2010 BRAKE PROBLEM AND FOUND THERE WERE MANY SAME COMPLAINTS OUT THERE AND SINCE DEALERS COULD NOT REPRODUCE THE DEFECT, THEY CAN NOT OFFER A FIX. *TR

Mileage: 2,000

2010 TOYOTA PRIUS HAS A MAJOR FLAW IN THE REGENERATIVE / HYDRAULIC BRAKING SYSTEM. IF THE CAR IS SLOWING GRADUALLY WITH REGENERATIVE BRAKING ACTIVE AND THE ROAD SURFACE CHANGES DUE TO A POTHOLE, UNEVEN/BROKEN SURFACE, OR SPEED BUMP, THE HYDRAULIC BRAKING IS REENGAGED VERY SLOWLY. THIS CAUSES THE CAR TO APPEAR TO ACCELERATE FOR A SECOND OR TWO UNTIL HYDRAULIC BRAKING IS ENGAGED BY THE CAR'S COMPUTER OR BECAUSE THE DRIVER HAD TO INCREASE BRAKE PEDAL PRESSURE DRAMATICALLY TO SLOW/STOP THE CAR. I HAVE BEEN ABLE TO REPRODUCE THIS DAILY ON A NUMBER OF THE ROADS I CONSISTENTLY TRAVEL. SPEED DURING THESE INCIDENTS IS USUALLY ANYWHERE BETWEEN 5 AND 30 MPH. ONE EXAMPLE: DRIVING ON A ROAD AND COMING TO A STOP LIGHT... SLOWING GRADUALLY ON REGEN BRAKING, THEN I HIT A PART OF THE ROAD WHERE THERE IS AN UNEVEN SURFACE. REGEN BRAKING STOPS AND CAR COASTS WITH NO BRAKING, SOMETIMES FOR UP TO A SECOND OR TWO. THIS IS A MAJOR CONCERN AS IT COULD RESULT IN A CAR ACCIDENT OR PEDESTRIAN DEATH. I HAVE ALREADY HAD AT LEAST TWO NEAR MISSES WHERE I HAVE HAD TO SLOW OR STOP SUDDENLY WHILE BRAKING IN REGEN MODE AND THE SWITCH TO HYDRAULIC MODE IS SEVERELY DELAYED. THIS COULD HAVE RESULTED IN REAR-ENDING A CAR IN FRONT OF ME. ISSUE HAS BEEN OBSERVED SINCE I FIRST OBTAINED THE CAR IN JULY 2009. *TR

Mileage: 6,940

MULTIPLE EVENTS/FAILURES, HERE IS A SUMMARY: 1) WHILE BRAKING OVER ROUGHER ROAD CONDITIONS -- NOT POTHOLES, BUT REGULAR ROUGHNESS/BUMPS IN ROADS -- BRAKES FEEL LIKE THEY MOMENTARILY NO LONGER FUNCTION/GO OUT. AS SOON AS YOU RETURN TO SMOOTH ROAD SURFACES, THE PROBLEM CORRECTS ITSELF. THIS HAS OCCURRED ON NUMEROUS OCCASIONS, THE DEALERSHIP WITH WHOM I PURCHASED MY VEHICLE WERE UNAWARE OF THE PROBLEM WHEN I CALLED THEM, EVEN THOUGHT IT HAS BEEN DISCUSSED IN THE NATIONAL NEWS. 2) BRAKE MALFUNCTION ON SLIPPERY ROADS. I WAS DRIVING TO WORK AND GOING VERY SLOW, LEAVING MORE THAN ENOUGH SPACE TO STOP FROM THE CAR IN FRONT OF ME. I APPROACHED A RED LIGHT AND LIGHTLY APPLIED THE BRAKES. HAVING PLENTY OF SPACE TO STOP, I REALIZED THAT MY CAR WAS NOT SLOWING AS IT SHOULD. REGARDLESS OF THE PRESSURE APPLIED THERE WAS NO CHANGE. I ENDED UP STOPPING BY REARENDING THE VEHICLE IN FRONT OF ME. THE DAMAGE WAS MINIMAL, BUT SCARY NONETHELESS. *TR

Mileage: 5,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT THE BRAKES WOULD NOT RESPOND WHEN SHE DEPRESSED THE BRAKE PEDAL. THE FAILURE OCCURRED ON AN INTERMITTENT BASIS (A TOTAL OF 6 TIMES SO FAR). THERE WERE NO WARNING LIGHTS. SHE HAD NEITHER TAKEN THE VEHICLE TO THE DEALERSHIP NOR CALLED THE MANUFACTURER TO-DATE. THE VEHICLE HAD NOT BEEN REPAIRED AT THE TIME OF THE COMPLAINT. THE VEHICLE IDENTIFICATION NUMBER WAS NOT AVAILABLE AT THE TIME OF THE COMPLAINT. THE CURRENT MILEAGE WAS APPROXIMATELY 800. THE FAILURE MILEAGE WAS APPROXIMATELY 60.

Mileage: 60

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED HIS BRAKES ARE NOT HOLDING WHEN HE STEPS ON THE BRAKES. THE CONTACT STATED IT FEELS AS IF HE IS BRAKING ON ICE, SLIDING TO MAKE A STOP. THE FAILURE IS INTERMITTENT. THE CONTACT CALLED THE DEALER AND THEY STATED THEY HAD NOT HEARD OF THIS PROBLEM. THE CONTACT WILL BE TAKING THE VEHICLE IN TO BE REPAIRED.THE FAILURE MILEAGE 6700.

Mileage: 6,700

I PURCHASED A TOYOTA PRIUS 2010 IN OCTOBER LAST YEAR. I HAVE HAD ONE BRAKING FAILURE INCIDENT WHEN THE CAR FAILED TO BRAKE AS I WAS APPROACHING A STOP STREET. THE BRAKES DID NOT RESPOND AND THEN A FEW SECONDS LATER KICKED IN AND THE CAR CAME TO A SLOW STOP. I HAVE ALSO EXPERIENCED ABOUT 6 INCIDENTS WHERE MY CAR ACCELERATED WHILE MY FOOT WAS ON THE BRAKE. THESE INCIDENTS OCCURRED WHEN I TRAVELED OVER A BUMP OR VARIANCE IN THE ROAD. I HAVE SCHEDULED A SERVICE SO THAT TOYOTA CAN REVIEW THE BRAKING SYSTEM IN MY CAR. *TR

Mileage: 3,000

WE OWN A 2010 PRIUS AND SEVERAL TIMES SINCE WE PURCHASED IT IN NOVEMBER 2009 WE HAVE NOTICED ISSUES WITH THE BRAKING SYSTEM. ON EACH OCCASION WE WERE DRIVING OVER AN UNEVEN OR SLIPPERY SURFACE (E.G., POTHOLES, ICY MANHOLE COVERS) AND WHEN THE BRAKE WAS PRESSED IT DIDN'T IMMEDIATELY ENGAGE OR CATCH. RATHER, THE BRAKES ENGAGED AFTER THE CAR PASSED THE SLIPPERY OR BUMPY SURFACE. THE PROBLEM SEEMS TO RESULT IN AN ACCELERATION (OR PERHAPS SLOWER DECELERATION) WHEN ONE STEPS ON THE BRAKE PEDAL. ON AT LEAST ONE OCCASION, AN INDICATOR LIGHT ON THE DASH DISPLAY LIT UP. *TR

Mileage: 800

WHILE BRAKING AND COMING TO A STOP AT AN INTERSECTION, AND IF THERE IS A BUMP ON THE ROAD, THE AUTO CONTINUES TO MOVE FORWARD, EVEN IF YOU DEPRESS THE BRAKE COMPLETELY, THE AUTO CONTINUES TO MOVE FORWARD, ABOUT ANOTHER 10 TO 15 FEET. THIS HAS HAPPEN NUMEROUS OF TIMES AND DEALER SAYS THEY HAVE NO ANSWER TO THE PROBLEM. *TR

Mileage: 4,500

I PURCHASED A 2010 PRIUS IN AUGUST 09 AND HAVE PROBLEMS WITH THE BRAKING SYSTEM. THE CAR "LURCHES" FORWARD WHEN APPLYING THE BRAKES ON A BUMPY SURFACE. I WAS FORTUNATE ON A NUMBER OF OCCASIONS THAT THERE WAS DISTANCE BETWEEN ME AND THE CAR IN FRONT OF ME. AFTER 3 OR 4 OCCASIONS OF EXPERIENCING THIS, I TOOK THE CAR TO THE DEALERSHIP IN OCT TO HAVE THEM CHECK IT OUT. I WAS TOLD THAT THE BRAKES WERE FINE, NOTHING SHOWED UP IN COMPUTER ELECTRONICS AND THERE WERE NO RECALLS. THEY TOLD ME THAT I HAD TO LEARN HOW TO DRIVE A HYBRID AND ONLY DRIVE ON SMOOTH SURFACES! WHAT CITY HAS SMOOTH ROADS WITH NO SEAMS OR BUMPY SURFACES ON IT. IT CONTINUED TO HAPPEN SO I CALLED THE DEALERSHIP A WEEK LATER AND WAS TOLD THAT IF I COULD RECREATE THE PROBLEM THE SHOP FOREMAN WOULD GO OUT FOR A TEST DRIVE WITH ME. RECREATING THE PROBLEM IS NEARLY IMPOSSIBLE. I AM A REALTOR AND MY LIVELIHOOD DEPENDS ON MY HAVING A RELIABLE CAR. I AM NERVOUS DRIVING MY CAR AND FIND THAT I DRIVE ALWAYS ANTICIPATING THAT I AM GOING TO HAVE A BRAKE PROBLEM...THIS IS NOT A SAFE WAY TO DRIVE. THE PROBLEM CONTINUES AND I DO NOT FEEL SAFE DRIVING MY VEHICLE. I AM HAPPY TO HEAR THAT YOU ARE LOOKING INTO IT. ALSO, CHECK OUT THE PRIUS CHAT ROOM FOR MORE COMPLAINTS ABOUT THE BRAKING PROBLEM. THANKS SO MUCH FOR YOUR INVESTIGATIVE WORK. *TR

MY WIFE AND I HAVE BOTH EXPERIENCED RARE BUT SCARY BRAKING IN OUR NEW 2010 PRIUS. UNDER THE RIGHT CONDITIONS THERE IS A DEFINITE LAG (LESS THAT TWO SECONDS)BETWEEN APPLICATION OF THE BRAKE PEDAL AND WHEN THE BRAKES ACTUALLY ENGAGE. I SUSPECT AN ELECTRONIC PROBLEM IS NOT TELLING THE ELECTRIC TRACTION MOTOR TO SHUT OFF FAST ENOUGH DURING THESE BRAKING EVENTS, SO THE CAR IS BRAKING AGAINST ITS TRACTION MOTOR WHICH IS STILL PUSHING THE CAR. WE'VE ATTEMPTED TO PINPOINT THE CONDITIONS WHEN THIS UNUSUAL BRAKING BEHAVIOR OCCURS AND HERE IS OUR BEST DESCRIPTION: 1. HAPPENS WHEN ONE FRONT WHEEL HITS A SLICK SPOT LIKE A WET MANHOLE COVER OR STORM GRATE DURING BRAKING AND THE ABS CUTS IN 2. IT HAPPENS DURING BRAKING ON VERY BUMPY ROADS ESPECIALLY IN TIGHT CORNERS WHERE TRACTION MAY BE LOST MOMENTARILY ON BRAKING CAUSING THE ABS SYSTEM TO CUT IN. 3. IT HAPPENS AT RELATIVELY LOW SPEEDS BELOW 25MPG AND WHEN THE ACCELERATOR IN NOT PRESSED AND USUALLY WHEN THE TRACTION MOTOR IS RUNNING. WE DRIVE TWO OTHER CARS (NON-HYBRID)OVER THE SAME ROADS IN SIMILAR CONDITIONS AND DON'T EXPERIENCE THESE BRAKING ANOMALIES. THE TOYOTA DEALER CAN'T IDENTIFY A PROBLEM. *TR

Mileage: 6,000

MY WIFE AND I PURCHASED A 2010 TOYOTA PRIUS (NEW) IN JULY, 2009. WE HAVE DRIVEN IT SLIGHTLY MORE THAN 8,000 MILES. I HAVE TWO SAFETY RELATED COMPLAINTS TO REPORT WITH THE BRAKING SYSTEM: COMPLAINT #1 - SEVERAL TIMES (PERHAPS 10-15) WHEN APPLYING THE BRAKES AFTER COASTING A SHORT DISTANCE AS I PREPARE TO STOP, I HAVE MOMENTARILY LOST ALL BRAKING. IT FEELS AS IF I HAVE HIT A PATCH OF GLARE ICE WITH ALL FOUR WHEELS. IT ALWAYS HAPPENS THE MOMENT I FIRST APPLY THE BRAKES, AND THEN AFTER A MOMENT (PERHAPS A SECOND OR LESS) THE BRAKING SYSTEM RETURNS TO NORMAL OPERATION. FOR THAT BRIEF TIME THERE IS NO BRAKING ACTION AT ALL. COMPLAINT #2 - SEVERAL TIMES (PERHAPS 8-10) WHEN TAKING THE CAR FROM "PARK" TO "REVERSE" TO BACK OUT OF A PARKING SPACE, THE BRAKING SYSTEM IS SO SENSITIVE THAT IT IS NEARLY IMPOSSIBLE TO CONTROL THE CAR'S SPEED. THE BRAKE PEDAL HAS NEARLY NO "PLAY" OR "FEEL" TO IT, CAUSING THE CAR TO JERK TO A STOP WHEN THE SLIGHTEST PRESSURE IS APPLIED. THIS RESULTS IN A PATTERN OF "COAST A FEW FEET AND JERK TO A STOP, COAST A FEW FEET AND JERK TO A STOP", REPEATED SEVERAL TIMES WHILE BACKING UP THE NECESSARY 30 +/- FEET. I DON'T RECALL EVER EXPERIENCING THIS PROBLEM WHILE MOVING FORWARD. SINCE I HAVE EXPERIENCED EACH OF THESE MALFUNCTIONS MULTIPLE TIMES OVER THESE PAST SEVEN MONTHS, THE "APPROXIMATE INCIDENT DATE" BELOW IS ARBITRARY. *TR

Mileage: 100

MY 2010 TOYOTA PRIUS DOES EXPERIENCE MOMENTARY BRAKE FAILURE WHEN HITTING BUMPS OR POTHOLES. THE PROBLEM NEVER LASTS MORE THAN A MOMENT AND HAS NOT CAUSED ANY ACCIDENTS OR NEAR ACCIDENTS. I HAVE NOT BROUGHT THE CAR FOR REPAIR. *TR

THIS HAS OCCURRED SEVERAL TIMES IN THE 5 MONTHS THAT I HAVE BEEN DRIVING MY 2010 TOYOTA PRIUS HYBRID. I WOULD GO OVER A POT HOLE OR LARGER BUMP AND INSTEAD OF MY BRAKES INITIATING WHEN I PRESS THE BRAKES THERE IS A QUICK ACCELERATION AND THE CAR LITERALLY LURCHES FORWARD INSTEAD OF SLOWING DOWN. ALSO, THERE IS A LONG LAG TIME BETWEEN PRESSING THE BRAKES AND THE BRAKES ACTUALLY INTIATING WHICH IS CONSISTENT AND OCCURS ALL THE TIME. *TR

Mileage: 8,200

1) DRIVING AT ABOUT 35 TO 40 MPH ON A FLAT SMOOTH ROAD APPROACHING A RED LIGHT. APPLYING THE BRAKES LIGHTLY TO SLOW DOWN BEFORE STOPPING. HIT A SHALLOW POTHOLE ON RIGHT SIDE. PROBABLY A MANHOLE COVER. 2) VERY QUICKLY, LASTING ONLY A SPLIT SECOND, THE BRAKES SEEMED TO COME LOOSE AND THEN RE-ENGAGE. THIS DIDN'T GET MY ATTENTION TOO MUCH THE FIRST TIME, BUT THEN IT HAPPENED A FEW WEEKS LATER AGAIN AT THE SAME PLACE UNDER THE SAME CONDITIONS. IT IS APPARENTLY REPEATABLE WITH MY 2010 PRIUS! 3) NOTHING DONE YET. DOES NOT SEEM TO BE SEVERE ENOUGH TO WARRANT WORRYING ABOUT RIGHT NOW. *TR

Mileage: 5,800

WHILE DRIVING OVER A SMALL UTILITY ACCESS COVER IN THE ROAD, AT A RELATIVELY LOW SPEED, OUR 2010 TOYOTA PRIUS MOMENTARILY LOST BRAKING POWER AND SEEMED TO ACCELERATE FOR A VERY BRIEF MOMENT. ALTHOUGH BRAKING POWER WAS REGAINED VERY QUICKLY, THIS WAS ALARMING SINCE THERE WAS A PEDESTRIAN IN THE CROSSWALK IMMEDIATELY IN FRONT OF THE VEHICLE. ALTHOUGH THIS HAS OCCURRED ONLY ONCE AT THE TIME OF THIS REPORT, WE HAVE ALSO EXPERIENCED UNUSUALLY SENSITIVE BRAKING WHILE IN REVERSE. THIS PROBLEM WAS ALLEVIATED BY SHIFTING INTO NEUTRAL AND THEN AGAIN INTO REVERSE. THE PROBLEM WHILE IN REVERSE HAS OCCURRED TWICE AT THE TIME OF THIS REPORT. THIS IS MY 3RD TOYOTA PRIUS AND THE FIRST WITH ANY BRAKING ISSUES. THE CAR HAS LESS THAN 2500 MILES ON IT NOW AND HAD APPROXIMATELY 1500 AT THE TIME OF THE LOSS OF BRAKING POWER. *TR

Mileage: 1,500

INFREQUENTLY, BUT REPEATEDLY, WHILE BRAKING AT LOW SPEEDS, THE BRAKES ON MY 2010 TOYOTA PRIUS WILL BRIEFLY CUT OUT. WHEN THIS OCCURS, THE CAR WILL OFTEN SEEM TO SURGE FORWARD FOR THE BRIEFLY PERIOD; IT IS HARD TO TELL IF THIS IS SIMPLY A PERIOD OF DISCONTINUED DECELERATION, OR IN FACT A BRIEF BURST OF ACCELERATION. IN OVER SEVEN MONTHS OF OWNERSHIP, THIS HAS OCCURRED AT LEAST 10 TIMES, BUT CERTAINLY LESS THAN 50. IT TYPICALLY SEEMS TO HAPPEN WHEN TRAVELING ON WET ROADS (I LIVE IN SEATTLE) OR AFTER SUDDEN CHANGE IN THE NATURE OF THE ROAD (I.E. A POT HOLE OR CHANGE OF ROAD SURFACE HEIGHT/TYPE). SO FAR THIS HAS NOT RESULTED IN ANY INJURY OR CRASH, BUT IS CONCERNING. *TR

2010 TOYOTA PRIUS (PACKAGE IV) SUDDENLY ACCELERATES WHILE BRAKING OVER A BUMP, LIKE A MANHOLE COVER. IT OCCURS SEVERAL TIMES PER WEEK. NO SERIOUS CONSEQUENCES SO FAR, BUT COULD BE TROUBLESOME IF IT OCCURS NEAR OTHER CARS AT A LIGHT OR STOP-AND-GO TRAFFIC. I TOOK IT TO THE TOYOTA AGENCY WHERE THEY DROVE MY CAR WITH ME AND DID NOTICE IT, BUT DIDN'T KNOW WHAT TO DO ABOUT IT OR THINK IT WAS A SERIOUS PROBLEM. WE ALSO DROVE ANOTHER 2010 PRIUS ON THEIR LOT TO DETERMINE THAT THE SAME PROBLEM EXISTED IN IT. I DON'T KNOW IF THE BRAKING IS AIR, HYDRAULIC, OR ELECTRIC, SO I SELECTED ALL THREE. *TR

Mileage: 4,000

I HAVE A 2010 TOYOTA PRIUS IV. ON AT LEAST TWO OCCASIONS, WHEN I PRESSED THE BRAKE PEDAL AND HIT A POTHOLE, THE CAR'S BRAKES SEEMED TO HAVE STOPPED WORKING FOR 1-3 SECONDS. IT FELT AS IF I LIFTED MY FOOT OFF THE BRAKE PEDAL BUT I WAS PRESSING IT ABOUT 1/3 OF THE WAY DOWN. THIS INCREASED MY BRAKING DISTANCE SUBSTANTIALLY. LUCKILY THERE WAS NO CAR OR PEDESTRIAN IN FRONT OF ME. IF THERE WAS ONE, I WOULD HAVE DEFINITELY HIT THEM. *TR

Mileage: 1,000

I HAVE A 2010 PRIUS THAT IS NOW ABOUT SIX MONTHS OLD. I THOUGHT I WAS NUTS WHEN I DESCRIBED TO MY WIFE THE INCIDENT OF BRAKING OVER A MANHOLE COVER AND FEELING THE CAR SEEM TO SLIP AND JERK FORWARD FOR A SECOND. SEEING AN ARTICLE AT CNN.COM THIS MORNING CAUSED ME TO WRITE AS THIS APPEARS TO BE AN ISSUE. *TR

Mileage: 600

I HAD TROUBLE BRAKING MY 2010 PRIUS--WHEN I HIT THE BRAKES AND WENT OVER A BUMP AT THE SAME TIME THE CAR SPED UP INSTEAD OF STOPPING. *TR

Mileage: 3,820

2010 TOYOTA PRIUS BRAKING PROBLEMS. NOT ALWAYS CONSISTENT BRAKING PRESSURE OR BRAKING FORCE. *TR

Mileage: 15,000

THIS IS THE 3RD TIME I HAVE HAD A TOTAL LOCKOUT OF BRAKING ON MY 2010 TOYOTA PRIUS. THIS SEEMS TO HAPPEN MOST TIMES IF THE ROAD IS SLIGHTLY ROUGH AND DOWNHILL. DEALER DENIES ANY KNOWN PROBLEMS BUT THIS LAST TIME I WENT COMPLETELY THROUGH A STOP SIGN. HAD THERE BEEN OTHER TRAFFIC I WOULD HAVE HAD AN ACCIDENT. *TR

Mileage: 14,191

MY 2010 TOYOTA PRIUS, HAS ON AT LEAST FIVE OCCASIONS, SURGED FORWARD WHEN I HIT THE BRAKES, ESPECIALLY COMING OFF OF CRUISE CONTROL HEADING TO A HIGHWAY OFF RAMP. THESE HAVE OCCURRED BETWEEN SEPTEMBER 1 AND THE PRESENT, FEBRUARY 2. THE CAR SURGES FORWARD EVEN THOUGH I AM NOT ACCELERATING AND HAVE IN FACT HIT THE BRAKES. I THEN HIT THE BRAKES HARDER AND THE CAR HAS SLOWED. *TR

Mileage: 2,500

I AM WRITING ABOUT MY 2010 TOYOTA PRIUS. I HAVE NOTICED FAULTY BRAKES ON THE VEHICLE, MAINLY WHEN I AM ATTEMPTING TO BRAKE ON SLIPPERY OR BUMPY SURFACES. I LIVE IN CHICAGO WHERE THERE ARE MANY BUMPY ROADS AND POTHOLES, SO WHEN I'M COMING UP TO A RED LIGHT AND NEED TO STOP OVER A BUMPY SURFACE, IT FEELS LIKE THE BRAKES ARE LOCKING AND THAT I WILL SLIDE INTO THE CAR IN FRONT OF ME. BY PUMPING THE BRAKES, THE CAR WILL STOP, BUT IT IS A FRIGHTENING FEELING THAT I DON'T HAVE CONTROL OVER MY CAR. THE SAME THING HAPPENS WHEN IT IS RAINY OR THE ROADS ARE SLICK. THIS HAS BEEN A CONTINUAL PROBLEM SINCE I PURCHASED THE CAR IN AUGUST 2009, IN FACT I TOOK THE CAR BACK TO THE DEALER A FEW MOTHS LATER TO HAVE IT CHECKED OUT. THEY CLAIMED THAT SINCE I HAVE NOT DRIVEN A HYBRID CAR IN THE PAST THAT I WAS UNFAMILIAR WITH ITS BRAKING SYSTEM, AND THIS WAS HOW A HYBRID'S BRAKES WORKED. I DID NOT ACCEPT THAT ANSWER, BUT WHAT ELSE CAN I DO? I DO NOT WANT THEM TO REALIZE THERE IS A PROBLEM ONLY AFTER A CRASH HAS OCCURRED. *TR

2010 TOYOTA PRIUS - OWNED CAR FOR 8 MONTHS. FIVE TIMES CAR HAS ACCELERATED WHILE I AM PRESSING ON THE BRAKE. HAPPENS WHEN I AM SLOWING DOWN AND HIT A POT HOLE OR BUMP. VERY SCARY! HAVE A TEEN WHO IS LEARNING TO DRIVE AND SHE IS NOT ALLOWED TO USE THE PRIUS. MECHANICS AT DEALERSHIP LOOKED AT ME LIKE I WAS CRAZY. SAID THEY WOULD HAVE TO EXACTLY RE-CREATE PROBLEM TO INVESTIGATE. *TR

WHEN APPLYING BRAKES ON MY PRIUS 2010 WHILE APPROACHING A STOP SIGN OR LIGHT, IF I HIT A BUMP, THE BRAKES WILL BRIEFLY DISENGAGE. THIS HAS HAPPENED ON NUMEROUS OCCASIONS SINCE I PURCHASED THE VEHICLE LAST SUMMER. *TR

Mileage: 500

I HAVE A 2010 TOYOTA PRIUS (PURCHASED JUNE 2009). THE BRAKE SYSTEM ROUTINELY FAILS FOR 1-2 SECONDS IF I AM BRAKING AS I HIT A POTHOLE OR BUMP IN THE ROAD. IT FEELS AS IF BRAKING STARTS, THEN TOTALLY DISAPPEARS FOR 1-2 SECONDS, THEN I FEEL THE ABS SYSTEM KICK IN AFTER THAT. THIS HAS PROBABLY OCCURRED ON THE AVERAGE OF ONCE PER WEEK SINCE I HAVE OWNED MY CAR. IT OCCURS IN ROUTINE CITY DRIVING. *TR

Mileage: 100

I HAVE A 3RD GENERATION 2010 PRIUS. WHEN BRAKING, MY CAR LURCHES FORWARD WITH BRIEF SPURTS OF ACCELERATION IF I HIT A BUMP. THE BUMP OR POTHOLE DOES NOT HAVE TO BE VERY BIG AND THE LOSS OF BRAKING POWER IS FOR A SECOND OR TWO. I DO NOT BELIEVE THIS HAS ANYTHING TO DO WITH THE GAS PEDAL. *TR

1. 2010 PRIUS, BRAKES RELEASE AND CAR SURGES FORWARD IF ONE TIRE HITS A BUMP, POTHOLE OR UNEVEN SURFACE 2. THIS BRAKE FAILURE AND SURGING OCCURS DAILY IN BOTH DIRECTIONS ON MY COMMUTE. IN TWO LOCATIONS THE UNEVEN ROAD SURFACE FALL DIRECTLY BEFORE AN INTERSECTION AND I HAVE A DIFFICULT TIME STOPPING FOR A RED LIGHT OR NEARLY HITTING CAR IN FRONT OF ME. THIS HAS BEEN THE CASE SINCE I BOUGHT THE VEHICLE. 3. ALTHOUGH IT CONSTANTLY SCARES ME AND SEEMS ODD, I HAVE JUST TURNED 5000 MILES ON THE 2010 PRIUS AND HAVE NOT YET HAD IT FOR SERVICE AT THE DEALER. NO PARTS HAVE BEEN ALTERED OR REPLACED. I HAVE OFTEN COMPLAINED ABOUT IT AT HOME OR TO FRIENDS, BUT IT DIDN'T OCCUR TO ME TO REPORT IT. I HAVE NOT YET HAD AN ACCIDENT AS A RESULT OF THE PROBLEM. *TR

Mileage: 5,000

2010 PRIUS BRAKING PROBLEM. CAR FEELS LIKE IT IS JUMPING FORWARD WHILE APPLYING THE BRAKES AND TRAVELING OVER BUMPY ROADS OR POTHOLES. PURCHASED CAR IN OCTOBER 2009 AND THIS HAS OCCURRED MORE THAN 10 TIMES. *TR

Mileage: 500

2010 BRAND NEW PRIUS LURCHES FORWARD OCCASIONALLY WHEN BRAKES ARE APPLIED WHEN TURNING SHARP OR GOING OVER A BUMP. *TR

Mileage: 50

WHEN BRAKING TO COME TO A STOP, THE VEHICLE SUDDENLY ACCELERATES FORWARD OR THE BRAKES FAIL FOR JUST A MOMENT. THIS USUALLY HAPPENS WHEN THE ROAD SURFACE IS UNEVEN, OR IF THERE IS A POTHOLE. IT IS NOT REPRODUCIBLE, BUT HAS CONSISTENTLY HAPPENED ABOUT ONCE OR TWICE A MONTH SINCE I PURCHASED THE NEW VEHICLE IN NOVEMBER, 2009. *TR

Mileage: 3,040

EVENT OCCURS AT SLOW SPEEDS WHEN COMING TO A STOP ON AN ICY SURFACE. INITIALLY BRAKES FEEL LIKE THEY ARE WORKING PROPERLY. THEN THE BRAKES APPEAR TO STOP WORKING FOR SPLIT SECOND. THERE IS A SENSE THAT THE CAR IS ACCELERATING, BUT I BELIEVE THE SENSATION IS CAUSED BY THE BRAKES NOT WORKING. AFTER A SPLIT SECOND THE BRAKES APPEAR TO WORK PROPERLY AGAIN. HAS ONLY OCCURRED AT LOW SPEEDS ON AN ICY SURFACE. THE CONCERN IS THAT THE REQUIRED STOPPING DISTANCE IS EXTENDED BEYOND EXPECTATIONS. THIS HAS OCCURRED ABOUT 10 TIMES THIS WINTER. AFTER THE FIRST INCIDENT, I THOUGHT THE CAR WAS SLIDING ON THE ICE. HOWEVER AFTER REPEATED OCCURRENCES, THE SENSATION IS NOT SLIDING. THE SENSATION IS THAT THE BRAKES HAVE STOPPED WORKING FOR A SPLIT SECOND. *TR

Mileage: 4,000

DRIVING NORMALLY ON A ROUGH ROAD I CAME TO AN INTERSECTION WHERE I HAD TO APPLY THE BRAKES. IN THIS INSTANCE I APPLIED THE BRAKES AND THE VEHICLE STARTED TO SLOW AS NORMAL. I THEN HIT A ROUGH PATCH OF ROAD AND THE BRAKES APPEARED TO HAVE FAILED. THERE WAS NO BRAKING POWER AT ALL. I THEN REAPPLIED THE BRAKES AND THE VEHICLE STARTED TO SLOW AS NORMAL AND THE VEHICLE THEN STOPPED. FOR THE PERIOD WHERE THERE WAS NO BRAKES IT WAS SCARY. *TR

Mileage: 1,500

WHEN BRAKING AND HITTING A BUMP AT THE SAME TIME THERE IS A LOSS OF BRAKING POWER. THE VEHICLE LUNGES FORWARD AS IF THE BRAKES HAVE STOPPED WORKING MOMENTARILY. THIS CAUSED ME TO HAVE TO USE ADDITIONAL CRASH AVOIDANCE MANEUVERS, IN ANOTHER CIRCUMSTANCE COULD HAVE CAUSED AN ACCIDENT. IT FEELS AS IF A PORTION OF THE BRAKING SYSTEM SHUTS OFF AFTER HITTING THE BUMP. *TR

Mileage: 15,000

1. GOING SLIGHTLY DOWNHILL, ONE OF THE FRONT TIRE WENT OVER A POTHOLE, ON OTHER OCCASIONS, GOING OVER A SLIGHTLY BUMPY WET ROAD 2. TEMPORARY (ABOUT 2-4 SECONDS) BRAKE LOSS, HAS OCCURRED ABOUT 3-5 TIMES IN 3 MONTHS 3. NOTHING DONE SO FAR, WAITING TO VISIT DEALER AT 5000 MILES OR FOR TOYOTA TO ISSUE SOME KIND OF RECALL. *TR

Mileage: 1,000

BRAKE PROBLEMS: MY 2010 PRIUS, WHICH I PURCHASED LAST OCTOBER, HAS BEEN HAVING SPORADIC PROBLEMS WITH THE BRAKES. IT USUALLY OCCURS ON THE STREETS, AND AT LOW SPEEDS, AND THE CAR SEEMS TO LUNGE FORWARD EVEN THOUGH I HAVE MY FOOT ON THE BRAKES. IT'S AS IF I STOPPED BRAKING EVEN IN FACT, I'VE BEEN PUTTING UNIFORM PRESSURE ON THE BRAKES. THANKFULLY, THIS HAS NOT CAUSED ANY INJURIES OR ACCIDENTS, BUT I AM CONCERNED ABOUT THE PROBLEM. *TR

Mileage: 6,700

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE THE CONTACT WAS ATTEMPTING TO STOP THE VEHICLE WHILE TRAVELING AT A LOW SPEED OVER A BUMP THE CONTACT NOTICED THAT THE VEHICLES BRAKES WOULD SUDDENLY RELEASE FOR A SHORT MOMENT AND THEN WORKS PROPERLY. THE VEHICLE HAS NOT BEEN DIAGNOSED BY THE DEALERSHIP AND THERE WERE NO PRIOR WARNINGS. THE CURRENT AND FAILURE MILEAGES WERE 11000. THE CONSUMER STATED HE TOOK THE VEHICLE TO THE SERVICE DEALER TO HAVE THE RECALL PERFORMED ON THE BRAKES, HOWEVER THE VEHICLE CONTINUES TO EXHIBIT THE SAME PROBLEM. WHEN BRAKING, THE THEY SEEM TO RELEASE. UPDATED 06/15/10.*JB

Mileage: 11,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED WHEN DEPRESSING THE BRAKES TO STOP THE VEHICLE IT IS GRABBING AND JERKING. WHILE USING THE VEHICLE'S SPEED CONTROL UPON SETTING IT THE VEHICLE WOULD ACCELERATE, BUT WHEN THE BRAKES ARE APPLIED THE VEHCILE WOULD OPERATE NORMALLY. THE CONTACT STATED THAT HE MONITORS THE FAILURES. THE VEHICLE HAS NOT YET BEEN DIAGNOSED BY THE DEALER.THE FAILURE MILEAGE 6,200.

Mileage: 6,200

WHEN DRIVING AT MODERATE SPEEDS ON CITY/SURFACE STREETS IN MY 2010 PRIUS, A BRAKING PROBLEM OCCURS. IF I HIT A BUMP IN THE ROAD WHILE BRAKING, THE VEHICLE LURCHES FORWARD AS IF THE BRAKES HAVE DISENGAGED, EVEN THOUGH I AM STILL PRESSING THE BRAKE. I PUSH THE BRAKES DOWN HARDER AND NOTHING HAPPENS. A FEW SECONDS LATER, THE BRAKES COME BACK INTO PLAY AND THE CAR SLOWS DOWN AGAIN. THIS HAS HAPPENED SEVERAL TIMES, AND I HAVE NARROWLY AVOIDED ACCIDENTS CAUSED BY THIS SEVERAL TIMES. *TR

Mileage: 2,900

I OWN A 2010 TOYOTA PRIUS AND HAVE NOTICED THAT IF YOU ARE APPLYING THE BRAKES AND ONE OF THE WHEELS OF THE CAR HAPPEN TO HIT A POTHOLE OR BUMP THE BRAKES SEEM TO MOMENTARILY RELEASE AND THEN GRAB AGAIN. MY FOOT IS NOT COMING OFF THE BRAKE PEDAL. IT'S AS IF THE CAR LUNGES AHEAD FOR A SPLIT SECOND. THIS HAS HAPPENED MORE THAN ONCE. *TR

Mileage: 3,500

BRAKES ON PRIUS 2010 PERIODICALLY HAVE A "LAG" OR DELAY TIME BEFORE THEY ENGAGE. I APPLY THE BRAKES, AND NO GRABBING OR SLOWING DOWN OCCURS FOR 2-3 SECONDS. THIS BEGAN TO HAPPEN DURING JANUARY (CAR PURCHASED IN NOVEMBER). I HAVE 7000 MILES ON THE CAR. 1ST TIME- WENT OVER ROUGH PART OF ROAD AND APPLIED BRAKES, DELAYED TIME UNTIL BRAKES ACTED. FELT AS IF I WAS FLOATING- LOSS OF TRACTION FEELING. BROUGHT CAR INTO TOYOTA WESTPORT CT DEALER ON JAN 14, 2010 AND WAS TOLD NO PROBLEM FOUND. IT HAS CONTINUED TO OCCUR: 2ND TIME - COLD MORNING AND 3X NO BRAKING TRACTION AS DRIVING ABOUT 10-20 MPH AND TRYING TO SLOW DOWN FOR A STOP SIGN AND WHEN A CAR ENTERED FROM A SIDE STREET 3RD TIME (FEB 2, 2010) - ON HIGHWAY AROUND 2 PM. CRUISE CONTROL WAS ON AND APPLIED BRAKES - NO SLOWING DOWN FOR ABOUT 3 SECONDS. VERY SCARY FEELING AS IT HAPPENS. *TR

Mileage: 7,000

I BOUGHT A 2010 TOYOTA PRIUS IN JUNE OF 2009. ON SEVERAL OCCASIONS, I HAVE NOTICED THE BRAKES NOT WORKING PROPERLY WHEN I HAVE TRIED BRAKING WHILE GOING OVER A SPEED BUMP. INSTEAD OF SLOWING OR STOPPING, THE CAR FEELS LIKE IT ACTUALLY IS LURCHING FORWARD. IT CORRECTS ITSELF ALMOST IMMEDIATELY, BUT THERE IS THAT SECOND WHEN IT FEELS LIKE IT ISN'T GOING TO STOP. IN READING SEVERAL STORIES ABOUT REPORTED BRAKE ISSUES WITH THE PRIUS, I REALIZED THAT OTHER PEOPLE ARE HAVING THE SAME ISSUE. I HAVE PUT IN BELOW THE APPROXIMATE DATE THAT WAS THE LAST TIME THIS HAPPENED. *TR

Mileage: 10,000

I'M THE OWNER OF A 2010 PRIUS AND TWICE NOW WHEN APPLYING THE BRAKES FIRMLY DURING A RAIN SOAKED DAY WHILE GOING OVER THE TEMPORARY STEEL PLATES USED DURING ROAD REPAIRS AS SOON AS THE BACK WHEELS HIT THE SURFACE THE CAR SHOOTS A HEAD AS IF THE BRAKES ARE TEMPORARILY NOT APPLYING PRESSURE AT ALL. NO ONE WAS HURT IT IS JUST VERY UNSETTLING . *TR

Mileage: 4,000

MY VEHICLE HAS GONE INTO A SLIDE WHEN BRAKING...FEELS LIKE THE BRAKES ARE LOCKED ALTHOUGH I HAVE ANTILOCK BRAKES. I HAVE SLID INTO AN INTERSECTION TWICE AND I WOULD SAY THERE WAS SAND LEFT OVER FROM SNOW MELT. THIS IS A BRAND NEW CAR AND I DEFINITELY CAN FEEL A DIFFERENCE THAT HAS CAUSED ALARM POSSIBLY 4 OR 5 TIMES IN 4 MONTHS. *TR

Mileage: 2,000

WHILE DRIVING MY 2010 PRIUS, I HAVE EXPERIENCED UNINTENDED BRAKE RELEASE ON 6 OCCASIONS SINCE TAKING DELIVERY OF THE CAR IN JUNE 2009. DURING THE SUMMER, ON DRY PAVEMENT, THE 1ST INCIDENT OCCURRED WHILE APPROACHING AN INTERSECTION AND GOING INTO A RIGHT TURN, THE LEFT FRONT WHEEL ROLLS OVER A (FLUSH TO THE PAVEMENT) MANHOLE COVER. THE CAR LOST BRAKING AND JUMPED/SLIPPED FORWARD. FORTUNATELY, THERE WAS NO CAR CLOSE IN FRONT OF ME. THIS OCCURRED 2X AS THIS IS ONE OF MY NORMAL ROUTES TO WORK. ON 2 OTHER OCCASIONS, NEAR MY HOME APPROACHING AN INTERSECTION IN WHICH I NEEDED TO SLOW DOWN, THE CAR JUMPED WHEN APPLYING THE BRAKES. THE PAVEMENT WAS IN 2 SECTIONS (SPLIT HORIZONTALLY), ONE PART CONCRETE AND THE ADJOINING SECTION ASPHALT. THE CAR SLIPPED/JUMPED FORWARD WHILE BRAKING. THE 5TH OCCASION OCCURRED APPROACHING AN INTERSECTION AND THE CAR LURCHED FORWARD AS I TRIED TO STOP ALMOST HITTING THE CAR IN FRONT OF ME. THIS WAS ON DRY PAVEMENT, DON'T KNOW THE REASON. GOING OVER POTHOLES ON AT LEAST 1 OCCASION,THE SAME REACTION. HAD MENTIONED TO THE DEALERSHIP SEVERAL TIMES, THE FIRST TIME BEING AT A NEW OWNER ORIENTATION MEETING. THEY WERE NOT FAMILIAR WITH THIS ISSUE. WAS ADVISED IF IT KEEPS OCCURRING, TO BRING THE CAR IN FOR AN INSPECTION. I NOW HAVE AN INSPECTION SCHEDULED FOR FRIDAY FEB 5TH AT THE DEALERSHIP. *TR

Mileage: 500

LOW SPEED BRAKE FAILURE ON 2010 TOYOTA PRIUS. THIS DESCRIBES JUST ONE OF MULTIPLE TIMES I HAVE HAD WHAT SEEMS LIKE A SHORT, BUT TOTAL LOSS OF BRAKES ON THIS VEHICLE. EACH TIME, I WAS EASY TO MEDIUM BRAKING AND HIT A BUMP OR WAS ON ROUGH SURFACE. THE BRAKES JUST APPEAR TO FAIL. NATURAL REACTION IS TO PRESS HARDER ON BRAKE PEDAL. USUALLY BY THIS REACTION TIME THE BRAKES ARE BACK AND YOU STOP ABRUPTLY OR SKID TO A STOP. IT HAS SOMETHING TO DO WITH ROUGH ROADS OR BUMPS THAT HAPPEN AT A GIVEN POINT DURING BRAKING. VERY SCARY SITUATION. THIS HAS HAPPENED ON BOTH DRY PAVEMENT AND SNOW PACKED ROADS. AGAIN, THE COMMON FACTOR IS THE "BUMP" DURING BRAKING. EACH TIME I WAS THE ONLY PERSON IN THE VEHICLE AND THE VEHICLE HAD NO ADDITIONAL REAR WEIGHT. SPEED WAS UNDER 25-30 MPH. *TR

Mileage: 2,750

I LOSE ALL BRAKING FOR A FEW SECONDS ON MY 2010 TOYOTA PRIUS WHILE GOING OVER ROUGH ROADS AT SLOW SPEED. I HAVE NOT TRIED THIS AT HIGHWAY SPEEDS. I WANTED TO WAIT TO LEARN MORE OF THE PROBLEM FROM MY DEALER. SO WHEN I WAS AT MY TOYOTA DEALERSHIP ON 28 JAN 10,FOR MY CAR'S FIRST SCHEDULED MAINTENANCE, THE ASSISTANT SERVICE MANAGER STATED THAT THE PROBLEM IS PREVALENT ON MOST TOYOTA VEHICLES INCLUDING THE TRUCK HE OWNED. BUT THAT'S NOT WHAT REPORTS HEARD TODAY, 3 FEB 10. *TR

Mileage: 3,500

MY 2010 PRUIS TENDS TO LURCH FORWARD WHEN BRAKING. THIS MAINLY SEEMS TO OCCUR WHEN THE SURFACE CHANGES WHILE BRAKING, LIKE DRIVING OVER A MANHOLE COVER, POTHOLE OR SLIPPERY SURFACE. I HAVE EXPERIENCED THIS EVERY SINCE I BOUGHT THE CAR IN JUNE 2009. I REPORTED IT TO THE DEALER AT MY FIRST CHECK-UP, AND WAS TOLD THAT IT WAS A FUNCTION OF THE UNIQUE BRAKING SYSTEM ON THE PRIUS, AND THAT THEY HADN'T HEARD THE COMPLAINT BEFORE (TOO NEW IN THE MODEL YEAR). NO RECORD WAS MADE OF MY COMPLAINT. I HAVE LIVED WITH IT EVER SINCE, AND IT HAPPENS AT LEAST TWICE A WEEK; JUST HAPPENED AGAIN YESTERDAY. AT ONE INTERSECTION ON MY COMMUTE I HIT THE SAME SURFACE EVERY TIME AND IT LURCHES ALMOST EVERY TIME. IT FEELS ALMOST AS IF I HAVE LIFTED MY FOOT OFF THE BRAKE PEDAL AND IT LURCHES FORWARD, ALTHOUGH I CAN'T SAY IF IT FEELS LIKE IT IS ACCELERATING OR IF IT IS JUST THE INERTIA OF THE CAR THAT CAUSES IT TO LURCH FORWARD. IT HAS NOT CAUSED AN ACCIDENT YET, BUT SINCE THE CAR LURCHES A FEW FEET FORWARD, I KNOW THAT I WOULD HIT ANY CAR TOO CLOSE IN FRONT OF ME. I ALSO WORRY THAT IN SNOW OR ICE IT WOULD CAUSE A SKID TO OCCUR OR SEND ME INTO A DIFFERENT LANE. I WAS NOT AT ALL SURPRISED TO HEAR ABOUT THIS ON THE NEWS THIS MORNING, AND REGRET THAT I DID NOT KNOW ABOUT THIS COMPLAINT FORM TO FILE OR I WOULD HAVE BACK IN JULY. I CAN'T STATE AN INCIDENT DATE SINCE IT IS ONGOING. *TR

WHEN BRAKING NUMEROUS TIMES, MY 2010 TOYOTA PRIUS HAS STOPPED BRAKING AND GIVES THE FEELING THAT IT IS LURCHING FORWARD. MY MOST RECENT INCIDENT OCCURRED WHEN I WAS DRIVING OVER A MAN HOLE AT ABOUT 30-35 MPH. THESE INCIDENTS TYPICALLY OCCUR WHEN BRAKING OVER NON-SMOOTH ROAD SURFACES, SUCH AS POTHOLES. I HAVE OWNED THE CAR SINCE JUNE 2009. *TR

Mileage: 6,500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT NOTICED THAT THERE WERE OCCASIONS WHEN HE LOST BRAKING POWER AND SLIGHT ACCELERATION WHEN HE DROVE OVER A POTHOLE OR BUMP IN THE ROAD. HE STATED THAT THE ISSUE OCCURRED WHEN DRIVING AT LOW SPEEDS IN NORMAL ROAD CONDITIONS. THE CONTACT WAS ABLE TO REGAIN CONTROL AND RESUME NORMAL OPERATION ALMOST IMMEDIATELY AFTER THE FAILURE. HE EXPERIENCED THE ISSUE AT LEAST 12 DIFFERENT TIMES. HE HAD NEITHER TAKEN THE VEHICLE TO THE DEALERSHIP NOR SPOKEN WITH THE MANUFACTURER AT THE TIME OF THE COMPLAINT. THE VEHICLE HAD NOT BEEN REPAIRED TO-DATE. THE CURRENT MILEAGE WAS APPROXIMATELY 3,000. THE FAILURE MILEAGE WAS APPROXIMATELY 150.

Mileage: 150

MY 2010 PRIUS LURCHES OVER BUMPS. THE DEALERSHIP SAID I WAS THE ONLY ONE WITH THIS PROBLEM AND FOUND NOTHING WRONG ON TWO VISITS. I READ THAT I AM NOT THE ONLY ONE WITH THIS PROBLEM, SO I WANT TO ISSUE A COMPLAINT AND ASK WHAT I SHOULD DO NOW. *TR

Mileage: 4,029

MY 2010 PRIUS BRAKES BRIEFLY STOP WORKING WHEN I'M BRAKING WHILE DRIVING OVER A BUMP OR POTHOLE. I HAVE NOT BEEN IN AN ACCIDENT HOWEVER THIS CAN LEAD TO AN ACCIDENT IN THE FUTURE. THIS HAPPENS PERIODICALLY AND CAN BE RECREATED. *TR

Mileage: 6,200

WHEN BRAKING OVER A SMOOTH SURFACE SUCH AS A MANHOLE COVER, THE VEHICLE TENDS TO LURCH FORWARD. *TR

Mileage: 3,500

MY 2010 TOYOTA PRIUS SEEMS TO LOOSE BRAKING ON OR OVER BUMPS. IT SEEMS TO NOT WANT TO STOP FOR A FEW SECONDS AFTER HITTING A BUMP IN THE ROAD. I HAVE TO REMOVE MY FOOT FROM THE BRAKES AND RE APPLY INORDER TO REGAIN BREAKING. THIS HAPPENS ALMOST EVERY TIME WHEN SIMULTANEOUSLY APPLYING THE BRAKES AND GOING OVER A BUMP/POTHOLE IN THE ROAD. *TR

Mileage: 12,000

2010 PRIUS BRAKES DOES NOT WORK IF THE VEHICLE GOES OVER A BUMP OR A POT HOLE WHILE BRAKES BEING APPLIED..IT HAS HAPPENED SEVERAL TIMES...EVEN COMPLAINED TO THE DEALER ONCE...DEALER SAYS THERE ARE NO TECHNICAL BULITON OR TECHNICAL FIX ON THE ISSUE. *TR

Mileage: 6,248

WHEN I BRAKE MY 2010 PRIUS AND HIT A BUMP IT LURCHES FORWARD, CAUSING MOMENTARY LOSS OF CONTROL. *TR

Mileage: 50

2010 PRIUS. CAR LURCHES EVERYDAY WHEN BRAKING AT STOP SIGNS. CAR DRIFTS FORWARD AND DOES NOT IMMEDIATELY RESPOND TO BRAKE PEDAL BEING PUSHED DOWN. OFTEN HAPPENS IN THE MIDDLE OF THE STOP. BRAKES WILL START WORKING BUT THEN "SLIP" IN THE MIDDLE AT VERY LOW SPEEDS. DOUBT THE ANTI-LOCK BRAKE SYSTEM COULD BE THE PROBLEM AS SPEED ARE VERY LOW. HAS BEEN OCCURRING SINCE THE CAR WAS PURCHASE IN THE SUMMER OF 2009. *TR

Mileage: 4,233

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED HER VEHICLE SURGES WHEN SHE GOES OVER A POTHOLE AND HIT HER BRAKES. THIS HAS BEEN HAPPENING SINCE SHE PURCHASE HER VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER AND THE TECHNICIAN TEST DROVE THE VEHICLE WITH HER BUT THE FAILURE DID NOT OCCUR AGAIN. THE FAILURE MILEAGE WAS 4,000.

Mileage: 4,000

FROM THE FIRST DAYS WITH THIS VEHICLE WE HAVE HAD AN INTERMITTENT ISSUE WITH THE BRAKES. SO FAR, THIS ISSUE ONLY OCCURS AT VERY SLOW SPEEDS, SUCH AS WHEN BACKING OUT OF THE GARAGE OR WHEN BACKING OUT OF PARKING SPACES. ON OCCASION, WE HAVE EXPERIENCED THIS PROBLEM IN THE FORWARD DIRECTION WHEN STOPPING IN THE SLOW CONDITIONS OF A PARKING LOT. FOLLOWING IS A DESCRIPTION OF THE BRAKING ACTION: 1. I START THE CAR (POWER BUTTON WITH FOOT ON THE BRAKE). 2. I PLACE THE SHIFT LEVER IN REVERSE OR DRIVE WITH FOOT ON THE BRAKE. 3. I RELEASE THE BRAKE PEDAL. 4. THE CAR EASES BACKWARD (OR FORWARD, AS THE CASE MAY BE). 5. I APPLY THE BRAKE , EITHER TO SHIFT INTO DRIVE OR TO CHECK FOR TRAFFIC BEFORE CONTINUING. 6. SEVERAL TIMES PER WEEK THE BRAKES LOCK THE INSTANT MY FOOT TOUCHES THE BRAKE PEDAL. 7. WHEN THIS PROBLEM OCCURS, THE LOCKING ACTION WILL REPEAT EACH TIME I RELEASE THE BRAKE, EASE BACKWARD OR FORWARD, AND BRAKE AGAIN. 8. THE BRAKE LOCKING IS SO INSTANTANEOUS THAT PASSENGERS' HEADS JERK AND THEY LOOK SURPRISED. 9. THE BRAKING ACTION IS MORE LIKE THAT OF FLIPPING AN ELECTRICAL SWITCH THAN OF PRESSING A BRAKE PEDAL. 10. FROM THE BEGINNING, I HAVE TRIED TO DETERMINE IF A CERTAIN SEQUENCE OF ACTIONS TRIGGERS THE LOCKING. I CANNOT COME UP WITH ANYTHING. SO FAR, THE ONLY CONSTANT IS THAT THIS LOCKING HAPPENS WITH THE FIRST STOPS AFTER STARTING THE CAR. I HAVE NOT EXPERIENCED IT WITH SUBSEQUENT STOPS. HOWEVER, HEAVEN HELP US IF THIS WERE TO OCCUR AT HIGHER SPEEDS! AT THE 5000 MILE SERVICE, I ASKED ABOUT THIS ISSUE. THE SERVICE REP SAID THAT SOME PRIUS OWNERS HAD MENTIONED THAT THEIR BRAKES "GRABBED" ONCE IN A WHILE. THE REP SAID THAT IT COULD BE A "WET BRAKE" ISSUE. *TR

Mileage: 6,450

VEHICLE SURGES FORWARD WHEN BRAKING OVER ROAD SURFACE THAT IS NOT SMOOTH. SYMPTOM MAKES SAFELY JUDGING STOPPING DISTANCE VERY DIFFICULT, AND IN OUR OPINION, INCREASES LIKELIHOOD OF AN ACCIDENT. TOYOTA DEALER CLAIMED THEY COULD NOT REPLICATE ISSUE AND THAT VEHICLE'S COMPUTER DID NOT REPORT/RECORD ANY PROBLEMS. WE CAN REPLICATE ISSUE OVER SAME BUMP EVERYDAY. *TR

Mileage: 3,000

I PURCHASED A 2010 TOYOTA PRIUS V IN NOVEMBER 2009. SHORTLY AFTERWARDS MY WIFE EXPERIENCED THE PROBLEM WITH THE BRAKES. SHE WENT TO APPLY THE BRAKES BUT THE CAR JUST WOULD NOT SLOW DOWN. SHE PRACTICALLY HAD TO STAND TO APPLY ENOUGH PRESSURE TO BRING THE CAR TO A STOP. WE WENT BACK TO THE DEALER TWICE, BUT COULD NOT FIND ANYTHING WRONG. *TR

Mileage: 1,800

2010 TOYOTA PRIUS SEEMS TO ACCELERATE WHEN I APPLY BRAKES TO SLOW DOWN AND CAR GOES INTO SHALLOW POTHOLE. THIS EVENT IS REPEATABLE AND HAPPENS EVERY TIME I SLOW DOWN AT A PARTICULAR STOP SIGN WITH A POTHOLE IN FRONT OF IT. FORTUNATELY THERE HAS NEVER BEEN A CAR IN FRONT OF ME AND I NOW KNOW TO AVOID THIS SPOT. CAR BEHAVES NORMALLY ONCE IT HAS CLEARED THE POTHOLE. THIS OCCURS AT SLOW SPEEDS ( 20MPH DOWN TO 0 ) HAS NOT HAPPENED ANYWHERE ELSE, BUT HAPPENS EVERYTIME AT THIS LOCATION. *TR

Mileage: 3,400

TL* THE CONTACT HAS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT THE VEHICLE FEELS AS IF THE BRAKES RELEASE IF HE HITS A BUMP WHILE PRESSING THE BRAKES. THE CONTACT STATED THAT IT FELT LIKE THE VEHICLE SURGED FORWARD.THE CONTACT STATED THAT IT ONLY HAPPENS WHEN THE VEHICLE HITS A BUMP OR POTHOLE. THE FAILURE MILEAGE WAS 100. THE CURRENT MILEAGE WAS 5000.

Mileage: 100

THE BRAKES SEEM TO RELEASE IF THEY ARE BEING APPLIED WHILE DRIVING OVER A ROUGH SURFACE - SPEED BUMP, POTHOLES, ETC. THIS HAS OCCURRED ABOUT 10-15 TIMES SINCE BUYING THE VEHICLE IN AUGUST 2009. *TR

THE CAR HAS HYPER-SENSITIVE BRAKES WHENEVER I AM BACKING UP FROM A PARKED SPOT (E.G. BACKING UP FROM A PARKING SPACE AT A STORE.) WHEN BACKING OUT OF A SPACE (USING JUST IDLE SPEED AND TAPPING LIGHTLY ON THE BRAKES TO CONTROL THE SPEED) TAPPING LIGHTLY RESULTS IN THE CAR BRAKES FORCEFULLY ENGAGING AND SLAMMING THE CAR TO A STOP. THIS HAPPENS ONLY AFTER THE CAR HAS BEEN WARMED UP; PARKED (LIKE GOING TO THE STORE TO SHOP) AND THEN YOU RE-ENTER IT TO LEAVE. THE HYPER SENSITIVE BREAKS CONTINUE FOR A SHORT PERIOD OF TIME WHILE I AM POSITIONING THE CAR TO GET OUT OF A PARKING SPACE AND ONTO THE ROAD. AFTER THE FIRST OCCURRENCE OF THE FORCEFUL BRAKING, PUTTING THE CAR IN PARK, PUMPING ON THE BRAKES SEVERAL TIMES USUALLY CORRECTS THE PROBLEM. SINCE IT HAPPENS RANDOMLY, YOU NEVER KNOW WHEN IT WILL OCCUR. TOYOTA SAYS THERE IS NOTHING WRONG WITH THE BRAKES WHEN I BROUGHT IT TO THEIR ATTENTION. THEY SAID IT IS COMMON WITH PRIUSES. THIS IS NOT TRUE. I OWN A 2007 PRIUS AND NEVER HAD THIS PROBLEM. THIS PROBLEM HAS BEEN MENTIONED SEVERAL TIMES BY OTHER 2010 PRIUS OWNERS ON THE PRIUSCHAT.COM WEBSITE. *TR

Mileage: 5,000

2010 TOYOTA PRIUS III, PURCHASED DECEMBER 2009 FROM DCH BRUNSWICK TOYOTA, NORTH BRUNSWICK, NJ 08902 I EXPERIENCED ATLEAST 3 DIFFERENT INCIDENTS OF THE FOLLOWING, SOMETIMES AT THE SAME SPOT ON A ROAD - WHEN BRAKING, IF A POTHOLE OR BUMP IN THE ROAD IS HIT, THE CAR SEEMINGLY JERKS FORWARD/ACCELERATES FOR A SPLIT SECOND. *TR

Mileage: 800

MY 2010 PRIUS IV PURCHASED IN JUNE, 2010 HAS ON SEVERAL OCCASIONS WHEN I BRAKE AT SLOW SPEEDS AND I CROSS OVER A BUMP IN THE ROAD THE CAR MOMENTARY SURGES FORWARD. *TR

Mileage: 1,000

I PURCHASED A NEW TOYOTA PRIUS 2010 IN DECEMBER 2009. ALMOST IMMEDIATELY I NOTICED BRAKING WAS 'ODD' AND I FELT LIKE WHEN I WOULD BRAKE SOMETIMES, THE CAR JOLTED FORWARD BEFORE STOPPING. AFTER SOME SELF MONITORING, I REALIZED THIS PARTICULARLY HAPPENED WHEN CROSSING RAILROAD TRACKS NEAR MY HOME EN ROUTE TO WORK. I HAVE NOT HAD AN ACCIDENT BUT INSTEAD, HAVE TRIED TO BRAKE MORE SLOWLY AND IN GENERAL THIS HAS HELPED. HOWEVER, A FEW TIMES IN TRAFFIC I HAVE HAD TO STOP ABRUPTLY AND ABOUT HALF THE TIME IT DOES THE SAME THING, CAUSING ME TO FULLY SLAM ON THE BRAKES. IN THE PAST I HAVE HAD SEVERAL TOYOTA CARS AND RARELY NEEDED THE FULL FORCE OF MY ANTI-LOCK BRAKES IN SUCH SITUATIONS. I HAVE REPORTED THIS PROBLEM TO THE DEALER AND HE REQUESTED I WAIT UNTIL THE 'BREAK-IN' PERIOD WAS OVER BEFORE MAKING ANY DECISIONS. THAT BREAK-IN PERIOD WAS DEFINED AS 5000 MILES AND I AM NOW AT ABOUT 4800, AND THE PROBLEM HAS NOT CHANGED. WHEN I REPORTED IT TO THE DEALER, I HAD ABOUT 3000 MILES ON THE CAR, AND IT WAS ABOUT ONE MONTH AFTER PURCHASE (EARLY JANUARY). AT THE TIME, THE BRAKES WERE CHECKED AND NO PROBLEM WAS IDENTIFIED. TODAY I CONTACTED THE DEALER ABOUT TURNING THE VEHICLE BACK IN SINCE I AM CONCERNED AND NOT HAPPY WITH THE VEHICLE'S PERFORMANCE. *TR

Mileage: 100

I BOUGHT TOYOTA PRIUS 2010 IN EARLY DECEMBER 2009 AND HAVE EXPERIENCED AT LEAST FIVE TIMES BRAKE PROBLEM. I BASICALLY CAN'T MAKE MY CAR STOP EFFECTIVELY WHEN I HIT THE BRAKE. IT IS WORSE WHEN YOU DRIVE FAST OR IN A SNOWY OR ICY DAYS. NOW I HAVE TO SLOW DOWN WAY BEFORE THE STOP SIGN SO I CAN AVOID THE BRAKE PROBLEM, AND I WOULDN'T LET ANYONE ELSE TO DRIVE THE CAR FOR THE FEAR OF CAR ACCIDENT. *TR

Mileage: 500

PRIUS 2010. INTERMITTENTLY LOSE BRAKING ABILITY. ESPECIALLY WHEN ROAD IS WET AND UNEVEN. WHEN COMING TO A STOP LIGHT AND TRAVELING RELATIVELY SLOWLY, IF THE VEHICLE GOES OVER UNEVEN PAVEMENT (POTHOLE OR JUST "RUBBLY"), IT'S AS IF THE ABS GETS CONFUSED AND VERY TEMPORARILY GIVES UP. THIS IS IN CITY DRIVING. STARTING FROM UNDER 20 MPH. TRYING TO STOP AT A LIGHT AND WITH CARS IN FRONT OF ME. I HAVE DRIVEN THE EXACT SAME ROUTE IN OTHER CARS AND NOT HAD THE SAME PROBLEM. (PRIOR VEHICLE WAS BMW 528I (MODEL YEAR 2000). THIS IS A ROUTE I DRIVE DAILY (BETWEEN DROPPING MY DAUGHTER AT SCHOOL AND GOING TO WORK.) I HAVE OBSERVED THE PROBLEM MULTIPLE TIMES. *TR

Mileage: 1,500

2010 PRIUS BRAKE SURGE WHEN HITTING BUMP IN ROAD WHEN BRAKE IS ENGAGE. *TR

Mileage: 200

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE THE CONTACT WAS DRIVING 30MPH TRAVELING OVER A ROUGH TERRAIN HE ATTEMPTED TO BRAKE AND NOTICED THAT THE VEHICLE SUDDENLY SURGED FORWARD BEFORE THE BRAKES WOULD ACTIVATE. THE VEHICLE HAS NOT BEEN DIAGNOSED BY THE DEALERSHIP AND THERE WERE NO PRIOR WARNINGS. THE CURRENT AND FAILURE MILEAGES WERE 1500.

Mileage: 1,500

WHILE DRIVING MY 2010 TOYOTA PRIUS ON ROADS WITH LOTS OF BUMPS, POTHOLES, SEWER COVERS, ETC, I HAVE BRAKING PROBLEMS. WHEN DRIVING OVER ONE OF THESE "OBSTACLES" AND I TOUCH THE BRAKES, THE CAR LURCHES FORWARD AS IF ACCELERATING OR SLIPPING. I CAN THEN RELEASE THE BRAKE AND STEP ON IT AGAIN TO SLOW/STOP THE CAR, BUT IF THERE WAS A CAR CLOSE IN FRONT, I WOULD HAVE CERTAINLY HIT IT. I PURCHASED THE CAR IN AUGUST 2009 AND HAVE HAD THIS SAME PROBLEM HAPPEN AT LEAST 6-10 TIMES. *TR

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED AS SHE WAS DRIVING 5 MPH SHE SLOWED DOWN AND APPLIED THE BRAKE TO STOP THE VEHICLE AND IT LUNGED FORWARD. THIS HAPPEN TWICE. THE VEHICLE HAD NOT BEEN TAKEN TO THE DEALER . THE FAILURE MILEAGE WAS 1,000.

Mileage: 1,000

DRIVING 35MPH ON STRAIGHT ROAD AND RAN OVER SOME UNSEEN POTHOLES. APPLIED BRAKES AND THEY DID NOT FUNCTION AS EXPECTED. MUCH LESS BRAKING POWER THAN NORMAL. *TR

Mileage: 150

I HAVE HAD THE FOLLOWING OCCUR SEVERAL TIMES SINCE I PURCHASED THE VEHICLE IN JULY 2009: WHEN BRAKING ON SNOW OR ICE OR BRAKING WHEN PASSING OVER A BUMP OR POTHOLE THE BRAKES WILL FEEL AS IF THEY ARE SLIPPING AND THE CAR WILL ACCELERATE FOR A FRACTION OF A SECOND. IT'S AS IF THE ABS IS RELEASING THE BRAKES TOO LONG BEFORE REENGAGING THEM, RESULTING IN THE CAR TO STOP DECELERATING MOMENTARILY. *TR

Mileage: 5,000

MY 2010 PRIUS HAS BEEN EXHIBITING MOMENTARY LOSS OF BRAKING WHEN PASSING OVER A ROUGH SURFACE. MY NEIGHBORHOOD HAS SEVERAL ROADS WITH STEEP SLOPES AND ALTHOUGH MY SPEED ON THESE ROUTES IS ALMOST ALWAYS UNDER 20 MPH, ON SEVERAL OCCASIONS I HAVE NOTICED AN UNEASY FEELING OF LOSS OF CONTROL ON PASSING OVER POTHOLES OR SEAMS IN THE PAVEMENT WHEN GOING DOWNHILL. I HAD WRITTEN THIS OFF TO UNFAMILIARITY WITH A NEW VEHICLE, SINCE I ONLY PURCHASED THE CAR ON 12/31/09 BUT WHEN I READ TODAY'S NY TIMES ARTICLE, THE SYMPTOMS IT DESCRIBED WERE EXACTLY WHAT I HAD BEEN EXPERIENCING. I HAVE NOT YET CONTACTED THE DEALERSHIP BUT PLAN TO DO SO RIGHT AWAY. *TR

Mileage: 300

WHEN BRAKING AND GOING OVER ROUGH ROAD OR POTHOLES, THE CAR FEELS LIKE IT IS ACCELERATING. IT IS NECESSARY TO EXERT ADDITIONAL PRESSURE ON THE BRAKE PEDAL, BUT SOMETIMES DOES NOT FEEL LIKE THIS IS HELPING. *TR

Mileage: 3,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONSUMER STATED THE PROBLEM HAS OCCURRED A TOTAL OF 4 TO 5 TIMES. THE DEALER WAS CONTACTED AND THEY STATED THAT THEY NEVER HEARD OF THIS PROBLEM AND IF IT OCCURRED AGAIN TO GIVE TOYOTA A CALL. THERE HAVE BEEN NO REPAIRS DONE TO THE VEHICLE. THE FAILURE MILEAGE WAS 2000 AND CURRENT MILEAGE WAS 8200. UPDATED 3/17/10 *CN THE CONSUMER STATED WHEN HE APPROACHED A STOP LIGHT AT THE TOP OF THE EXT RAMP, AT LESS THAN 35 MPH, HE ENCOUNTERED A BUMPY SURFACE IN THE ROAD AND THE BRAKES SEEMED TO SUDDENLY RELEASE AND THE VEHICLE ROLLED AHEAD. THE BRAKES SEEMED TO RE-ENGAGE MOMENTS LATER, PREVENTING THE VEHICLE FROM HITTING IN CAR AHEAD. IT WAS A MODERATE STOP ON DRY PAVEMENT WITH CONSISTENT PRESSURE ON THE BRAKE PEDAL. UPDATED 05/20/10

Mileage: 2,000

2010 TOYOTA PRIUS - BRAKING ISSUE ON SLIPPERY SERVICE - I FIND THE BRAKING DISTANCE REQUIRED TO STOP THE VEHICLE IS EXCESSIVE WHEN COMPARED TO MY PREVIOUS VEHICLE ON SLIPPERY SERVICES. THIS HAS RESULTED IN THE VEHICLE ROLLING FORWARD INTO INTERSECTIONS BEFORE COMING TO A STOP. I LIVE IN MN WHERE ROAD CONDITIONS CAN BECOME LESS THAN IDEAL. I DO NOT BELIEVE THAT I AM TRAVELING AT AN EXCESSIVE SPEED BUT I HAVE KNOW ADJUSTED MY DRIVING HABITS TO ACCOUNT FOR THE EXTRA DISTANCE REQUIRED TO STOP. *TR

Mileage: 3,000

I OWN A 2010 TOYOTA PRIUS AND HAVE ENCOUNTERED THE SAME ISSUES WITH THE BRAKES THAT MANY OTHERS HAVE REPORTED. WHEN BRAKING (WHICH I DO OVER A LONGER THAN USUAL DISTANCE AND TIMEFRAME BECAUSE OF THE CAR'S ABILITY TO REGENERATE POWER WHILE BRAKING), THE BRAKE PEDAL DROPS AND THE CAR SUDDENLY ACCELERATES WHENEVER THE VEHICLE HITS A BUMP OR POTHOLE. THIS HAS HAPPENED MULTIPLE TIMES SINCE I TOOK POSSESSION OF THE VEHICLE IN JUNE 2009. NO ACCIDENTS OR INJURIES HAVE RESULTED, BUT I MUST BE PARTICULARLY CAUTIOUS OF ROAD CONDITIONS WHEN BRAKING BECAUSE THIS HAPPENS FREQUENTLY AND I AM CONCERNED ABOUT THE POSSIBILITY OF FUTURE ACCIDENTS OR PEDESTRIAN INCIDENTS. *TR

Mileage: 1,000

I HAVE BEEN DRIVING MY 2010 PRIUS FOR 4 MONTHS AND EVERYDAY I DRIVE OVER THIS ROAD NEAR MY WORK THAT'S NOT A TOTAL FLAT SURFACE WITH A BUMP, MY PRIUS JUST JERKS AND SLIDES FORWARD AND ACCELERATES FOR A SPLIT SECOND. THIS HAPPENS EVERY SINGLE DAY I DRIVE TO WORK OVER THIS BUMPY ROAD. IT WORRIES ME IF A PEDESTRIAN IS WALKING IN FRONT OF ME I AM NOT SURE IF I CAN PULL TO A COMPLETE STOP IN TIME. *TR

Mileage: 8,550

2010 TOYOTA PRIUS FREQUENTLY ACCELERATES BRIEFLY WHEN BRAKING AFTER HITTING POTHOLE OR GOING OVER A BUMP. IN ADDITION, FREQUENTLY AT START UP, THE BRAKE PRESSURE IS EXTREMELY HIGH, AND THE SLIGHTEST RELEASE OF THE BRAKE CAUSES THE CAR TO LURCH RAPIDLY EITHER FORWARD OR BACK, DEPENDING UPON WHETHER IN DRIVE OR REVERSE. *TR

BRAKING POWER SUDDENLY GAVE OUT MOMENTARILY. THIS OCCURRED AT LOW SPEED. HOWEVER, I WAS APPROACHING A CROSSWALK WITH A PEDESTRIAN IN IT. IF FELT LIKE THE CAR LURCHED FORWARD. I READ THE ARTICLE IN THE NYT THIS MORNING WHICH NOTED THIS PROBLEM WITH THE PRIUS AND THIS DEFINITELY FITS MY SITUATION. IT DOES NOT HAPPEN FREQUENTLY (3 OR 4 TIMES AT MOST), BUT IT IS OBVIOUSLY A SAFETY ISSUE. I PURCHASED MY 2010 PRIUS NEW ON NOV. 3, 2009 FROM TOYOTA OF SEATTLE. I CONTACTED THE DEALER ABOUT THIS ISSUE A FEW DAYS AGO, BUT HAVE RECEIVED NO RESPONSE. *TR

Mileage: 1,000

WHILE I WAS DRIVING IN CITY TRAFFIC AND BRAKING FIRMLY AS TRAFFIC SLOWED, ONE OR BOTH OF MY RIGHT-SIDE TIRES PASSED OVER A MANHOLE COVER OR HIT A SHALLOW POTHOLE (THIS HAS HAPPENED SEVERAL TIMES). BRAKING EFFORT COMPLETELY STOPPED FOR A SECOND OR TWO -- THE CAR FELT AS IF IT WERE SURGING FORWARD, BUT THIS WAS PROBABLY JUST THE CHANGE FROM DECELERATION TO COASTING. BRAKING RESUMED, EITHER AUTOMATICALLY OR FOLLOWING INCREASED PRESSURE BY ME ON THE BRAKE PEDAL, I'M NOT SURE WHICH. NO COLLISION RESULTED, BUT ONE EASILY COULD HAVE IF I HAD BEEN FOLLOWING ANOTHER CAR EVEN A FEW FEET CLOSER THAN I WAS. *TR

Mileage: 1,500

I WAS DRIVING MY 2010 PRIUS AND APPROACHED A STOP SIGN AT AN INTERSECTION ON A LOCAL ROAD. (AS I APPROACHED THE INTERSECTION I WAS PROBABLY DRIVING ABOUT 20 MPH OR LESS). AFTER I HIT THE BRAKES AND HAD BEEN DECELERATING FOR A VERY BRIEF PERIOD, I WENT OVER A POTHOLE OR SOME SIMILAR PROTRUSION. AT THAT POINT, MY CAR LURCHED FORWARD, ALMOST HITTING ANOTHER CAR. THAT CAR HAD BEEN ABOUT HALF CAR LENGTH IN FRONT OF ME WHEN I HIT THE POTHOLE. *TR

Mileage: 3,200

I BOUGHT A 2010 TOYOTA PRIUS ON DEC. ON 12/21/2009, AND HAVE NOTICED ON AT LEAST 4 OCCASIONS THAT WHEN I BRAKE ON TOP OF A BUMP IN THE ROAD, THE CAR ACTUALLY LURCHES FORWARD, INSTEAD OF SLOWING DOWN AND STOPPING. I THOUGHT IT WAS JUST ME, BUT THEN I HEARD A STORY ABOUT IT ON NPR, AND NOW FEEL THAT THIS PROBLEM HAS BEEN CONFIRMED BY OTHERS. I HAVE BEEN LUCKY THAT ON THE OCCASIONS WHEN IT HAS HAPPENED, THERE HAS NOT BEEN A CAR IN FRONT OF ME, OR I MIGHT HAVE HIT THEM FROM BEHIND. *TR

Mileage: 250

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHENEVER THE CONTACT ATTEMPTS TO BRAKE TRAVELING OVER A ROUGH TERRAIN AT A LOW SPEED THE CONTACT NOTICED THAT THE BRAKES WILL SUDDENLY DISENGAGE AND THEN CORRECT ITSELF. THE VEHICLE HAS NOT BEEN DIAGNOSED BY THE DEALERSHIP AND THERE WERE NO PRIOR WARNINGS. THE CURRENT AND FAILURE MILEAGES WERE 5600.

Mileage: 5,600

2010 TOYOTA PRIUS ANTI-LOCK BRAKES FAIL TO STOP SKIDDING ON MINOR ICE. *TR

Mileage: 3,500

2010 TOYOTA PRIUS - ODD BRAKING BEHAVIOR. ON A NUMBER OF OCCASIONS, WHEN THE VEHICLE IS COMPLETELY STOPPED AND THE WHEELS ARE NOT TURNING, WHEN I PRESS ON THE BRAKE PEDAL, THE ORANGE "SKID WARNING" INDICATOR ON THE INSTRUMENT CLUSTER TURNS ON. SOMETHING IS WRONG WHEN I GET SUCH A WARNING, AS THE VEHICLE IS NOT MOVING, AND CERTAINLY NOT SKIDDING. *TR

Mileage: 5,580

I THOUGHT THAT IT WAS JUST ME BUT WHEN I HEARD OTHERS COMPLAINING ABOUT THE BRAKES ON THE NEW 2010 PRIUS I CONFIRMED WHAT I HAVE BEEN EXPERIENCING. WHENEVER I BEGIN TO BRAKE AND EITHER (A) HIT A BUMP OR (B) BEGIN A TURN, THE CAR JUMPS OR LURCHES AS IF LOSING TRACTION FOR AN OVERLY EXCESSIVE AMOUNT OF TIME LEADING TO A SHORT BUT SIGNIFICANT LOSS OF CONTROL. *TR

Mileage: 6,000

BRAKES LOCKED UP WHEN GENTLY PUSHING ON PEDAL AT LOW SPEEDS IN FORWARD AND REVERSE, ANTI LOCK BRAKES ENGAGE WHILE STOPPED IF YOUR FOOT WIGGLES ON BRAKE PEDAL, BRAKES DO NOT ENGAGE STRONG IF YOU HIT A SMALL BUMP WHILE BRAKING CAUSING YOU TO NOT STOP ON TARGET AND ANTI LOCK BRAKE SYMBOL BRIEFLY FLASHES ON AT THE SAME TIME. *TR

Mileage: 5,000

MY 2010 PRIUS HAS TWICE HAD A BRIEF MOMENTARY LOSS OF BRAKING IN SLOW SPEED. BOTH TIMES THIS OCCURRED WHEN TRYING TO STOP FOR A STOP SIGN IN A RESIDENTIAL AREA WITH LOW SPEED AND ON ICY/SNOWY SURFACE. THE VEHICLE STOPPED 5 FEET OR SO PAST THE ORIGINALLY INTENDED POINT OF STOPPING. *TR

BRAKE NOT RESPONDING WHEN APPLIED. *TR

Mileage: 2,272

BRAKES DID NOT WORK ON ICE. CAR WENT FORWARD ABOUT 15 FEET WITH NO BRAKE ACTION. *TR

Mileage: 10,000

MY VEHICLE SURGED FORWARD OR TEMPORARILY LOST BRAKING AFTER DRIVING OVER A POTHOLE OR OTHER UNEVEN SURFACE, AND THIS IS A RECURRING PROBLEM. *TR

Mileage: 9,110

2010 PRIUS - BRAKING EFFECTIVENESS IS LOST ON ROUGH SURFACES. THE CAR GIVES THE SENSATION OF LURCHING AHEAD. IN ADDITION, WE HAVE EXPERIENCED SURGING PROBLEMS WHEN USING THE CRUISE CONTROL. RATHER THAN ACCELERATIONS TO THE PRESET SPEED, THE ACCELERATION CONTINUES PAST THE SETTING UNTIL THE CRUISE CONTROL IS CANCELED BY TAPPING THE BRAKES. *TR

Mileage: 12,300

I BOUGHT A 2010 PRIUS ON 7/25/09 AND SHORTLY THEREAFTER NOTICED SOMETHING A BIT UNUSUAL WITH MY BRAKES AT SPORADIC TIMES. I JUST NOW READ THE DESCRIPTION SOMEONE GAVE IN AN ARTICLE ABOUT TROUBLE WITH 2010 PRIUS BRAKES AND IT FITS MY EXPERIENCE TO A T: "WHEN BRAKING, IF A POTHOLE OR BUMP IN THE ROAD IS HIT, THE CAR SEEMINGLY JERKS FORWARD/ACCELERATES FOR A SPLIT SECOND." IN ADDITION, ON SPORADIC OCCASIONS WHEN BACKING UP THE BRAKES WILL GRAB SHARPLY WHEN RELATIVELY LIGHT PRESSURE IS APPLIED. AS FOR A DATE BELOW I HAVE LISTED TODAY'S DATE AS IT OCCURRED TODAY, BUT HAS DONE SO INTERMITTENTLY SINCE I HAVE OWNED THE CAR. *TR

Mileage: 1,000

I OWN A 2010 TOYOTA PRIUS. DURING THE FIVE MONTHS I'VE HAD IT, I HAD 3 TO 4 ENCOUNTERS WITH BRAKE PROBLEM. TWICE I WAS DRIVING AROUND 20MPH AND WAS BRAKING AND PREPARING TO MAKE A TURN, BUT THE BRAKE FAILED TO WORK, AND I FELT THAT THE CAR WAS ACCELERATING OUT OF CONTROL. THIS LASTED FOR ONLY ABOUT A SECOND, AND I EVENTUALLY WAS ABLE TO SLOW THE CAR DOWN AND MAKE THE TURN. IN ONE CASE THE ROAD WAS VERY BUMPY, IN THE OTHER CASE THE CAR HIT A POTHOLE RIGHT AROUND THE TIME I BRAKED. ON A THIRD INCIDENCE, THE BRAKE DIDN'T WORK FOR A SECOND ON A SLIGHTLY ICY, SLIPPERY HIGHWAY, WHEN I WAS GOING AT AROUND 30MPH. THIS MAY SUGGEST THAT THE BRAKE FUNCTION POORLY ON SLIPPERY ROAD, ALTHOUGH I HAVEN'T HAD ANOTHER CHANCE TO EXPERIENCE THIS AGAIN. *TR

Mileage: 2,000

2010 PRIUS BRAKES DO NOT WORK PROPERLY WHEN HITTING A SLICK MANHOLE COVER - CAR ACTUALLY LUNGES FORWARD. SEEMS TO BE A SOFTWARE GLITCH WHEN REGENERATIVE BRAKING IS TAKING PLACE AND ONE OR MORE WHEELS CAN SLIP ON THE ROAD SURFACE. *TR

Mileage: 4,121

I OWN A NEW 2010 TOYOTA PRIUS. I HAVE ALWAYS SUSPECTED THE BRAKE HAS PROBLEM. IT HAPPENED SEVERAL TIMES THAT THE VEHICLE WILL SURGE FORWARD ON SLIPPERY, UNEVEN SURFACE OR POT HOLES WHEN I HIT THE BRAKE. *TR

Mileage: 3,000

BRAKING PROBLEM ON 2010 TOYOTA PRIUS. VEHICLE SURGES WHILE APPLYING THE BRAKES ON A BUMPY ROAD. I HAVE EXPERIENCED THIS ON SEVERAL OCCASIONS SINCE PURCHASING THE VEHICLE NEW THIS YEAR. THE VEHICLE HAS NOT BEEN TAKEN BACK TO THE DEALERSHIP AT THIS POINT IN TIME. *TR

Mileage: 6,432

2010 THIRD GENERATION TOYOTA PRIUS. MY WIFE AND I ARE EXPERIENCING UNPREDICTABLE MOMENTARY BRAKE FAILURE AND SENSE OF LOSS OF CONTROL OF THIS VEHICLE. THIS OCCURS UNPREDICTABLY UNDER VARIOUS CONDITIONS SUCH AS UNEVEN PAVEMENT, POT HOLES OR PATCHES OF SLIPPERY ROAD SURFACE. THE LOSS OF BRAKING FORCE IS BRIEF, BUT THE RESULTING REENGAGEMENT OF THE BRAKES CAN BE HARSH AND STARTLING AND HAS CREATED MOMENTS OF ERRATIC AND DANGEROUS CONTROL LAPSE. THIS PATTERN OF BRAKE FAILURE HAS OCCURRED BY MY GUESS GREATER THAN 20 TIMES SINCE OUR PURCHASE OF THE VEHICLE APPROX 4 MONTHS AGO AND OVER THE COURSE OF 10,000 MILES SO FAR DRIVEN. OVER ALL WE ARE VERY PLEASED WITH THIS VEHICLE, BUT ARE CONCERNED THAT THIS BRAKING UNPREDICTABILITY AND ABRUPT REENGAGEMENT WILL EVENTUALLY BE THE CAUSE OF AN ACCIDENT. *TR

Mileage: 1,000

2010 TOYOTA PRIUS BOUGHT ON SEPT 28, 2009. I HAVE EXPERIENCED THE FOLLOWING THRICE "WHEN BRAKING, IF A POTHOLE IS HIT, THE CAR SEEMINGLY JERKS FORWARD/ACCELERATES ." THE FIRST TIME I THOUGHT I WAS IMAGINING IT, BUT WHEN IT HAPPENED ON A COUPLE OF OCCASIONS AFTER THAT I REALIZED IT IS REAL. I AM EXTRA CAUTIOUS WHILE DRIVING THIS CAR COMPARED TO MY FAMILY'S OTHER CARS. IN NORMAL COURSE OF OPERATION THE BRAKES ARE WORKING FINE. *TR

Mileage: 3,000

WHILE BRAKING AND TURNING AND GOING OVER A SMALL BUMP MY PRIUS SEEMS TO LOSE ITS BRAKES AND ACCELERATE FOR A SPLIT SECOND . IT HAS HAPPENED ABOUT 4 TIME IN THE LAST 6 MONTHS. *TR

Mileage: 5,000

I PURCHASED A 2010 TOYOTA PRIUS ON 8/26/09. THE CAR WOULD ACCELERATE WHEN I STEPPED ON THE BRAKE TO SLOW THE CAR DOWN AT A STOP SIGN OR RED LIGHT. I BROUGHT THE CAR TO PLAZA TOYOTA ON 12/23/09 AFTER THIS OCCURRED MORE THAN 50 TIMES. TOYOTA TOLD ME THAT THERE WAS NOTHING WRONG WITH MY CAR AND I'M THE 1ST ONE TO COMPLAIN ABOUT THIS PROBLEM. ON THE RECEIPT (R/O # 6311675/1) FROM THIS VISIT, TOYOTA STATED," TOM THE TOYOTA FIELD TECH DETERMINED THAT THE FEELING THAT THE CUSTOMER IS EXPERIENCING IS NORMAL AND THAT THE REGENETIVE BRAKING SYSTEM AND HYDRAULIC SYSTEM IS TRANSFERRING AND THAT'S NORMAL." SINCE THAT VISIT, THIS PROBLEM HAS ONLY HAPPENED 4 TIMES. IN REGARDS TO BRAKING ON SLIPPERY ROADS, THE CAR HAS SLID 2 DIFFERENT TIMES BEFORE GRIPPING THE ROAD. ALSO, TOYOTA CLAIMS THAT THE PRIUS GETS 51 MPG, THIS CAR HAS ONLY BEEN AVERAGING 33 MPG IN CITY DRIVING. *TR

BRAKING MODERATELY, GOING OVER BUCKLED ASPHALT AND OR TAR STRIPS IN THE PAVEMENT. I HAVE HAD IT HAPPEN AT LEAST THREE TIMES, PRIUS FEELS OUT OF CONTROL THEN I REGAIN CONTROL, WET OR DRY PAVEMENT. ITS A BRAND 2010 TOYOTA PRIUS WITH 5,000 MILES. *TR

Mileage: 1,300

WE OWN A 2010 TOYOTA PRIUS AND NOTICED THAT THE CAR "KICKS" A LITTLE WHEN APPLYING THE BRAKES LIGHTLY. WE DIDN'T THINK MUCH OF IT AT FIRST BECAUSE WE LIVE IN CHICAGO AND THE STREETS ARE QUITE WEATHERED. WE THOUGHT THE "KICKS" WE FELT MIGHT BE THE CAR BUMPING ALONG UNEVEN ROADS. THANKFULLY, WE HAVE NOT BEEN INVOLVED IN ANY ACCIDENTS. OTHER THAN THIS ISSUE, WE ARE PLEASED WITH THE CAR. *TR

1. I HAD A 2009 TOYOTA COROLLA AND JUST TRADED IT IN AND BOUGHT A 2010 TOYOTA PRIUS THIS SATURDAY 1/30/10. ON MONDAY I WAS DRIVING TO WORK AND WAS STILL IN MY COMMUNITY WHEN I APPROACHED AN INTERSECTION AND APPLIED MY BRAKE. THE CAR SKIDDED THROUGH THE INTERSECTION. THANKFULLY THERE WAS NO OTHER VEHICLES. I READ THE ARTICLE TODAY ABOUT THE INCIDENT WITH THE PRIUS BRAKES AND WANTED TO SUBMIT MY INCIDENT. 2. IT WAS THE FIRST TIME THIS OCCURRED. 3. ALSO I CONTACTED TOYOTA SERVICE AND ONE OF THE SERVICE REP TOLD ME THAT THEY CAN TAKE A LOOK AT IT BUT CANT DO ANYTHING UNTIL TOYOTA ISSUES A FIX... WHAT DO I DO WITH MY CAR? DOES LEMON LAW APPLY? WHAT ARE MY OPTIONS? *TR

Mileage: 50

WHILE COMING TO A STOP, MY VEHICLE (2010 TOYOTA PRIUS, MODEL IV) LOST BRAKING POWER (FELT LIKE AN ACCELERATION WHILE DEPRESSING THE BRAKE PEDAL) AS I WENT OVER A POT HOLE IN THE ROAD. I WAS AT A VERY LOW SPEED (~5MPH). I DEPRESSED THE BRAKE PEDAL EVEN FURTHER AND THE BRAKING POWER RETURNED AND I WAS ABLE TO STOP. *TR

Mileage: 3,000

I HAVE BEEN DRIVING MY 2010 PRIUS FOR 6 MONTHS AND HAVE EXPERIENCED THE FOLLOWING NEARLY 10 TIMES: WHEN BRAKING, IF A POTHOLE OR BUMP IN THE ROAD IS HIT, THE CAR SEEMINGLY JERKS FORWARD/ACCELERATES FOR A SPLIT SECOND. THIS RESULTS IN LESS CONTROL OVER WHERE THE CAR COMES TO A COMPLETE STOP. THE MOST UNNERVING INSTANCES OF THIS OCCUR WHEN APPROACHING THE END OF A ROAD OR A CROSSWALK. I NEARLY HIT A CHILD BECAUSE OF THIS UNPREDICTABLE REACTION TO A POTHOLE. ALSO, THE BRAKES ARE LESS EFFECTIVE IN SNOW THAN ANY OTHER CAR I'VE EVER DRIVEN. NO MATTER HOW SLOW I'M GOING OR HOW HARD I HIT THE BRAKES, I'VE FOUND THAT I'M GUARANTEED TO SKID SEVERAL FEET, OFTENTIMES INTO INTERSECTIONS/TRAFFIC. PERHAPS UNRELATED TO THE POTHOLE ISSUE, BUT MAYBE NOT. BOTH ISSUES ARE EXTREMELY DANGEROUS. *TR

Mileage: 2,300

WHEN BACKING UP THE 2010 PRIUS, THE BRAKES GRAB. I RELEASE THE BRAKE PEDAL AND REAPPLY AND EACH TIME THE BRAKES GRAB. *TR

Mileage: 5,300

I HAD MY NEW TOYOTA PRIUS ABOUT 4 DAYS. ON SATURDAY MORNING, 1/23/10, I WAS BACKING OUT OF MY DRIVEWAY. THERE WAS ICE, BUT WHEN I GENTLY PUT ON MY BRAKES, I FELT NOTHING. TWO SECONDS LATER AFTER SLIDING TO THE END OF MY DRIVEWAY, THE BRAKES CAUGHT. I WAS CONCERNED THAT THE FEELING WAS QUITE ODD, BUT CHALKED IT UP TO THE ICE. THEN THE NEXT MORNING, IT HAPPENED AGAIN WHEN THERE WAS NO ICE, BUT WET ROADS, FIRST COMING TO ONE STOP LIGHT AND THEN ABOUT 15 MINUTES LATER AT ANOTHER STOP LIGHT. THE SAME FEELING--PUTTING ON THE BRAKES AND HITTING AIR--THEN 2 SECONDS LATER THE BRAKES GRABBED. I IMMEDIATELY DROVE IT TO THE DEALERSHIP AND LEFT IT, CITING BRAKE FAILURE. THEY HAD IT ABOUT 2 DAYS AND NO ONE BELIEVED ME. SAID IT WAS FINE. YESTERDAY, 2/1/10, AND AGAIN TODAY, 2/2/10, IT DID IT AGAIN TO AND FROM WORK. I DO NOT FEEL SAFE IN THAT CAR. SOMETHING IS WRONG WITH THE BRAKES. *TR

Mileage: 300

1. TRAFFIC CAME TO A SUDDEN STOP SO I HIT THE BRAKES. 2. VEHICLE HIT A POTHOLE WHILE I WAS TRYING TO STOP AND THE BRAKES FELT LIKE THEY RELEASED. I HAD TO HIT THE BRAKES AGAIN IN ORDER TO GAIN CONTROL OF THE VEHICLE AND BRING THE CAR TO A STOP. 3. I WAS TOLD BY THE DEALERSHIP THAT NOTHING COULD BE DONE. *TR

Mileage: 9,536

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 15 MPH OVER A SPEED BUMP OR POTHOLE THE VEHICLE ACCELERATED FOR A FEW SECONDS WHILE HER FOOT WAS ON THE BRAKE PEDAL. ALTHOUGH THE SURGE LASTS FOR A FEW SECONDS AND OCCURRED CONSISTENTLY SHE DOESN'T HAVE CONTROL OF THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT THE ACCELERATOR PEDAL WAS OPERATING NORMALLY. THE FAILURE MILEAGE WAS 8,000.

Mileage: 8,000

MY 2010 TOYOTA PRIUS BRAKES FAIL ( DISENGAGE OR RELEASE) WHEN BRAKING ON ICY SURFACE OR WHILE BRAKING AND A BUMP OR POT HOLE IS HIT. I FIST NOTICED THIS ISSUE ON DEC. 19, 2009 AFTER A SNOW STORM BUT IT CONTINUES TO HAPPEN EVEN ON DRY ROAD WHEN A SMALL BUMP IS HIT. I REPORTED IT TO TOYOTA AND THEY TOLD ME THEY COULD NOT FIND ANY ISSUES WITH THE BRAKES. NOTHING WAS DONE TO CORRECT THE PROBLEM. THE CAR ACTUALLY GOES FASTER WHEN YOU HIT A BUMP WHILE BRAKING. THE BRAKES RELEASE AND IT FEELS LIKE YOU HAVE NO BRAKES AT ALL FOR A FEW SECONDS. THIS IS NOT RIGHT! IT HAPPENS VERY UNEXPECTEDLY AND YOU CAN NOT JUDGE YOUR BRAKING TIME CORRECTLY. IT HAPPENED TO ME RECENTLY WHEN STOPPING AT STOP SIGN BEFORE ENTERING A CROSS ROAD. I HIT A PATCH OF ROUGH ROAD AND IT DROVE ME TO STOP PASSED THE STOP SIGN AND WAS LUCKY THERE WERE NO ON COMING TRAFFIC. *TR

Mileage: 2,000

THIS IS A COMPLAINT ABOUT A RECURRING EVENT THAT HAS SERIOUS IMPLICATIONS IN THE WRONG SITUATIONS. FOR FIVE TIMES NOW, SINCE DRIVING OUR NEW CAR, OUR BRAKES HAVE RELEASED AFTER GOING OVER A BUMP IN THE ROAD. THIS BUMP CAN BE AS SMALL AS A CRACK CAUSED BY A NEARBY TREE'S ROOTS, OR LARGER LIKE A POTHOLE. IT HAS ALSO OCCURRED WHEN DRIVING OVER SLICK SEWER COVERS. IT TYPICALLY HAPPENS WHEN BRAKING, THEN HITTING THE BUMP, THEN BRAKES RELEASE, AND THE CAR IS NO LONGER BREAKING. THIS IS ESPECIALLY DANGEROUS IN HILLY CITIES LIKE SAN FRANCISCO, WHERE IF THIS HAPPENS GOING DOWNHILL, THE ACCELERATION ACCOMPANIED BY THE LACK OF BRAKING GOING DOWNHILL CAN RESULT IN CRASHING INTO THE NEXT CAR, OR WORSE, HITTING A CROSSING PEDESTRIAN AT A CROSS WALK. *TR

Mileage: 1,321

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT THE BRAKE FAILED TO ENGAGE WHEN HE DROVE APPROXIMATELY 25 MPH ON ROUGH ROAD SURFACES. THE DEALER STATED THAT THE ABS ENGAGED AND THAT WAS A NORMAL BRAKE FUNCTION. THE FAILURE OCCURRED SEVERAL TIMES INTERMITTENTLY. THE TOYOTA MANUFACTURER HAS NOT BEEN CONTACTED. THE FAILURE MILEAGE WAS 46,000.

Mileage: 46,000

WHILE BRAKING IF I HIT POTHOLES THE CAR SPEEDS UP FROM LOSS OF BRAKING ACTION EVEN THOU I AM STILL PUSHING ON THE BRAKE PEDAL. I HAVE TO QUICKLY LET UP AND APPLY BRAKES AGAIN TO STOP VEHICLE. HAS HAPPENED THREE TIMES NOW, TWICE IN THE LAST TWO DAYS. FIRST TIME THOUGHT IT WAS MY IMAGINATION, BUT NOW I KNOW THAT I WAS PUSHING ON THE PEDAL AND THE CAR JUST TOOK OFF UNTIL I REAPPLIED THE BRAKES. *TR

Mileage: 7,400

WHEN I AM BRAKING AND MY CAR HITS A POTHOLE, IT SURGES FORWARD AND THE BRAKES DO NOT WORK FOR A FEW SECONDS. THIS PROBLEM OCCURS EVERY TIME I HIT A POTHOLE OR BUMP IN THE ROAD. *TR

Mileage: 500

THERE IS AN APPARENT MOMENTARY LOSS OF BRAKING ABILITY THAT WE HAVE EXPERIENCED SEVERAL TIMES. GOING OVER A RISE IN THE ROAD, OR BUMPS, AND BEGINNING A DESCENT TO AN INTERSECTION, PRESSING THE BRAKE PEDAL SEEMS TO HAVE NO EFFECT FOR ABOUT 500MS. THIS SEEMS SOMEWHAT MORE PRONOUNCED WHEN THE ROAD IS WET, ALTHOUGH POSSIBLY THE EXPLANATION FOR THIS IS WE BRAKE EARLIER IN THE DESCENT AS A PRECAUTION IN LESS-THAN-IDEAL CIRCUMSTANCES. WE HAVE MADE OUR LOCAL DEALER AWARE OF THIS AT THE 5K MILE SERVICE APPOINTMENT, AND THEY ACKNOWLEDGED OTHER COMPLAINTS, AND CONTACT WITH TOYOTA. THEY REPORT THAT TOYOTA IS LOOKING IN TO A FIX. WE ARE CONCERNED ABOUT THE ABILITY TO BRAKE IN AN EMERGENCY SITUATION WITH NO SAFETY MARGIN. THIS SEEMS REPRODUCIBLE. *TR

Mileage: 4,300

I HAVE A 2010 PRIUS PURCHASED IN SEPTEMBER OF 2009. IT NOW HAS JUST OVER 5000 MILES ON IT. SINCE THE BEGINNING, PROBABLY THE FIRST WEEKEND I OWNED THE CAR, WHEN BRAKING IF I HIT A BUMP IN THE ROAD, UNEVEN SURFACE, OR A POTHOLE OR SOMETHING, THE CAR OFTEN FEELS LIKE IT LURCHES FORWARD AND I HAVE TO IMMEDIATELY RELEASE AND REBRAKE. THE CAR FEELS OUT OF CONTROL. I HAVE VERY OFTEN FELT LIKE I NARROWLY MISSED LURCHING FORWARD INTO THE CAR IN FRONT OF ME. THE TOYOTA DEALERSHIP SERVICE DEPARTMENT INSISTS THEY ONLY KNOW OF RECALLS REGARDING THE STICKING ACCELERATOR PEDALS, NOTHING ABOUT THIS BRAKING ISSUE. YET I READ PLENTY ONLINE ABOUT THIS PROBLEM, SO I KNOW IT ISN'T ONLY HAPPENING TO ME. WHAT CAN YOU DO?? I'VE LISTED ALL THREE TYPES OF BRAKES IN THE EQUIPMENT AREA OF THIS FORM, BECAUSE I DON'T KNOW WHAT IT IS - SOMETHING ABOUT THE HYBRID BRAKING SYSTEM ALSO CHARGING THE ENGINE? ALSO I LISTED THE DATE AS THE DAY AFTER I BOUGHT THE CAR BUT THIS IS ONGOING, NOT A SINGLE INCIDENT BY ANY MEANS. *TR

Mileage: 25

AT A RIGHT TURN I ENCOUNTERED A POTHOLE AND APPLIED THE BRAKES. WHEN MY CAR ACTUALLY HIT THE POTHOLE I FELT, FOR A VERY BRIEF TIME, THAT THE BRAKES DIDN'T WORK AND THE ENGINE REV UP A LITTLE BIT. I WAS DRIVING AT LOW SPEED. I COULD HAVE HIT THE CAR IN FRONT OF ME. *TR

Mileage: 6,000

1. EVENTS LEADING UP TO FAILURE: MODERATE BRAKING (~0.2 - 0.4 G) AT MODERATE SPEED (~20 MPH) WHILE DRIVING OVER CHOPPY PAVEMENT SUCH AS MIGHT EXIST WHERE ROAD WORK IS BEING DONE. 2. FAILURE: AS THE CAR PASSES OVER THE CHOPPY PAVEMENT, BRAKING FORCE DECLINES SHARPLY WITHOUT A CHANGE IN BRAKE PEDAL PRESSURE. THE CONSEQUENCE OF THIS IS THAT THE CAR STOPS FARTHER DOWN THE ROAD THAN EXPECTED DESPITE REFLEXIVE INCREASED BRAKE PRESSURE ON MY PART. THIS HAS HAPPENED THREE TIMES IN 7500 MILES OF VERY MODERATE DRIVING. SO FAR I HAVE NOT HAD A COLLISION OR OTHER ACCIDENT FROM THIS UNEXPECTED BEHAVIOR. I HAVE NEVER EXPERIENCED THIS BEHAVIOR IN ANY OTHER CAR INCLUDING DOZENS OF RENTAL CARS. 3. WHAT WAS DONE TO CORRECT THE FAILURE. NOTHING. TW*

Mileage: 7,000

LOSS OF BRAKING AFTER HITTING POT HOLE ON FREEWAY AT LOW SPEED, LESS THAT 10 MPH, SIMILAR TO OTHER INCIDENCES ON THIS CAR.*CW

Mileage: 10,200

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHENEVER THE VEHICLE TRAVELS OVER A ROUGH TERRAIN AT ANY SPEED THE CONTACT NOTICED THAT THE BRAKE PEDAL RELEASED CAUSING THE VEHICLE TO SUDDENLY ACCELERATE. THE BRAKING DISTANCE AND PRESSURE APPLIED TO THE BRAKE PEDAL ALSO INCREASED IN ORDER TO STOP THE VEHICLE. THE DEALER STATED THAT THE FAILURE COULD NOT BE REPRODUCED. THERE WERE NO PRIOR WARNINGS. THE CURRENT AND FAILURE MILEAGES WERE 8300.

Mileage: 8,300

MY 2010 TOYOTA PRIUS 1) LURCHES FORWARD WHEN BRAKING WHILE DRIVING ON AN UNEVEN SURFACE, LIKE A POTHOLE, INDENT/CREVICE IN ROAD, ETC. 2) THE BRAKES REPEATEDLY GRAB AND CAUSE THE CAR TO LURCH WHEN BACKING UP ON AN UNEVEN/SLIPPERY SURFACE. BOTH PROBLEMS SEEM TO HAPPEN WHEN APPLYING PRESSURE AND BRAKING AT A SLOWER SPEED. THIS PROBLEM HAS OCCURRED MULTIPLE TIMES (APPROXIMATELY 4-5) SINCE PURCHASING THE PRIUS IN JUNE 2009. *CN

Mileage: 3,000

I HAVE EXPERIENCED AT LEAST THREE TIMES IN MY 2 MONTH OLD 2010 TOYOTA PRIUS A LURCH FORWARD WHEN BRAKING WHEN MY CAR DRIVES OVER A BUMP, POTHOLE, OR SOMETHING SLICK. MOST RECENTLY I WAS DRIVING DOWNHILL IN DENSE TRAFFIC AND THE LURCH FELT LIKE AN ACCELERATION. I HAD TO SLAM ON THE BRAKES TO AVOID HITTING THE CAR IN FRONT OF ME. THIS BRAKING PROBLEM CLEARLY CAN BE A HAZARD TO SAFE DRIVING AND TO ANY PEDESTRIAN OR OTHER CLOSE VEHICLE. *TR

Mileage: 2,500

2010 PRIUS. THIS HAS HAPPENED ABOUT 10 TIMES NOW. SOMETIMES WHEN I BRAKE, I EXPERIENCE A SUDDEN ACCELERATION. IT RANGES FROM SLIGHT TO A LURCH. WHEN IT FIRST HAPPENED, I THOUGHT IT WAS SOMETHING ON THE ROAD AND IGNORED IT. WHEN IT WAS MORE PRONOUNCED AND HAPPENED A COUPLE OF MORE TIMES, I BROUGHT IT TO THE DEALER. THEY SAID THEY HAD NO OTHER REPORTS AND COULD NOT REPLICATE IT. THE SERVICE MANAGER TOOK ME ON A TEST DRIVE AND THE CAR WAS FINE. I KNEW THIS WOULD HAPPEN AS THE ACCELERATION IS ONLY OCCASIONAL. I WAS ADVISED TO CALL TOYOTA NATIONAL, WHICH I DID, AND WAS TOLD THAT SINCE THIS COULD NOT BE REPLICATED THAT THERE WAS NOTHING THEY COULD DO AND NO RECOURSE I HAD AS THE COMPLAINT COULD NOT BE REPLICATED. IT HAS HAPPENED SEVERAL TIMES SINCE, SO I HAVE PAID CLOSE ATTENTION, AS MY HEART HAS BEEN RACING, TO THE CONDITIONS. IT HAS HAPPENED WHEN I AM BRAKING WHILE GOING OVER MANHOLES, SPEED STRIPS, CRACKS IN THE PAVEMENT. IT FEELS LIKE THE TIRE IS GETTING HUNG UP SLIGHTLY, DOESN'T GET ANY TRACTION.THE BRAKE MALFUNCTION LIGHT COMES ON. ALSO, ON THE MULTI-INFORMATION DISPLAY, THE INDICATOR HAS JUST MOVED FROM ECO TO CHG.THE OTHER DAY, IT WAS 34 DEGREES AND I WAS BRAKING AS I CAME UP TO A LIGHT AND THE CAR SLID AND VIBRATED. I WAS GOING ABOUT 5 MILES AN HOUR. THERE MAY HAVE BEEN SOME BLACK ICE OR FROST ON THE GROUND, BUT THE SHAKING WAS INTENSE AND I HAD DIFFICULTY CONTROLLING THE CAR FOR A FEW SECONDS UNTIL I STOPPED. *TR

Mileage: 200

YESTERDAY, I ONCE AGAIN EXPERIENCED AN ISSUE THAT I HAVE OBSERVED SINCE I GOT MY 2010 PRIUS IN OCTOBER 2009. THERE ARE TWO INTERSECTIONS CLOSE TO MY HOME THAT BOTH ARE AT THE BOTTOM OF A HILL AND HAVE POTHOLES ABOUT 5 YARDS FROM THE STOP SIGN. IN BOTH LOCATIONS, WHEN MY PRIUS HITS THE POTHOLES, I HAVE THE SENSATION THAT THE BRAKES RELEASE EVEN THOUGH I AM KEEPING PRESSURE ON THEM AS I APPROACH THE STOP SIGN. THIS DOES NOT HAPPEN WITH OUR 2007 RAV4. I NOW KNOW THAT I HAVE TO SLOW DOWN AS IF THE STOP SIGN IS BEFORE THE POTHOLE, BUT I WORRY ABOUT MY WIFE DRIVING IT AND ABOUT A CONDITION THAT I WON'T BE PREPARED FOR. *TR

Mileage: 4,000

ON SEVERAL OCCASIONS MY 2010 TOYOTA PRIUS ACCELERATED FOR A FEW SECONDS AS I PLACED MY FOOT ON THE BRAKE. ON AT LEAST ONE OCCASION IT HAPPENED AS I WENT OVER A BUMP IN THE ROAD. THERE HAS BEEN NO ACCIDENT AND NO INJURIES. THE ACCELERATION OCCURRED FOR A FEW BRIEF SECONDS. I AM CONCERNED THAT THIS PROBLEM COULD OCCUR WHEN THERE IS A PEDESTRIAN OR AUTO CLOSE IN FRONT OF ME. *TR

Mileage: 500

WHEN I AM BRAKING/SLOWING AND TURNING AND HIT A CURB OR CHUNK OF ICE, OR DRIVING STRAIGHT AND HIT A CHUNK OF ICE, MY 2010 PRIUS BRAKES WILL COMPLETELY GO AWAY. THIS HAS HAPPENED 4 TIMES DURING THE PAST 3 WEEKS OF WINTER WEATHER. *TR

Mileage: 6,200

THERE HAVE BEEN SEVERAL TIMES WHEN THE BRAKES OF MY 2010 TOYOTA PRIUS HAVE RELEASED, OFTEN WHEN I HIT A BUMP OR AM GOING OVER A HILL. THE CAR FEELS AS IF IT'S SUDDENLY ACCELERATING EVEN THOUGH I AM PUSHING DOWN ON THE BRAKES. THIS HAS HAPPENED AT LEAST 4 - 5 TIMES PER WEEK SINCE I BOUGHT MY CAR IN JULY 2009. TODAY, I WAS UNABLE TO STOP AS I APPROACH AN INTERSECTION DESPITE PUSHING DOWN ON THE BRAKES. THE CAR HESITATED AND FINALLY THE BRAKES ENGAGED. LUCKILY NO ONE WAS COMING THROUGH THE INTERSECTION FOR IF THERE HAD BEEN, I SURELY WOULD HAVE HIT THEM. *TR

Mileage: 14,934

MANY TIMES WHILE BRAKING, WHEN I HIT A POTHOLE OR BUMP, THE BRAKES GO OUT, CAUSING THE CAR TO ACCELERATE. I FEEL A LOSS OF CONTROL, WHICH IS REGAINED A FEW SECONDS LATER. IT'S LED TO SEVERAL TERRIFYING SITUATIONS WHERE I'VE ALMOST HIT THE VEHICLE IN FRONT OF ME. *TR

Mileage: 5,000

CAR: PRIUS 2010 (PURCHASED IN AUGUST 2009) PROBLEM: BRAKING FAILURE ON UNEVEN SURFACES OR POTHOLES I FEEL VERY UNSAFE AND DANGEROUS WHENEVER I HIT UNEVEN SURFACES OR POTHOLES BECAUSE I FEEL I AM LOSING CONTROL OVER MY OWN CAR, ESPECIALLY SINCE I AM IN LOS ANGELES WHERE ROADS ARE NOT THAT GREAT CONDITION. I ALMOST HIT PEOPLE SEVERAL TIMES BECAUSE THE BRAKE AND HIT SEVERAL CARS WHEN I WAS BRAKING.... AND, THE BRAKE IS SO WEAK THAT IT DOESN'T HOLD THE CAR THAT WELL ON THE HILLS. IT GOES BACKWARD WHENEVER I STOP AT THE TRAFFIC LIGHT ON THE HILL AND DRIVING. I TRIED TO TALK TO THE DEALER WHO HELPED ME WITH PURCHASE, BUT HE MADE ME LOOK LIKE I AM A BAD/UNSAFE DRIVER WHO DOESN'T KNOW HOW TO DRIVE WELL. THE INCIDENT HAPPENED SHORTLY AFTER I PURCHASED THE VEHICLE, BUT I THOUGHT IT WAS REALLY MY FAULT TO NOT HANDLING THE "NEW" TECHNOLOGY CAR WELL. IT IS VERY REGRETFUL TO PURCHASE A VEHICLE LIKE THIS WITH SO MUCH MONEY. *TR

TL*THE CONTACT HAS 2010 TOYOTA PRIUS. THE CONTACT WAS ENGAGING THE BRAKE PEDAL WHILE DRIVING 15 MPH INTO A POT HOLE. ONCE THE CONTACT DROVE INTO THE POT HOLE THE BRAKES RELEASED AND SHE WAS FORCED TO PUMP THE BRAKES IN ORDER TO STOP THE VEHICLE. THE CONTACT STATED THAT THERE WAS A LOUD SCREECHING NOISE AS WELL. THE FAILURE MILEAGE WAS 600. THE CURRENT MILEAGE WAS 5,600. *CN UPDATED 02/17/10

Mileage: 600

TL*THE CONTACT HAS 2010 TOYOTA PRIUS. THE CONTACT WAS ENGAGING THE BRAKE PEDAL WHILE DRIVING 15 MPH INTO A POT HOLE. ONCE THE CONTACT DROVE INTO THE POT HOLE THE BRAKES RELEASED AND SHE WAS FORCED TO PUMP THE BRAKES IN ORDER TO STOP THE VEHICLE. THE CONTACT STATED THAT THERE WAS A LOUD SCREECHING NOISE AS WELL. THE FAILURE MILEAGE WAS 600. THE CURRENT MILEAGE WAS 5,600. *CN UPDATED 02/17/10

Mileage: 600

THREE TIMES, TWICE WITH ME AND ONCE WITH MY WIFE, THE AUTOMOBILE ACCELERATED DURING BRAKING. THE ACCELERATION (OR LOSS OF BRAKES, IT'S HARD TO TELL) LASTED FOR ONLY A SECOND, BUT ENOUGH WHERE I HAD TO PRESS THE BRAKES WITH FORCE TO COME TO MY INTENDED STOP. I COULD HAVE EASILY ENDED UP IN THE MIDDLE OF THE INTERSECTION. *TR

Mileage: 5,000

WHEN I HIT PARTICULAR INTERSECTIONS OR WHEN THE GROUND IS COVERED WITH ICE OR SNOW, MY BRAKES WILL BEGIN TO SLOW DOWN THE VEHICLE. BUT THEN THEY FAIL. I LOSE CONTROL OF MY VEHICLE. I HAVE TO RE-PUSH THE BRAKE PEDAL FOR IT TO ACTUALLY BRAKE. IT IS SCARY AND DANGEROUS BECAUSE I HAVE NO CONTROL OVER MY CAR WHEN THE BRAKES ARE OUT AND ONE OF THESE TIMES IT IS GOING TO CAUSE AN ACCIDENT. SINCE I PURCHASED THE CAR BRAND NEW IN JULY, IT HAS HAPPENED TO ME OVER 10 TIMES. I ONLY HAVE 5300 MILES ON MY CAR. I'M NOT SURE WHAT I CAN DO TO CORRECT THE PROBLEM. *TR

Mileage: 5,300

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHILE DRIVING IN THE RAIN 10 MPH OVER A BUMP IN THE ROAD HE LOST THE BRAKING POWER AND THE VEHICLE SURGED. THE DEALER HAS NOT BEEN CONTACTED. THE FAILURE MILEAGE WAS 2,800. UPDATED 02/19/10. *LJ

Mileage: 2,800

I KNEW SOMETHING WAS WRONG, EVEN BEFORE READING THE ONLINE COMPLAINTS ABOUT THE 2010 PRIUS AND ITS BRAKING PROBLEMS THAT ECHOED MY SUSPICIONS---- WHEN SOMETIMES BRAKING OVER A POTHOLE OR RAILROAD TRACKS OR ICE OR ANY KIND OF BUMP, THERE IS A SURGE OF ACCELERATION. TO THE EXTENT THAT ONE TIME MY 15 YEAR OLD DAUGHTER SAID, 'WHAT WAS THAT?" I'D DRIVEN A SAAB 93 FOR 130,000 MILES BEFORE WE RECENTLY BOUGHT THE PRIUS--I NEVER FELT ANYTHING LIKE THIS BEFORE. *TR

Mileage: 5,000

TOYOTA PRIUS 2010- CAR SURGED WHILE BRAKING TO A HALT. IT FELT AS THOUGH I HAD SUDDENLY LOST BRAKING POWER FOR A FEW MOMENTS, LIKE I HAD HIT AN ICE PATCH. BUT THE ROAD SURFACE WAS DRY. THIS WAS THE SECOND TIME IT HAPPENED TO ME, THE FIRST ABOUT A WEEK OR 10 DAYS AGO. CAR WAS PURCHASED ON 1/4, DELIVERED ON 1/8/2010. THE PROBLEM IS NOT REPRODUCIBLE, BUT BOTH TIMES THE CAR WAS MOVING AT RELATIVELY LOW SPEED (10 MPH OR LESS). *TR

Mileage: 500

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING 45 MPH AND ATTEMPTING TO ENGAGE THE BRAKE PEDAL IT EXTENDED TO THE FLOOR; HOWEVER, WITHIN A FEW SECONDS THE BRAKE WOULD RESPOND. SHE EXPERIENCED THE BRAKE FAILURE THREE TIMES; DURING THE SECOND FAILURE THE BRAKES DIDN'T RESPOND AND SHE COLLIDED INTO A VEHICLE AND INJURED HER NECK. SHE HAS NOT TAKEN THE VEHICLE TO THE DEALER SINCE THE FAILURE OCCURRED ONLY WHEN SHE HIT A BUMP IN THE ROAD. SHE WILL TAKE THE VEHICLE TO THE DEALER TO BE DIAGNOSED. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 3,000 AND THE CURRENT MILEAGE WAS 10,000. UPDATED 03/09/10. *LJ THE CONSUMER STATED SHE EXPERIENCED BRAKE PROBLEMS WITH HER VEHICLE TWICE WHILE SLOWING DOWN TO COME TO A STOP OR TO MAKE A TURN. THE CONSUMER STATED SHE FELT A RELEASE OF THE BRAKES AND A SURGE AFTER HITTING A POT HOLE IN THE ROAD. TWO AGO, WHILE DRIVING, SHE HIT A BUMP IN THE ROAD AND SHE FELT THE SAME ACCELERATION, LIKE THE GAS PEDAL WAS APPLIED, BUT SHE WAS BRAKING AT THE TIME. THE CONSUMER WAS INVOLVED IN AN ACCIDENT WHERE SHE WAS REAR-ENDED. SHE WAS AT A STOP WITH HER FOOT ON THE BRAKE. THE CONSUMER STATED WHEN SHE WAS HIT, SHE WAS PUSHED FORWARD AND HIT THE VEHICLE IN FRONT OF HER. UPDATED 05/13/10

Mileage: 3,000

WHEN MY VEHICLE IS FIRST STARTED IN THE MORNING THE BRAKES GRAB SUDDENLY. THIS OCCURS AT LEAST TWICE A WEEK. I HAVE OWNED THE NEW CAR FOR 1.5 MONTHS. I HAVE NOT TAKEN THE VEHICLE TO THE DEALER. *TR

Mileage: 1,200

MY 2010 TOYOTA PRIUS LURCHES FORWARD WHEN BRAKING WHEN I HIT AN UNEVEN SURFACE, LIKE A POTHOLE, INDENT/CREVICE IN ROAD, OR OTHER TYPE OF UNEVEN SURFACE. THERE IS A LOSS OF BRAKING FOR APPROXIMATELY 1 SECOND AND YOU INSTINCTIVELY HIT THE BRAKE AGAIN TO REGAIN BRAKING. IT IS AS IF THE CAR ACCELERATES FOR A SPLIT SECOND AND YOU LOSE CONTROL BEFORE YOU HIT THE BRAKE PEDAL AGAIN. IT SEEMS TO HAPPEN WHEN I AM BRAKING AT A SLOWER SPEED AND COMING TO A STOP. THIS PROBLEM HAS OCCURRED MULTIPLE TIMES (APPROXIMATELY 12) SINCE I PURCHASED AND RECEIVED MY PRIUS IN SEPTEMBER 2009. NO ACCIDENTS HAVE OCCURRED THUS FAR BECAUSE OF THIS PROBLEM., BUT I AM VERY CONCERNED ABOUT THIS PROBLEM AND MY/OTHERS SAFETY. I REPORTED THIS PROBLEM TO THE TOYOTA DEALERSHIP I PURCHASED MY CAR FROM IN OCTOBER 2009. THEY PERFORMED A HEALTH CHECK ON THE CAR TO MAKE SURE EVERYTHING WAS OPERATING FINE AND REPORTED THAT IT WAS, AND TOLD ME TO BRING THE CAR BACK IN IF THE PROBLEM CONTINUED. I WENT INTO THE DEALERSHIP TO TALK TO SOMEONE ON 1/13/10 TO AGAIN DISCUSS THE PROBLEM. THE DEALERSHIP REPRESENTATIVE SAID THEY HE IS AWARE OF REPORTS OF THE PROBLEM AND WILL GET BACK TO ME WITH ANY NEW INFORMATION. *TR

Mileage: 1,000

BRAKING IRREGULARITY ON ICY SURFACES, VEHICLE FEELS LIKE REAR WHEELS SKID 4-8 FEET THEN ALL WHEELS GRAB WHEN NORMAL BRAKING FOR A STOP SIGN. ENOUGH DECELERATION TO HAVE SEATBELT GRAB AND DOG PROJECTED INTO FRONT SEAT AREA FROM REAR CARGO PLATFORM. SAME FEELING AS IF BRAKES WERE LOCKED UP WHILE MOVING ON SOLID ICE AND THE SURFACE CHANGED TO DRY ROAD. *TR

Mileage: 6,000

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 45 MPH AND APPLYING THE BRAKE PEDAL, THE VEHICLE WOULD NOT RESPOND. SHE FELT THE VEHICLE ACCELERATING WHILE ATTEMPTING TO BRAKE. ON ONE OCCASION, WHILE DEPRESSING THE BRAKE PEDAL ON A HILL, THE VEHICLE ACCELERATED DOWN THE HILL. THIS OCCURRED ON SEVERAL OCCASIONS. THE DEALER WAS CONTACTED AND ADVISED BRINGING THE VEHICLE IN FOR A DIAGNOSTIC TEST. NO REPAIRS WERE MADE TO DATE. THE CURRENT AND FAILURE MILEAGES WERE UNDER 67,000. UPDATED 04/01/10 *BF THE CONSUMER STATED WHEN SHE APPLIED THE BRAKE, IT DIDN'T ENGAGE AND THE VEHICLE MOMENTARILY SURGED FORWARD BEFORE THE BRAKE FINALLY ENGAGED. UPDATED 07/06/10.*JB

Mileage: 6,700

TL*THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING APPROXIMATELY 45 MPH AND APPLYING THE BRAKE PEDAL, THE VEHICLE WOULD NOT RESPOND. SHE FELT THE VEHICLE ACCELERATING WHILE ATTEMPTING TO BRAKE. ON ONE OCCASION, WHILE DEPRESSING THE BRAKE PEDAL ON A HILL, THE VEHICLE ACCELERATED DOWN THE HILL. THIS OCCURRED ON SEVERAL OCCASIONS. THE DEALER WAS CONTACTED AND ADVISED BRINGING THE VEHICLE IN FOR A DIAGNOSTIC TEST. NO REPAIRS WERE MADE TO DATE. THE CURRENT AND FAILURE MILEAGES WERE UNDER 67,000. UPDATED 04/01/10 *BF THE CONSUMER STATED WHEN SHE APPLIED THE BRAKE, IT DIDN'T ENGAGE AND THE VEHICLE MOMENTARILY SURGED FORWARD BEFORE THE BRAKE FINALLY ENGAGED. UPDATED 07/06/10.*JB

Mileage: 6,700

THERE APPEARS TO BE A PROBLEM WITH THE BRAKES ON MY 2010 PRIUS. THERE IS A SUDDEN LOSS OF BRAKING FORCE IF I APPLY THE BRAKES WHILE ROLLING OVER UNEVEN PAVEMENT. WHEN IT FIRST OCCURRED, IT WAS ON SNOW. ONCE I SAILED INTO THE INTERSECTION. THE SECOND TIME, I ALMOST REAR ENDED THE CAR IN FRONT OF ME. I WENT HOME AND THEN DROVE MY WIFE'S ACURA IN THE SAME SNOWY CONDITIONS AT THE SAME INTERSECTIONS AND DIDN'T EXPERIENCE ANY PROBLEMS. I KNOW THE PROBLEM WASN'T DUE TO WEATHER CONDITIONS. I HAVE SINCE THEN BEEN ABLE TO REPRODUCE IT IN DRY CONDITIONS. THE COMMON CONDITION IS BRAKING OVER UNEVEN SURFACES. SOME PEOPLE HAVE SAID THAT IT FEELS LIKE SUDDEN SURGE OF ACCELERATION. THE GASOLINE ENGINE ISN'T (USUALLY) ON WHILE THE CAR IS BRAKING. THE SURGE ISN'T DUE TO THE ELECTRIC MOTOR MALFUNCTIONING BECAUSE ON SMOOTH SURFACES, IT BEHAVES AS EXPECTED. I BELIEVE WHAT THEY FEEL IS A LOSS OF BRAKING POWER WHICH MAKES THE CAR FEEL LIKE IT IS ACCELERATING. SOME PEOPLE HAVE BEEN TOLD THAT THIS IS NORMAL ABS BEHAVIOR. I'VE OWNED SEVERAL CARS WITH ABS AND THIS IS NOT THE SAME NOR WHAT I WOULD CONSIDER 'NORMAL' BEHAVIOR. IT COULD BE A COMBINATION OF THE UNEVEN SURFACE WITH ABS, REGENERATIVE BRAKES, FRICTION BRAKES, SUSPENSION SPRING RATE AND TIRES. WHILE NORMAL ABS WILL EXHIBIT LESS BRAKING FORCE AND LONGER DISTANCES TO STOP WHEN IT IS ENGAGED, IT ISN'T THE SAME AS THIS CONDITION. OR AT LEAST IT SHOULDN'T BE THIS TOUCHY TO ENGAGE. WHEN IT HAPPENS, IT IS RATHER ALARMING. I REALLY LIKE THIS CAR. I THINK IT IS A GREAT PIECE OF AUTOMOTIVE TECHNOLOGY. HOWEVER THIS NEEDS TO BE ADDRESSED. I CAN'T ACCEPT IT BEING A NORMAL QUIRK OF THE CAR. I TRAVEL WITH MY WIFE AND YOUNG KIDS IN THIS CAR. IF I CAN'T BE MADE TO FEEL SAFE IN THE CAR, I WILL BE TRADING IT IN SOONER THAN EXPECTED. *TR

Mileage: 2,300

I HAVE NOTICED THE BRAKES IN OUR 2010 PRIUS ARE NOT AS EFFECTIVE AS SLOWING THE CAR AS THEY WERE IN OUR 2004 PRIUS. ON JANUARY 3 I WAS EXITING THE HIGHWAY. AS I WAS ABOUT TO LEAVE THE HIGHWAY WHILE BRAKING I ENCOUNTERED A SLIGHT BUMP IN THE PAVEMENT. I NOTICED THAT WHEN THIS OCCURRED THE BRAKING EFFECTIVENESS DROPPED SUBSTANTIALLY, TO THE POINT WHERE THE CAR FELT AS THOUGH THERE WERE NO BRAKES BEING APPLIED. AS SOON AS THE BUMP WAS GONE THE BRAKING EFFECTIVENESS RETURNED. *TR

Mileage: 6,500

BRAKES TEMPORARILY DISENGAGE DURING BRAKING IF CAN HITS A BUMP OR POTHOLE IN THE ROAD. IT IS ONLY A MOMENTARY INSTANCES BEFORE THE BRAKES RE-ENGAGE, BUT IT GIVES THE FEELING OF ACCELERATING. IT HAS HAPPEND TO ME ABOUT A HALF DOZEN TIMES SINCE PURCHASING THE CAR (2010 TOYOTA PRIUS) IN AUGUST 2009. LUCKILY NO CARS OR PEDESTRIANS WERE IN FRONT OF ME WHEN THIS PROBLEM OCCURRED. *TR

Mileage: 9,500

OUR 2010 PRIUS UNEXPECTEDLY LURCHES WHEN BRAKING. THIS OCCURS WHEN IT HITS A POT HOLE OR WHEN THE SURFACE IS SLICK / SLIPPERY. IT DOES IT EVERY TIME A CERTAIN POTHOLE IS HIT - THAT IS, WE CAN REPRODUCE THE LURCHING. THIS LURCHING, WHICH FEELS LIKE AN UNEXPECTED ACCELERATION, SIGNIFICANTLY AND UNEXPECTEDLY INCREASES THE STOPPING DISTANCE. THIS HAS ALMOST RESULTED IN THE PRIUS STRIKING THE CAR IN FRONT OF IT. IT MAKES IT IMPOSSIBLE TO SAFELY JUDGE YOUR BRAKING DISTANCE IN ORDER TO COME TO A SAFE STOP BECAUSE YOU NEVER KNOW WHEN THIS PHENOMENON WILL OCCUR. THIS ALSO PUTS PEDESTRIANS IN THE CROSS WALK AT RISK, SINCE THE ABILITY TO STOP ACCURATELY IS AFFECTED. WE HAVE TAKEN THE CAR TO THE DEALER TWICE. THEY ARE ABLE TO REPRODUCE THE PHENOMENA. HOWEVER, THEY SAY THAT THE CAR TESTS OUT "WITHIN SPECIFICATIONS", THAT THERE IS NOTHING WRONG WITH THE VEHICLE, THAT IT IS JUST THE WAY IT IS MADE, AND THAT WE JUST HAVE TO GET USED TO IT. THEY SAY THERE IS NOTHING TO FIX OR REPAIR. THEY TOOK ANOTHER 2010 PRIUS OFF OF THEIR LOT AND RAN IT OVER THE SAME POT HOLE AND IT HAD THE SAME PROBLEM. AN ARTICLE BY PAUL A. EISENSTEIN, MSNBC.COM CONTRIBUTOR, UPDATED 7:29 A.M. ET, TUES., DEC. 29, 2009 DESCRIBES EXACTLY THE PROBLEM WE ARE HAVING, AND IT SEEMS TO BE RELATED TO THE BRAKING SYSTEM. THIS DOES NOT SEEM TO BE A PROBLEM WITH ONLY MY VEHICLE - IT APPEARS TO BE A FLEET-WIDE PROBLEM. HAVING THE BRAKES CUT OUT UNEXPECTEDLY IS A MAJOR SAFETY CONCERN. WE DO NOT FEEL SAFE DRIVING THE VEHICLE. *TR

Mileage: 250

2010 PRIUS ACCELERATION SURGE - WHEN I DRIVE OVER A SEWER COVER OR ANY SIMILAR INDENTATIONS IN THE ROADWAY THE VEHICLE SURGES FORWARD IN AN AGGRESSIVE MANNER. I NEED TO APPLY THE BRAKES OR STEER TO AVOID ANY OBJECT IN THE PATH OF THE VEHICLE. IT IS VERY UNSETTLING AND DANGEROUS SINCE THE SURGE IS STRONG AND UNPREDICTABLE. *TR

Mileage: 1,250

I AM WRITING IN RESPONSE TO AN ARTICLE I READ ON MSNBC.COM WHERE PEOPLE MENTION A PROBLEM OF WHICH I HAVE EXPERIENCED THE SAME THING. I HAVE OWNED A 2010 TOYOTA PRIUS FOR 2 MONTHS/5,000 MILES. ON NUMEROUS OCCASIONS, I CAN FEEL THE BRAKES SLIP. TO BE MORE EXACT, IT FEELS AS THOUGH, WHEN I APPLY THE BRAKES, THE CAR LURCHES FORWARD AND THEN BEGINS BRAKING. THERE IS A SPECIFIC SITUATION NEAR MY HOUSE WHERE THIS CONSISTENTLY HAPPENS. IT IS WHEN I AM COMING DOWN A STEEP HILL, AND I APPLY THE BRAKES TO PREPARE FOR A RIGHT TURN, THE CAR PERFORMS AS I MENTIONED BEFORE. IT LURCHES, AND THEN BEGINS BRAKING. *TR

ONCE, WHEN TRANSITIONED FROM SMOOTH TO UNEVEN SURFACES DURING A PARKING OPERATION ON UNEVEN, DOWNHILL PAVEMENT, I EXPERIENCED A LACK OF BRAKE PEDAL PRESSURE. I DO NOT RECALL ANY CHANGE OF ACCELERATION, SIMPLY THE LOSS OF BRAKE PEDAL PRESSURE FOR A VERY BRIEF TIME, PERHAPS FOR A SECOND. IT SURPRISED AND SHOCKED ME TO A FAIR DEGREE AS I THOUGHT, AT THE TIME, THAT MY BRAKES HAD FAILED. BY PRESSING HARDER THE BRAKE PEDAL PRESSURE RETURNED AND I WAS ABLE TO STOP THE CAR NORMALLY. I NOW TAKE INTO CONSIDERATION THE PAVEMENT SURFACE CONDITION WHEN APPLYING MY BRAKES AS I FEEL THE CAR'S BRAKING SYSTEM IS PECULIARLY SENSITIVE TO UNEVEN PAVEMENT SURFACES. *TR

Mileage: 2,000

I HAVE A 2010 TOYOTA PRIUS. WHILE DRIVING BEHIND A CAR ON 17TH STREET IN MANHATTAN THE CAR IN FRONT BRAKED COMING TO A LIGHT I IN TURN HIT THE BRAKES AND HIT A POT HOLE AT THE SAME TIME, THE CAR'S BRAKES SEEMED TO JUMP OR RELEASE AND I HAD TO PUSH DOWN IN A PANIC TO TRY AND CONTROL THE CAR, I MISSED SLAMMING INTO THE CAR IN FRONT BY INCHES. *TR

Mileage: 7,400

SOMETHING WEIRD HAPPENS WHEN I AM BRAKING. AS I AM SLOWING AND BRAKING EVENLY, THERE IS A VERY BRIEF SURGE LIKE I HIT THE ACCELERATOR, BUT MY FOOT IS NO WHERE NEAR THE ACCELERATOR. IT FEELS LIKE THE BRAKES ARE NOT WORKING AT ALL FOR A BRIEF MOMENT. IT SEEMS TO HAPPEN WHEN I HIT A BUMP, BUT IT CAN ALSO HAPPEN FOR NO APPARENT REASON. IT HAS HAPPENED ABOUT 5 TIMES NOW AND IT SEEMS TO BE INCREASING IN FREQUENCY. IT ALSO HAPPENED ONCE WHEN MY BOYFRIEND WAS DRIVING IT. *TR

Mileage: 1,000

IN MY 2010 TOYOTA PRIUS, AS I'M BRAKING ON A ROUGH SURFACE, IT FEELS AS THOUGH THE CAR ACCELERATES FOR A SPLIT SECOND. IT HAPPENED MOST RECENTLY ON 12/22 AS I WAS COMING TO A STOPLIGHT ON A ROAD WITH PATCHES OF SNOW/ICE DEBRIS IN CAMBRIDGE, MA. IT HAS OCCURRED MAYBE 5 TIMES SINCE I BOUGHT THE CAR IN AUGUST, AND AT FIRST I THOUGHT I WAS JUST IMAGINING IT. WHEN IT HAPPENS, MY HEART RACES AND I PRESS THE BRAKE HARDER, WHICH SEEMS TO MAKE IT ENGAGE. THE END RESULT IS THAT THE STOPPING DISTANCE IS LONGER THAN IT SHOULD BE, AND IT'S DEFINITELY SCARY. I TOOK THE CAR INTO THE DEALERSHIP ON WEDNESDAY, DECEMBER 23RD TO HAVE IT CHECKED OUT. THE CAR WAS APPROVED AS FUNCTIONING AS NORMAL, WITH A WRITE-UP SAYING THE MASTER MECHANIC LOOKED AT IT, TOOK IT FOR A DRIVE ON A BUMPY SURFACE, AND CLEARED IT AS FINE. THE CLIENT SERVICES MANAGER EXPLAINED THAT I JUST NEEDED TO GET USED TO THE SENSATION WHEN THE ABS KICKS IN. *TR

Mileage: 2,900

2010 TOYOTA PRIUS, 4500 MILES WHILE BRAKING, THE CAR HIT A SET OF FLUSH RAILROAD TRACKS. THE BUMP OF THE TRACKS CAUSED THE BRAKING SYSTEM TO FEEL LIKE IT STOPPED WORKING, AND I HAD TO RE-PUMP THE BRAKES TO GET BRAKING TO RE-ENGAGE. THE CAR HAS HAD A COUPLE MORE SIMILAR EPISODES OF THE BRAKES SEEMING TO DIS-ENGAGE. *TR

Mileage: 200

I HAVE A NEW TOYOTA PRIUS 2010 AND HAVE EXPERIENCED THE LOSS OF BRAKING COMBINED WITH A SIMULTANEOUS ACCELERATION ABOUT 4 TIMES NOW. IT IS INCREDIBLY SCARY. I HAVE NEVER HAD THIS HAPPEN ON ANY OTHER CAR THAT I'VE DRIVEN. IT HAPPENS WHEN I HIT A BUMP IN THE REAR. I NOW SEE THAT MANY PEOPLE ARE EXPERIENCING THIS AS I SAW AN ARTICLE ON MSNBC.MSN.COM. I NOW SEE THAT OTHERS ARE EXPERIENCING THE SAME PROBLEM. THIS HAS TO BE INVESTIGATED. THE LAST TIME IT HAPPENED I WAS FACING A CLIFF AND HAD THE CAR NOT STOPPED, MY DAUGHTER AND I WOULD HAVE GONE OFF THE CLIFF AND PROBABLY WOULD HAVE PERISHED. THIS IS ASKING FOR ACCIDENTS TO HAPPEN AND SOMETHING MUST BE DONE TO FIX THIS PROBLEM. THERE ARE WAY TOO MANY OF THESE CARS ON THE ROAD. I DO NOT HAVE THE WIN NUMBER ON HAND, BUT WILL ADD IT TOMORROW. THIS HAS OCCURRED APPROX 4 TIMES AND THE CAR ACCELERATES AT THE SAME TIME I LOSE BRAKING CAPABILITIES. *TR

Mileage: 5,172

THE ROADS WERE COVERED WITH SNOW AND WERE QUITE SLIPPERY. I WAS COMING DOWN A HILL TO A STOP SIGN AT ABOUT 10 MPH. I HIT THE BRAKES LIGHTLY, THE ABS ENGAGED (I COULD HEAR/FEEL THE BRAKES PULSE), BUT THE CAR DIDN'T SLOW DOWN MUCH. I JAMMED ON THE BRAKES, THE ABS WAS STILL ENGAGED AND THE CAR FINALLY STOPPED IN THE MIDDLE OF THE INTERSECTION, AGAIN SLOWING DOWN VERY SLOWLY. IF IT HAD NOT BEEN A FOUR-WAY STOP, SOMEBODY WOULD HAVE HIT ME! I KEPT DRIVING AND THE SAME THING KEPT HAPPENING TO ME: I HIT THE BRAKES, THE ABS ENGAGED AND THE CAR STOPPED VERY SLOWLY. IN SOME CASES, IT FELT LIKE THE CAR EVEN ACCELERATED A LITTLE BIT BEFORE FINALLY (AND SLOWLY) COMING TO A STOP. I AM A MECHANICAL ENGINEER AND USED TO WORK FOR GENERAL MOTORS - I HAVE DRIVEN LOTS OF CARS - AND THIS HAS NEVER HAPPENED TO ME BEFORE. I IMMEDIATELY DROVE HOME AND DROVE MY 2002 HONDA CIVIC (WHICH DOES NOT HAVE ANTI-LOCK BRAKES) DOWN THE SAME ROAD. WHILE THE CAR DID SLIDE IN THE SNOW, IT STOPPED IN ABOUT ONE-THIRD THE DISTANCE OF MY PRIUS. THERE IS DEFINITELY SOMETHING THE MATTER WITH THE BRAKING SYSTEM AND/OR THE TRACTION CONTROL SYSTEM WHEN THE ABS ENGAGES. *TR

Mileage: 3,500

ON NOV. 3, 2009, I PURCHASED A PRIUS IV 2010. ON NOV. 10 COMING TO RED LIGHT ON A DRY ROAD. BRAKES GENTLY APPLIED. RIGHT FRONT TIRE HIT A BUMP IN ROAD. CAR SLIGHTLY ACCELERATED BEFORE BRAKES KICKED IN. IT HAS HAPPENED A FEW MORE TIMES SINCE THEN. IN EACH CASE, THE ROAD WAS DRIVE. EVERY TIME WHEN BRAKES ARE APPLIED AND CAR THEN ROLLS OVER A BUMP OR HOLE IN PAVEMENT THIS ACCELERATION OCCURS. LAST TIME WAS ON DEC. 15. EAST HOUSTON IN NYC. COMING TO A LIGHT. BRAKES APPLIED. CAR WAS ALMOST AT A FULL STOP. TIRES TOUCHED ON GOOD SIZED FLAW IN THE PAVEMENT AND THE CAR SLIGHTLY SPED UP. I WAS REALLY FEARFUL THAT TIME THE PRIUS WAS GOING TO HIT THE CAR IN FRONT. *TR

Mileage: 700

I HAVE A 2010 TOYOTA PRIUS (PURCHASED IN OCTOBER 2009). I HAVE NOTICED ON SEVERAL OCCASIONS THE BRAKES MOMENTARILY DON'T WORK AFTER GOING OVER A BUMP. I FEEL A LOSE OF CONTROL OF THE CAR. *TR

Mileage: 2,000

1. APPLYING BRAKES NORMALLY, BUT DURING BRAKING HIT A BUMP, OR A SEAM IN THE ROAD, OR WET PAVEMENT, OR SMALL PATCH OF ICE. 2. ABS SYSTEM KICKS IN, HOWEVER APPEARS TO KICK IN TOO AGGRESSIVELY AND ALL BRAKING FORCE SEEMS TO DISAPPEAR WHILE CAR FEELS AS IF IT IS ACCELERATING. MAINTAINING BRAKE FORCE OR RE APPLYING BRAKE EVENTUALLY BRINGS CAR TO HALT. 3. NOTHING HAS BEEN DONE TO REMEDY THIS. NO WARNING LAMPS ARE LIT, ETC. I WILL CALL TOYOTA TOMORROW. HAVE OWNED CAR SINCE NEW, ABOUT 6 MONTHS, AND THIS SCENARIO HAS OCCURRED SEVERAL TIMES NOW. *TR

Mileage: 4,425

I HAVE DRIVEN MY 2010 PRIUS (WHICH I BOUGHT NEW FROM LOCAL TOYOTA DEALER) SINCE JULY, 2009. I HAVE NOTICED ON SEVERAL OCCASIONS THAT WHEN THE CAR DRIVES OVER A BREAK IN THE PAVEMENT (POTHOLE, OR ROADWORK WHERE THE PAVEMENT HEIGHT DROPS), IT SUDDENLY FEELS "AIRBORNE," AND WILL NOT BRAKE OR SLOW DOWN FOR SEVERAL YARDS, NO MATTER WHAT I DO. I HAVE WORRIED ABOUT NOT BEING ABLE TO STOP AND HITTING A CAR OR A PEDESTRIAN FRONT OF ME, BUT SO FAR EACH TIME MY CAR HAS HAD THIS AIRBORNE-LIKE PROBLEM, I HAVE BEEN FAR ENOUGH AWAY FROM THE CAR OR PERSON IN FRONT OF ME TO STOP. OTHER PEOPLE DRIVING 2010 PRIUS CARS HAVE REPORTED HAVING THE SAME PROBLEM. TOYOTA SHOULD BE REQUIRED TO SOLVE THIS BRAKING ISSUE, AND RECALL THE 2010 PRIUS TO REPAIR THIS PROBLEM. *TR

Mileage: 4,500

CAR HIT BUMP OR POTHOLE ON THE FREEWAY, WHILE BRAKING, BRAKING POWER WAS SIGNIFICANTLY REDUCE FOR A SHORT PERIOD OF TIME. *TR

Mileage: 9,000

EVENTS LEADING UP TO FAILURE: HITTING THE BRAKES AND HITTING A BUMP IN THE PAVEMENT OF THE ROAD AT THE SAME TIME. HOW OFTEN: ALL THE TIME, IF YOU ARE HITTING THE BRAKES, AND HITTING A BUMP AT THE SAME TIME. WHAT WAS DONE: NOTHING. TOYOTA CLAIMS NOTHING IS WRONG. *TR

Mileage: 200

2010 TOYOTA PRIUS BRAKE FAILURE. EVERYTIME WHILE BRAKING IF THERE IS A BUMP OR ON EVEN A SLIGHT BIT OF ICE ON 1 WHEEL ONLY, THE BRAKES WILL RELEASE COMPLETELY AND GO BACK TO ACCELERATING RATHER THAN BRAKING. IT HAPPENS WHEN I EXIT THE HIGHWAY AND THERE IS A CHANGE IN SURFACES FROM TAR TO CONCRETE. IT HAPPENS VERY OFTEN AND CAN HAPPEN ANYTIME. THIS OCCURS AT ANY SPEED FROM 10MPH UP AND I HAVE EXPERIENCED IT FROM 10MPH AND AS HIGH AS 55MPH. THE PROBLEM FIRST OCCURRED AROUND 500 MILES ON THE CAR AND I NOW HAVE OVER 8500 MILES. THIS STARTED IN AUGUST AROUND THE 15TH. I HAVE A 2007 HUMMER H3 AND I HAVE COMPARED THE BRAKING WITH THE SAME CONDITIONS AND SPEEDS AND THE PRIUS IS NOT RESPONDING CORRECTLY. THE HUMMER BRAKES EVEN WITH THE CHANGES. I HAVE ALSO COMPARED ON A 2006 VOLVO S60. THESE BRAKES ARE FAILING AND IT WILL EVENTUALLY RESULT IN A CRASH OR A PEDESTRIAN BEING STRUCK. THERE IS NO PULSING OF THE BREAKS THERE IS ONLY RELEASING FOR ICE OR FOR ANY SURFACE OTHER THAN PERFECT. THERE SHOULD BE SOME TYPE OF REPAIR OR RECALL IMMEDIATELY. I HAVE NOTICED THIS BUT THOUGHT IT WAS ONLY ME UNTIL I SAW THE MSNBC ARTICLE. I WILL NOT LET MY WIFE DRIVE THIS CAR SINCE SHE IS PREGNANT. IT IS NOT SAFE. WHILE SITTING AT TRAFFIC LIGHTS THE TRACTION CONTROL LIGHT KEEPS TURNING ON AND BLINKING AND WILL LOCK THE BRAKES UNTIL THE GAS PEDAL IS PRESSED. I HAVE NEVER HAD AN ANTI-LOCK OR ANY TYPE OF BREAKING ISSUE IN 15 YEARS OF DRIVING VARIOUS VEHICLES. *TR

Mileage: 500

IT WAS SNOWING AND VERY SLIPPERY. I WAS SLOWING DOWN AND TURNING INTO MY DRIVEWAY WHEN SUDDENLY IT FELT LIKE I HAD NO BRAKES. THIS IS DIFFERENT FROM ABS WHICH HAD GONE OFF OCCASIONALLY DURING THE TRIP. AS A RESULT I ENDED UP HITTING A SNOW BANK AT THE END OF MY DRIVEWAY. *TR

Mileage: 4,500

COMING UP TO STOP SIGN, PERHAPS 25MPH, AT INTERSECTION OF SERVICE ROADS LEAVING WORKPLACE. CAR COMING (ALSO PROBABLY 25MPH) FROM THE LEFT. THERE WAS SOME LIGHT SNOW (NOT COVERING), BUT NOTHING UNUSUAL. APPLIED BRAKES TO STOP. BRAKES WORKED AT FIRST, BUT THEN SEEMED TO STOP WORKING FOR SEVERAL SECONDS, LEAVING MY WONDERING IF I WAS GOING TO GO THROUGH THE STOP SIGN AND HAVE A SLOW-SPEED COLLISION WITH THE CAR COMING FROM THE LEFT. LUCKILY THE BRAKES EVENTUALLY SEEMED TO GRAB, AND THE CAR ROLLED TO A STOP RIGHT AT THE INTERSECTION. *TR

Mileage: 12,000

THERE ARE TIMES THAT ON MY 2010 PRIUS THAT THE BRAKES SEEM TO FAIL. IF THERE IS ANYTHING IN THE ROAD (I.E RAISED LANE MARKERS, POTHOLES, RAISED CONCRETE) THAT THE TIRE ENGAGES IN DURING BRAKING, IT TAKES LONGER THAN IT SHOULD TO MAKE A SAFE STOP. ALSO, WHEN I PARK ON A SLIGHT INCLINE THERE SEEMS TO BE BRAKING ISSUES WHERE THE CAR 'JERKS' WHEN I AM IN REVERSE. THESE TWO ISSUES CONTINUE ON A REGULAR BASIS. *TR

Mileage: 500

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. SHE EXPERIENCES POOR BRAKE FUNCTIONALITY DURING BRAKE APPLICATION. THE VEHICLE WAS TAKEN TO A DEALER FOR INSPECTION. THE TECHNICIAN COULD NOT DUPLICATE THE FAILURE, SO HE COULD NOT PROVIDE A REMEDY. THE FAILURE MILEAGE WAS 1,000.

Mileage: 1,000

WHILE BRAKING, MY CAR HIT A BUMP AND IT FELT LIKE THERE WAS A SUDDEN SURGE OF ACCELERATION. I HAD TO PRESS THE BRAKES EXTRA HARD TO FEEL LIKE I REGAINED CONTROL OF THE CAR. THIS IS DEFINITELY A REPEATABLE PROBLEM, JUST DRIVE THE CAR OVER A POT-HOLE OR A BUMP WHILE YOU'RE BREAKING TO RECREATE THE CONDITION. *TR

Mileage: 2,000

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. OCCASIONALLY WHEN HE DRIVERS OVER A ROUGH TERRAIN OR SPEED BUMPS WHEN ATTEMPTS TO APPLY THE BRAKES, THE BRAKES WILL NOT FUNCTION FOR SEVERAL SECONDS. THE VEHICLE HAS NOT BEEN DIAGNOSED BY THE DEALERSHIP. THE CURRENT AND FAILURE MILEAGES WERE 6000. UPDATED 01/29/10 *BF UPDATED 02/01/10.*JB

Mileage: 6,000

I HAVE A 2010 TOYOTA PRIUS (GENERATION 3). PURCHASED ON 10/15/2009. I HAVE EXPERIENCE UNEXPECTED LOSS OF BRAKING WHEN DECELERATING TO ABOUT 5-10 MPH AND WHEN THE VEHICLE HITS OR GOES OVER A BUMP. THIS HAVE HAPPENED MULTIPLE TIMES. THERE WERE NO PROPERTY DAMAGE, HOWEVER, THE UNEXPECTED LOSS OF BRAKING AND A FEELING OF ACCELERATION IS UNSETTLING. I FEEL THIS MAY EVENTUALLY LEAD TO A VEHICULAR COLLISION. *TR

Mileage: 300

IN REVERSE CAR SPEEDS AND BRAKE STIFFENS AND UNABLE TO SLOW REVERSE SPEED. ALSO, TWO TIMES WHILE ACCELERATING AT 25 MILES PER HOUR THE CAR SEEMED TO LIFT UP THEN SETTLE DOWN. VERY FRIGHTENING. *TR UPDATED 02/02/10 *BF THE CONSUMER STATED WHEN THE VEHICLE WAS IN REVERSE, THE BRAKES FROZE. THE DAY AFTER THE VEHICLE WAS AT THE DEALER, THE CONSUMER PARKED ON A SMALL INCLINE, THE FRONT FACING UP. WHEN SHE STARTED THE VEHICLE, SHE PUSHED THE START BUTTON, PUT THE VEHICLE IN REVERSE, DISENGAGED THE EMERGENCY BRAKE, AND IMMEDIATELY THE BRAKES FROZE AND THE CONSUMER STARTED TO GO BACKWARDS WITHOUT CONTROL OF THE BACKING UP THE CAR. THE CONSUMER WAS UNABLE TO CONTROL THE BACKWARDS MOVEMENT SO SHE IMMEDIATELY SHUT DOWN THE POWER. SHE THEN STARTED THE VEHICLE AGAIN, PUT IT REVERSE, DISENGAGED THE EMERGENCY BRAKE AND EVERYTHING WAS NORMAL. UPDATED 03/01/10 UPDATED 05/05/10.*JB

Mileage: 700

I OWN A 2010 TOYOTA PRIUS, AND LIKE MANY HAVE EXPERIENCED THE BRAKES "CUTTING OUT" WHEN SLOWING DOWN AND GOING OVER A ROUGH SECTION OF ROAD. I DRIVE THROUGHOUT THE HOUSTON, TEXAS AREA AND HAVE HAD THIS ISSUE HAPPEN MANY TIMES, USUALLY UNEXPECTEDLY. THERE ARE A FEW PLACES I DRIVE REGULARLY THAT CREATE THE ISSUE AND I ANTICIPATE THEM AND ADJUST MY DRIVING ACCORDINGLY. *TR

Mileage: 8,917

WHILE BRAKING OVER A ROUGH SURFACE SUCH AS POTHOLES, TRAIN TRACKS OR JUST ROUGH PAVEMENT, THE BRAKES FEEL LIKE THEY CUT OUT FOR A BRIEF (WELL UNDER A SECOND) PERIOD. THIS COULD BE ABS ACTIVATING OR IT COULD BE THE CHANGEOVER FROM REGENERATIVE BRAKING TO FRICTION BRAKING OR SOMETHING I AM NOT AWARE OF. I WOULD DESCRIBE THE FEELING AS "FLOATING" OR HITTING A PATCH OF EXTREMELY SLIPPERY ICE OR LIKE MY FOOT HAS SLIPPED OFF THE BRAKE PEDAL. I AM CONFIDENT THAT THIS EVENT INCREASES STOPPING DISTANCE BUT I HAVE NO IDEA HOW MUCH AND IT MAY ONLY BE INCHES. I KNOW FROM READING, THIS HAS BEEN REPORTED YEARS AGO WITH THE PREVIOUS GENERATION PRIUS. OVERALL, I AM EXTREMELY PLEASED WITH THE CAR BUT THIS IS SOMETHING I BELIEVE SHOULD BE INVESTIGATED. OH YES, IT IS FAIRLY EASY TO REPRODUCE AND HAS HAPPENED TO ME 3-5 TIMES IN THE 6000 MILES I HAVE DRIVEN THE CAR. IT IS NOT NEARLY AS TERRIFYING NOW AS IT WAS THE FIRST TIME BUT WHEN IT HAPPENS IT DEFINITELY GRABS YOUR ATTENTION! IT HAS NOT CAUSED ME TO GET IN AN ACCIDENT BUT I BELIEVE THE POTENTIAL IS THERE FOR AN ACCIDENT TO OCCUR. *TR

Mileage: 5,500

2010 TOYOTA PRIUS WITH 2500 MILES. SINCE PURCHASED ON 8/2009, I HAD MORE THAN TEN EXPERIENCES OF UNEXPECTED ACCELERATION (SUDDEN UNINTENDED ACCELERATION) ON REVERSE THAT FEEL LIKE TWO OR THREE TIME (STRONGER) FASTER THAN NORMAL REVERSE. ACCOMPANY THE HIGHER SPEED REVERSE, A HEAVY, ABRUPT BRAKING WITH A SLIGHT TOUCH OF THE BRAKE DURING THIS EVENT. THE BIG "JERK" (BRAKING) ROCK THE ENTIRE CAR AND BANGED HEADS AGAIN THE HEADRESTS.THIS ONLY HAPPENED WITH ELECTRIC MODE AND MOST TIME WITH THE CAR PARKED A SLIGHT INCLINE. THIS UNINTENDED ACCELERATION SOMETIME HAPPEN A FEW TIME A DAY OR IT CAN GO TWO, THREE WEEKS WITHOUT ANY PROBLEM. THE DEALER CAN NOT FIND ANYTHING WRONG WITH MY CAR. AND TOYOTA HAVE NO INFORMATION ABOUT THIS PROBLEM. HOWEVER, IF YOU GO TO PRIUSCHAT FORUM UNDER GEN III 2010 PRIUS MAIN FORUM-BRAKING IN REVERSE, THERE ARE MANY PEOPLE WITH THE SAME PROBLEMS. I STRONGLY BELIEVE THIS IS VERY DANGEROUS IF A NEW DRIVER GET IN MY CAR AND NOT KNOW ABOUT IT. THERE IS ONE POST IN PRIUSCHAT FORUM THAT BEST EXPLAIN THE PROBLEM: JUST YESTERDAY, MY PRIUS-III BACKED UP WITH SUDDEN UNINTENDED ACCELERATION, WITH MY FOOT ONLY ON THE BRAKE PEDAL.... I RECOGNIZED WHAT WAS HAPPENING BECAUSE IT HAPPENED ONCE BEFORE, JUST OVER 2 MONTHS AGO. JUST A FEW DAYS AFTER I GOT THE CAR. WHEN I WAS BACKING OUT OF AN INCLINED DRIVEWAY... I SUSPECT THAT SOME UNUSUAL ELEMENT OF THE TIMING OF TURNING THE CAR ON AND SHIFTING INTO REVERSE, AND POSSIBLY THE INTERNAL STATE OF THE COMPUTER AND THE HYBRID POWER SYSTEM COMBINE TO PRODUCE THIS "ABRUPT" REVERSE ACCELERATION AS I AM GENTLY EASING OFF MY FOOT PRESSURE ON THE BRAKE PEDAL... THE ABRUPT BRAKING EFFECT DOES OCCUR, BUT ONLY IN RESPONSE TO THE MUCH MORE DANGEROUS "UNEXPECTED, UNINTENDED" REVERSE POWER (ACCELERATION), TO STOP THE CAR MOTION. NO MATTER HOW GENTLY THE BRAKE IS EASED FURTHER ON TO STOP, THE STOP IS "ABRUPT" BY GARYGID ORANGE COUNTY, CA. I AM TRYING TO WORK WITH TOYOTA ON THIS ISSUE. THANK YOU. *TR

2010 PRIUS "FREEWHEELS" IF YOU HIT A BUMP WHILE BRAKING. THIS OCCURS EVERY FEW WEEKS. NOTHING HAS BEEN DONE TO CORRECT. *TR

Mileage: 4,000

I WAS UNABLE TO SLOW DOWN GOING INTO AN INTERSECTION AT A REASONABLE RATE OF SPEED. WHILE I WAS NOT ACCELERATING, WHEN I APPLIED THE BRAKES THE CAR DID NOT SLOW DOWN AS I WOULD HAVE EXPECTED. THIS SAME BEHAVIOR HAS OCCURRED IN THE PAST SEVERAL MONTHS SINCE I'VE OWNED THE PRIUS 2010 MODEL. IT SEEMS TO SKIP FORWARD OR ACCELERATE WHILE BRAKING ON A DOWNHILL OR UNEVEN SURFACE. BY THE TIME I WAS ABLE TO STOP I THE AIRBAGS HAD GONE OFF AND I HAD HURT MY NECK AND BACK. IT IS A NEW VEHICLE THAT NOW HAS ALMOST $14,000 DAMAGE AND WON'T BE FIXED FOR A MONTH. IF ANYTHING, I'M AN OVERLY CAUTIOUS DRIVER AND WONDERING WHAT I COULD HAVE DONE TO AVOID THE ACCIDENT. *TR

Mileage: 8,100

MY 2010 PRIUS V HAS VERY JERKY BRAKES SOMETIMES WHEN STARTING OUT. CAUSES ALL PEOPLE IN CAR TO BE JERKED AROUND. MANY OTHER PRIUS 2010 OWNERS REPORT SAME PROBLEM. TOYOTA DENIES KNOWING ABOUT PROBLEM IN SPITE OF MANY COMPLAINTS! *TR

Mileage: 1,000

I BOUGHT A BRAND NEW 2010 TOYOTA PRIUS AND LEFT THE DEALER ON OCTOBER 23, 2009. I HAD TO STOP SHORT AT ONE OF THE STOPLIGHTS ON THE WAY HOME AND NOTICED A DISTURBING LAG BEFORE THE BRAKES ENGAGED. HOURS LATER I WAS DRIVING DOWN A MAJOR HIGHWAY WHEN TRAFFIC STOPPED SUDDENLY AND THE BRAKES WOULD NOT ENGAGE. I REAR-ENDED THE CAR IN FRONT OF ME AND MODESTLY DAMAGED THE CAR I HIT AND SEVERELY DAMAGED MY NEW PRIUS. FORTUNATELY NOONE WAS HURT. MY SIX YEAR OLD SON WAS IN THE BACK SEAT. *TR

Mileage: 10

PLEASE INVESTIGATE THE 2010 PRIUS AND ITS' BRAKING SYSTEM. WHILE BRAKING ON A WET PAVEMENT, GOING DOWN HILL OR BRAKING WHEN THE CAR GOES OVER AN UNEVEN OR BUMPY SERVICE, THE CAR ACCELERATES OR LURCHES FORWARD. FORTUNATELY, I WAS A SAFE DISTANCE FROM OTHER CARS OR COULD HAVE HIT SOMETHING WITH THIS SURGE EFFECT. THE CAR ONLY HAS 400 MILES AND THIS HAS OCCURRED AT LEAST 4 TIMES, THE MOST RECENT TODAY ON A HILL WITH WET PAVEMENT AS THE CAR WAS HEADING DOWN HILL. THE BRAKE WAS GENTLY DEPRESSED AND THE CAR SURGED FORWARD. *TR

Mileage: 440

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING OVER LARGE AND SMALL SPEED BUMPS THE VEHICLE ACCELERATED WITHOUT WARNING. AS A CONSEQUENCE HIS RISK FOR SERIOUS INJURY AND CRASH WERE INCREASED. HE IS IN THE PROCESS OF HAVING THE VEHICLE INSPECTED TO DETERMINE THE CAUSE OF THE FAILURE. THE FAILURE AND CURRENT MILEAGES WERE 1,000. UPDATED 09/14/09 *BF THE CONSUMER STATED ON 6 SEPARATE OCCASIONS , WITH 2 DIFFERENT DRIVERS, SUDDEN, BRIEF AND UNEXPLAINED ENGINE ACCELERATION WAS EXPERIENCED WHEN A BUMP WAS HIT IN THE ROAD WHILE APPLYING THE BRAKES. THE DRIVER COULD HEAR THE ENGINE REV UP AND THERE WAS A SURGE OF POWER FROM THE ENGINE DESPITE HIS FOOT NOT BEING ON THE ACCELERATOR, BUT BEING ON THE BRAKE. IN EACH OF THE 6 INCIDENTS THE CONSUMER AND SECOND DRIVER WERE ABLE TO STOP SAFELY, BIT WERE PUT AT RISK OF AN ACCIDENT AND/OR INJURY DUE TO THE ERRONEOUS ACCELERATION. UPDATED 09.15.09. *JB UPDATED 10/13/09. *LJ THE CONSUMER STATED THE CRUISE CONTROL WAS NOT ENGAGED AND IT DIDN'T FEEL LIKE THE ANTI-LOCK BRAKES ENGAGED EITHER. UPDATED 10/13/09 THE CONSUMER ALSO EXPERIENCED BRAKING PROBLEMS AS WELL. THE CONSUMER STATED THE PROBLEM HAS GREATLY DIMINISHED. UPDATED 02/05/10.

Mileage: 1,000