FaultScore

2010 Toyota Prius acceleration problems

287 of the 3,482 complaints about the 2010 Toyota Prius are about the throttle and cruise control — 8% of everything reported for this model year. Half of the failures with a mileage on record happened before 4,300 miles.

C

287

Complaints

34

Crashes

1

Fires

8

Injuries

Exactly what failed

Vehicle Speed Control 286 99.7%
Accelerator Pedal 1 0.3%

Acceleration & Cruise Control across every Toyota Prius year

2001 25 2.4%
2002 12 1.2%
2004 52 5.1%
2005 109 10.7%
2006 84 8.2%
2007 124 12.1%
2008 156 15.3%
2009 71 6.9%
2010 287 28.1%
2011 28 2.7%
2012 13 1.3%
2013 21 2.1%
2014 14 1.4%
2016 13 1.3%
2017 13 1.3%

What owners said

Filed with NHTSA, in their own words.

at 194,000 miles Woolwine, VA

VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

The contact owns a 2010 Toyota Prius. The contact stated while driving 45 MPH downhill on a mountain and depressing the accelerator pedal, the pedal travelled down to the floorboard, but the vehicle failed to accelerate as intended. The contact pulled over to the side of the road. The contact stated that upon turning off and restarting the vehicle several times, the vehicle responded as needed. The contact stated that the failure recurred after making a turn at 3-4 MPH downhill. The vehicle was not diagnosed or repaired. The dealer and the manufacturer were notified of the failure. The failure mileage was 194,000.

NHTSA complaint #11675989 — an unverified report by a vehicle owner.

Englewood, OH

VEHICLE SPEED CONTROL

Heading westbound on I-70, taking Exit 29 off ramp from highway, I drove over uneven pavement. My traction control, ABS and brake lights illuminated, the brakes suddenly felt mushy. As I approached the stoplight at the end of the exit ramp, I questioned whether I would be able to stop. Scared me immensely. Luckily no cars were near me. I now do not have ABS, Traction Control, stability control OR regenerative braking.

NHTSA complaint #11617367 — an unverified report by a vehicle owner.

Irvine, CA Crash

VEHICLE SPEED CONTROL

My car accelerated significantly on its own while I was pulling into a parking stall in a private parking lot. It caused my vehicle to jump a curb and accelerate up a dirt divider and push over a bush that was planted in the dirt divider. Depressing my brakes did not Decelerate the car, so I pressed the Park button to eventually stop the vehicle. I’m not sure what speed it was traveling when it accelerated, but I could smell burning rubber at the end of the incident. I’m not sure when the smell first occurred.

NHTSA complaint #11590556 — an unverified report by a vehicle owner.

San Tan Valley, AZ

VEHICLE SPEED CONTROL

see all over the internet that 2010 Prius have a recall for Inverter. I called the dealer they said no recall with my vin. I was told that a new inver is almost $5000 dollars. i NEED HELP i HAVE BOUGHT 3 TOYOTA ALREADY. Please help me with good will or warrenty the inverter like you have so many other people with 2010 Prius. If not I willand my family will never buy a Toyota again. Please call or email me [XXX] [XXX] The Prius died when driving and we almost got in a major accident because it stalled with no warning. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA complaint #11584154 — an unverified report by a vehicle owner.

Clovis, CA

VEHICLE SPEED CONTROL

Total malfunction at highway speeds. Very unsafe, the car completely shut off. This may have resulted in a highway fatality due to collision as the vehicle was in the fast lane. NTSA please do your due diligence and investigate the faulty, defective HYBRID system as I believe the faulty inverter recall is much more larger than the original recall

NHTSA complaint #11581635 — an unverified report by a vehicle owner.

Dracut, MA

VEHICLE SPEED CONTROL

The breaking lights, skid lights and another light associated with breaks came out and I lost the ABS abilities, the hv battery is not charging while breaking. These lights comes out randomly. Very risky especially while breaking.

NHTSA complaint #11548847 — an unverified report by a vehicle owner.

Irvine, CA

VEHICLE SPEED CONTROL

The ABS, VSC/traction control, and brake system warning lights all came on at the same time in my 2010 Toyota Prius. I almost lost control of my car's braking ability. Afterwards, the hybrid system does not perform its regenerative braking/recharging any longer. And the cruise control mode doesn't work also. The DTC from the OBD2 port is C1391 - abnormal leak in the brake fluid accumulator. I found out that this issue is widespread among Gen 3 Priuses, but Toyota has not made this officially a recall campaign, but classifies it as a "customer support bulletin." But the issue is dangerous enough that it should be a recall item. I moved homes in fall of 2018, and Toyota says it mailed out a letter about this brake issue and resulting campaign, but I never received the letter. I was totally unaware that this was a safety issue, that Toyota acknowledged it, and that this safety issue with an ongoing "recall" campaign with an expiration date. Toyota denies that this is a recall issue, and will not provide this service. I would like for NHTSA to reopen and investigate this issue, and make Toyota issue a general recall campaign to resolve this dangerous safety problem with the car.

NHTSA complaint #11506132 — an unverified report by a vehicle owner.

Paramount, CA

VEHICLE SPEED CONTROL

I was driving my 2010 Toyota Prius and my car started beeping when I was driving when I tried to slow down the car was not able to stop the breaking system ABS started displaying and my car started to beep and it won’t stop beeping. I did take my car to the dealer for a recalled inspection after my car broke down and I was no longer able to drive for my own safety. After I took the car to Downey Toyota for hybrid recall they didn’t tell me anything but on the document they gave me it did state that the ABS was a problem. Now my car is still not able to be used because of my own safety concerns since the vehicle won’t break when I put the brake pedal and a none stop beeping sound that won’t stop at all.

NHTSA complaint #11494890 — an unverified report by a vehicle owner.

Olean, NY

VEHICLE SPEED CONTROL

The digital speedometer display has stopped working. I can no longer see my speed or fuel gauge. I was quoted nearly $3,000 at the dealer to repair the vehicle.

NHTSA complaint #11434759 — an unverified report by a vehicle owner.

Arcadia, CA

VEHICLE SPEED CONTROL

The dash lights on my 2010 Prius went all dark, lost all information on my dash. No lights on dash, no fuel gauge, no speedometer, nothing. This is very dangerous to suddenly have happened and I don't see a recall from Toyota to address this problem.

NHTSA complaint #11432083 — an unverified report by a vehicle owner.

Wake Forest, NC 1 injured

VEHICLE SPEED CONTROL

Check hybrid system light ignites, slows down vehicle in middle of high speed highway. First incident November of 2020 then several incidents after. Repair shops don't assure problem according to error codes & they recommend possibilities they cannot assure will resolve the problem. Car was taken into local dealership after receiving recall notice for software and airbags prior to November 2020 when the issue began. Software update took a couple of hours. Restart/reboot temporarily allowed driving again. Most recently the system entirely shut down & the car will not start or run. Abandoned car on side of the road and got heat exhaustion from walking the rest of the way home and had vehicle towed. Error lights come on including "check hybrid system" says "shift to P position when starting" and will not allow start.

NHTSA complaint #11422908 — an unverified report by a vehicle owner.

at 139,000 miles Lincolnwood, IL

VEHICLE SPEED CONTROL

MY CAR IS ACCELERATING WHILE BRAKING. WHENEVER I TRY TO BRAKE ON THE ROAD WHILE CURBING OR STOPPING AT THE TRAFFIC SIGNALS, THE CAR SKIPS/SLIDE FORWARD. IT'S GETTING WORSE ON THE RAINY TIME THOUGH.

NHTSA complaint #11362616 — an unverified report by a vehicle owner.

Huntsville, AL

VEHICLE SPEED CONTROL

DEFECT WITHIN THE BRAKE BOOSTER PUMP ASSEMBLY. IF THIS DEFECT OCCURS, VARIOUS WARNING LAMPS ON THE INSTRUMENT PANEL MADE ILLUMINATE, I EXPERIENCE INCREASED STOPPING DISTANCE, REDUCED HYDRAULIC PRESSURE WITHIN YOUR BRAKE SYSTEM, THE DEACTIVATION OF BRAKE ASSIST, AND/OR THE DEACTIVATION OF VEHICLE STABILITY CONTROL. TOYOTA HAS PREVIOUSLY ISSUED AT LEAST TWO SAFETY RECALLS ' D0H AND K0L ' DESIGNED TO PREVENT SIMILAR DANGEROUS OCCURRENCES. HOWEVER, HUNDREDS OF THOUSANDS OF GENERATION III PRIUS VEHICLES (2010-2015 MODEL YEARS) WERE EXCLUDED FROM THOSE SAFETY RECALLS.

NHTSA complaint #11322702 — an unverified report by a vehicle owner.

at 125,000 miles Shelton, CT

VEHICLE SPEED CONTROL

AS I WAS DRIVING ON A ROAD, ABOUT 25 MPH, WHILE MY FOOT WAS ON THE ACCELERATOR PEDAL THE CAR JUST DECREASED IT'S SPEED TO A STOP AS I CONTINUALLY PUSHED MY FOOT ON THE PEDAL.

NHTSA complaint #11266939 — an unverified report by a vehicle owner.

at 213,492 miles Visalia, CA

VEHICLE SPEED CONTROL

CAR WORKED FLAWLESSLY AND WE MAINTAINED IT REGULARLY. TOOK IT IN TO ADDRESS RECALL OF JOV UPDATE PWR MGMT ECU AT DEALER. DEALER COMPLETED RECALL WORK. 2 DAYS LATER ENGINE LITE CHECK HYBRID SYSTEM AND THE ! ON AND TRIANGLE ON. THE CAR CONTINUED RUN BUT NOW WAS STUDDERING WHEN WAS NOT BEFORE THE RECALL WORK. TOOK IT BACK TO THE DEALER AND HE SAID WE NEED A NEW HYBRID BATTERY. WE BELIEVE THE SOFTWARE UPDATE THEY DID CREATED A THIS ISSUE. DEALER ACTING IGNORANT AND SAYING IT NEEDS NEW BATTERY BECAUSE OF NUMBER OF MILES ON CAR. ASKED FOR DIAGNOSTIC PRINT OUT FROM WHEN THEY DID RECALL WORK TO THEY NEW DIAGNOSIS AND THEY WOULD NOT PROVIDE. WE BELIEVE THE RECALL UPDATE CREATED A TECHNICAL PROBLEM WITH OUR HYBRID BATTERY. WE ALSO BELIEVE THAT DEALER NOT BEING HONEST REGARDING ISSUES WITH THIS RECALL UPDATE AND IS USING IT AS AN OPPORTUNITY TO REDUCE LIABILITY FOR TOYOTA ON FAILED RECALL WORK AND TO USE IT AS AN OPPORTUNITY TO BRING IN LARGE TICKET SALES REPAIR IE THEY QUOTED US A NEW HYBRID BATTERY FOR 5,500.

NHTSA complaint #11221081 — an unverified report by a vehicle owner.

at 191,087 miles SAN Diego, CA

VEHICLE SPEED CONTROL

I HAVE BEEN EXPERIENCING THE SAFETY RISKS OUTLINED IN THE FOLLOWING MANUFACTURER RECALL NUMBER: J1V NHTSA RECALL NUMBER: 18V684 I HAVE BEEN DEALING WITH THIS ISSUE FOR THE PAST 2 - 3 YEARS AND UNKNOWINGLY MAY HAVE BEEN SPENDING HUNDREDS OF DOLLARS ON REPAIRS THAT MAY NOT HAVE NEEDED TO BE REPLACED. CURRENTLY, MY CAR IS NOT RUNNING AS I EXPERIENCED A STALL (11/09/2018) WHILE EXITING THE FREEWAY AT A HIGH SPEED WITH THE SCREEN READING "CHECK HYBRID SYSTEM" AND THE DASH LIT UP WITH THE YELLOW TRIANGLE AND EXCLAMATION POINT. I AM NOT ABLE TO ACCELERATE DURING THE STALL, BRAKES ARE WORKING. THIS HAS HAPPENED TO ME COUNTLESS TIMES, ALMOST ALWAYS ON THE FREEWAY OR EXITING AND WHILE TRAVELING AT A HIGH SPEED. SOMETIMES THE VEHICLE WOULD START BACK UP AFTER A FEW MINUTES OF BEING TURNED OFF. THIS PARTICULAR TIME (11/09/2018), I COASTED THE VEHICLE TO A SAFE SPOT AND THE VEHICLE ENGINE NEVER TURNED ON AGAIN. I TOWED THE VEHICLE TO MY RESIDENCE AND THEN TO MY MECHANIC. I AM ONLY ABLE TO PUT THE VEHICLE IN NEUTRAL. THE MOTOR WILL NOT COME ON AT ALL AND THE SCREEN READS "CHECK HYBRID SYSTEM". THE CAR HAD OVER 1/4 TANK OF GAS AT THE TIME. I CURRENTLY USE MY VEHICLE FOR MY LIVELIHOOD DOING INDEPENDENT DELIVERY SERVICES SUCH AS INSTACART, DOORDASH, POSTMATES ETC. SINCE THERE IS YET TO BE A REMEDY FOR THIS SITUATION I WANT TO KNOW WHAT MY OPTIONS ARE TO GET BACK THE MONEY I'VE SPENT OR COMPENSATION FOR THIS VEHICLE SINCE IT IS NOT USABLE AND UNABLE TO BE FIXED BY THE MANUFACTURER IN A TIMELY MANNER. I CAN PROVIDE DOCUMENTATION IN REGARDS TO REPAIRS MADE AS WELL AS VISITS TO TOYOTA IN WHICH THEY WERE UNAWARE OF THE ISSUE.

NHTSA complaint #11155334 — an unverified report by a vehicle owner.

at 102,000 miles Seminole, FL

VEHICLE SPEED CONTROL

ON TWO OCCASIONS, JUNE 22, 2018 AND AUGUST 15, 2018 THIS VEHICLE SUDDENLY ACCELERATED WHILE USING CRUISE CONTROL AND TRAVELING AT SPEED ON GENERALLY FLAT, STRAIGHT, 4 LANE ROAD IN GOOD WEATHER. I HAVE ATTACHED DOCUMENTS WITH SUMMARIES OF EACH EVENT AND MAPS SHOWING ROUTE AND TERRAIN DURING THE EVENTS. HARD BRAKING SLOWED BUT DID NOT STOP THE VEHICLE EITHER TIME. BOTH TIMES, AFTER TRAVELING SOME DISTANCE WHILE BRAKING BUT CONTINUING TO ACCELERATE WITHOUT MY FOOT ON THE ACCELERATOR, THE VEHICLE MADE A THUNKING NOISE FELT THROUGH THE FLOOR OF THE CAR AND SUDDENLY STOPPED ACCELERATING. IN THE FIRST INCIDENT THIS WAS AFTER ABOUT 2 MILES, THE SECOND TIME AFTER ABOUT A MILE. AFTER EACH INCIDENT I PHONED THE LOCAL DEALERSHIP AND WAS TOLD THAT IF THEY COULD REPLICATE THE EVENT THEY MIGHT BE ABLE TO FIGURE IT OUT. I REPORTED THE EVENTS TO CORPORATE TOYOTA AND AN INVESTIGATION WAS OPENED. THE VEHICLE WAS TAKEN TO FRED ANDERSON TOYOTA OF ASHEVILLE WHERE THEY SPENT SEVERAL DAYS WITH THE CAR, INTERACTING WITH TOYOTA, WHO WAS ASKING THEM TO EXPLORE AND TEST VARIOUS THINGS RELATED TO THE DUAL PEDAL FAIL SAFE, THE COMPUTER, SNAPSHOTS OF EVENTS ON THE COMPUTER ETC. THEIR FINAL JUDGEMENT WAS THAT FLOOR MATS MAY HAVE INTERFERED, THOUGH IT WAS THE FIRST THING I CHECKED WHEN I REGAINED CONTROL OF THE CAR.

NHTSA complaint #11124223 — an unverified report by a vehicle owner.

at 60,600 miles South Houston, TX

VEHICLE SPEED CONTROL

BRAKE ACTUATOR HAS FAILED. TRACTION CONTROL, ABS, BRAKE LIGHTS ILLUMINATED ON DASH. MORE EFFORT NEEDED TO ENGAGE BRAKES. THIS AFFECTS THE REGENERATIVE BRAKING AS IT NO LONGER CHARGES ON BRAKING AS IT WAS DESIGNED. CHECKED TOYOTA WEBSITE FOR RECALLS SINCE THIS IS SAFETY RELATED, AND THERE ARE NONE. WHICH IS QUITE DISTURBING. I'VE RESEARCHED PRIUS FORUMS AND THIS SEEMS TO BE AN ONGOING PROBLEM. TOYOTA ISSUED A RECALL FOR THE GENERATION 2 MODEL, HOWEVER THIS SEEMS TO BE A PROBLEM FOR GENERATION 3 MODELS AS WELL. THE PROBLEM DID OCCUR WHEN ON THE HIGHWAY TRAVELING AT 60 MPH.

NHTSA complaint #11097727 — an unverified report by a vehicle owner.

at 170,000 miles Palmdale, CA

VEHICLE SPEED CONTROL

I WAS DRIVING ON THE FREEWAY AT ABOUT 70 MPH WHEN THE "CHECK HYBRID SYSTEM" LIGHT CAME ON AND THE CAR LOST ALL POWER AND ABILITY TO ACCELERATE. IT COMPLETELY BEGAN TO DESCEND IN SPEED AND WITHIN 2 MINUTES CAME TO A COMPLETE SHUT DOWN. I COULD HAVE EASILY BEEN REAR ENDED HAD I NOT MOVED TO THE SIDE OF THE FREEWAY AS QUICKLY AS I DID.

NHTSA complaint #11003313 — an unverified report by a vehicle owner.

Accokeek, MD

VEHICLE SPEED CONTROL

I CHANGE THE BRAKE BOOSTER TWICE AND HACE THE SAME PROBLEM. MY BRAKE PEDAL LOSS OF BRAKING ABILITY OR SLIPPING BRAKES AND THE WARNING BRAKE, ABS AND TRACTION LIGHT PERMANENTLY ON, AND NO CRUISE CONTROL WORKS AT ALL

NHTSA complaint #10993977 — an unverified report by a vehicle owner.

at 53,000 miles Seattle, WA Crash

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNED A 2010 TOYOTA PRIUS. WHILE PARKING THE VEHICLE, IT UNEXPECTEDLY ACCELERATED AND STRUCK ANOTHER VEHICLE BEFORE CRASHING INTO AN APARTMENT UNIT. A POLICE REPORT WAS NOT FILED AND THERE WERE NO INJURIES. THE AIR BAGS DID NOT DEPLOY. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC, BUT THE CAUSE OF THE FAILURE COULD NOT BE DETERMINED. THE MANUFACTURER WAS CALLED AND PROVIDED THE CONTACT WITH AN INVESTIGATOR WHO REMOVED A BOX FROM THE VEHICLE, WHICH WOULD DETERMINE IF THE FAILURE WAS DUE TO DRIVER ERROR OR A SAFETY DEFECT. THE MANUFACTURER DETERMINED THAT IT WAS DRIVER ERROR. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 53,000.

NHTSA complaint #10991685 — an unverified report by a vehicle owner.

at 60,000 miles Minneapolis, MN

VEHICLE SPEED CONTROL

IN THE PAST YEAR I HAVE HAD 2 OCCURRENCES OF UNINTENDED ACCELERATION. THE FIRST IN FEBRUARY OF 2016. I WAS EXITING A PARKING RAMP UP HILL AND STEPPING ON THE ACCELERATOR. I WAS DRIVING STRAIGHT THEN TURNING TO THE LEFT (90 DEGREE TURN). WHEN I TOOK MY FOOT OFF THE ACCELERATOR, THE CAR CONTINUED TO ACCELERATE AND I WAS UNABLE TO GET IT SLOWED/STOPPED FOR ABOUT A BLOCK EVEN THOUGH I WAS APPLYING HEAVY BRAKE PRESSURE. THE CAR WAS REVVING AGAINST THE BRAKE PRESSURE. NO DAMAGE OR INJURIES OCCURRED. I TOOK THE CAR TO THE DEALERSHIP WHERE I PURCHASED IT (PURCHASE DATE 8/3/13). THEY CHECKED THE CAR OVER AND FOUND NO APPARENT CAUSE FOR THE ACCELERATION. I TOOK THE CAR HOME, AND IT DROVE NORMALLY UNTIL 11/26/16. ON THAT DATE I WAS DRIVING VERY SLOWLY IN A FLAT PARKING LOT, AND THE CAR BEGAN ACCELERATING WITHOUT MY PUSHING THE GAS PEDAL. I WAS DRIVING STRAIGHT AND THEN TURNING TO THE RIGHT (90 DEGREE. I GOT THE CAR STOPPED IN A FEW FEET BY PRESSING EXTREMELY HARD ON THE BRAKE. MY CAR DID NOT HIT ANYTHING. TECHNICIANS FROM THE DEALERSHIP HAVE NOT BEEN ABLE TO FIND A CAUSE AND I HAVE NOT BEEN ABLE TO GET PAST TOYOTA'S CUSTOMER SERVICE DEPARTMENT TO ESCALATE THE ISSUE FOR MORE DETAILED DIAGNOSTICS. I HAVE ATTACHED THE TIMELINE OF TRYING TO GET THE CAR DIAGNOSED AND THE ISSUE ESCALATED AS WELL AS WHY I DON'T THINK USER ERROR IS A FACTOR.

NHTSA complaint #10935037 — an unverified report by a vehicle owner.

at 127,000 miles Champaign, IL Crash

VEHICLE SPEED CONTROL

I WAS IN A PARKING STRUCTURE GOING APPROXIMATELY 15 MPH WHEN I REMOVED MY FOOT FROM THE ACCELERATOR TO PRESS THE BRAKE. BEFORE I COULD GET MY FOOT TO THE BRAKE, THE CAR QUICKLY ACCELERATED. IT TOOK AT LEAST TWO ATTEMPTS AT PUSHING THE BRAKE PEDDLE BEFORE THE CAR CAME TO A STOP. AND, TO BE HONEST, THE GUARDRAIL THE CAR HIT HELPED ACTUALLY STOP THE VEHICLE. IT WAS TOTALLY UNEXPECTED AND EXTREMELY SCARY. IN HINDSIGHT, I SHOULD HAVE SUSPECTED THAT THERE MAY BE A PROBLEM WHEN I NOTICED THAT SOMETIMES WHEN APPLYING THE BRAKES TO COME TO A STOP THERE WOULD BE A FEELING OF THE BRAKES SLIPPING AND THE CAR LURCHING FORWARD A BIT. THE DEALERSHIP HAD THE CAR TOWED IN TO GET CHECKED OUT, AND I HAVE BEEN TOLD THAT THEY WILL NOTIFY TOYOTA. IN THE MEANTIME I AM CONCERNED ABOUT THE SAFETY OF THIS CAR!

NHTSA complaint #10885303 — an unverified report by a vehicle owner.

at 85,000 miles Henderson, NV Crash 2 injured

VEHICLE SPEED CONTROL

ON 05/25/2016 AT ABOUT 9AM, WHILE IN MOTION AT A RATE OF SPEED APPROX 25 MPH ON A STREET DURING CONSTRUCTION (DON'T KNOW IF THE BUMPY ROAD HAD ANYTHING TO DO WITH IT), THE CHANGE OIL SOON LIGHT APPEARED AND SECONDS LATER ALL THE LIGHTS ON THE DASH CAME ON WITH THE MESSAGE TO CHECK THE "CHECK HYBRID SYSTEM" . I TRIED TO STOP THE VEHICLE AND IT KEPT ACCELERATING. I PRESSED ON THE BREAKS REALLY HARD AND THE TRACTION CONTROL LIGHT KEPT FLASHING ON AND OFF LIKE CRAZY BUT IT BARELY HAD ANY IMPACT. ALTHOUGH THE VEHICLE SLOWED, IT DID NOT COME TO A FULL STOP. I ENDED UP HITTING THE VEHICLE IN FRONT OF ME. THANK GOD IT WAS A TRUCK AND AS ABLE TO STOP THE CAR FROM MOVING FURTHER OR I COULD OF ENDED UP IN THE MIDDLE OF AN INTERSECTION. AFTER THE COLLISION, THE CAR WOULD NOT STOP ALTHOUGH THE PARK BUTTON WAS PRESSED AND LIGHT WAS ON. I EVEN TRIED TURNING OFF THE VEHICLE AND THE VEHICLE STAYED ON AND IN DRIVE. I ENDED UP IN THE HOSPITAL AND DON'T KNOW HOW IT EVENTUALLY GOT TURNED OFF BUT THAT WAS VERY FRIGHTENING. I HAD MY CHILDREN IN THE CAR. ON IMPACT, THE SEAT BELTS DID NOT EVEN TIGHTEN.

NHTSA complaint #10870866 — an unverified report by a vehicle owner.

at 187,000 miles Ranson, WV

VEHICLE SPEED CONTROL

BRAKE BOOSTER PUMP ASSEMBLY VEHICLE IN MOTION WHEN ON HIGHWAY WHEN LOSS OF BREAKING AND STEERING TOOK PLACE. VEHICLE LIGHTED ICONS APPEARED ON DASH ALONG WITH ALARM SOUND. (ABS) (!) (BRAKE) (SS). THIS UNSAFE CONDITION COULD HAVE BEEN AVOIDED IF NHTSA WOULD HAVE FORCED TOYOTA TO RECALL THIS DEFECTIVE PART IN 2013 WHEN TOYOTA NOTIFIED NHTSA OF THE DEFECTIVE BRAKING SYSTEM. OR TOYOTA MAILED NOTICE TO CUSTOMERS AS STATED BACK IN 2013, WHICH PREVENTION COULD PREVENT LOSS OF LIFE OR HARM. OR CLASS ACTION. HTTP://WWW-ODI.NHTSA.DOT.GOV/ACMS/CS/JAXRS/DOWNLOAD/DOC/UCM442011/RCMN-13V235-0909.PDF

NHTSA complaint #10837510 — an unverified report by a vehicle owner.

at 95,000 miles Stillwater, MN

VEHICLE SPEED CONTROL

MY PRIUS SUDDENLY ACCELERATED TODAY. MY WIFE WAS NOT IN AN ACCIDENT. MY VIN IS [XXX]. I SPOKE WITH MY WIFE AND THE INCIDENT OCCURRED UP A HILL WHEN SHE WAS PARKING (DECELERATING), SHE DIDN'T NOTICE THAT THE FLOOR MAT WAS NOT STUCK AT THE TIME AND THERE WAS NO WARNING OF A PROBLEM. ALSO, THIS HAS NOT HAPPENED BEFORE. VEHICLE WAS GOING UP A HILL ON A CITY STREET, NO ICE, GOING STRAIT, NO DAMAGE TO THE CAR, UNKNOWN TO WHAT FAILED. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).?

NHTSA complaint #10837378 — an unverified report by a vehicle owner.

at 15,000 miles Olney, MD

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. THE CONTACT STATED THAT WHILE DRIVING AT 20 MPH, THE CONTACT DROVE OVER A POTHOLE AND THE VEHICLE VEERED TO THE RIGHT. IN ADDITION, THE VEHICLE ACCELERATED IN EXCESS. THE FAILURE RECURRED ON NUMEROUS OCCASIONS. THE VEHICLE WAS TAKEN TO A DEALER, WHO WAS UNABLE TO DIAGNOSE OR REPAIR THE VEHICLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE CONTACT WAS AWARE OF NHTSA CAMPAIGN NUMBER: 10V039000 (SERVICE BRAKES, AIR). THE FAILURE MILEAGE WAS 15,000.

NHTSA complaint #10725959 — an unverified report by a vehicle owner.

at 53,000 miles Terre Haute, IN

VEHICLE SPEED CONTROL

TL* THE CONTACT OWNS A 2010 TOYOTA PRIUS. WHILE DRIVING AT APPROXIMATELY 20 MPH AND SLOWING DOWN AT A STOP LIGHT, THE VEHICLE ACCELERATED WITHOUT WARNING. THE CONTACT STATED THAT THE BRAKE PEDAL WAS DEPRESSED TO THE FLOORBOARD WHILE THE RPMS INCREASED AND THE VEHICLE FAILED TO STOP. THE VEHICLE EVENTUALLY CAME TO A STOP. THE VEHICLE WAS TAKEN TO THE DEALER BUT THE FAILURE WAS UNABLE TO BE DETERMINED. THE VEHICLE WAS NOT REPAIRED. THE CONTACT MENTIONED THAT THE FAILURE WAS EXPERIENCED IN MAY OF 2010 AND THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 53,000.

NHTSA complaint #10712471 — an unverified report by a vehicle owner.

at 180,000 miles Campbell, CA

VEHICLE SPEED CONTROL

THE HEADLIGHT HID START TO GO ON AND OFF FINALLY THE LEFT SIDE WENT OFF . ALSO WHILE DRIVING THE CAR DESACELERATED AND INCREASED SPEED BY ITSELF.

NHTSA complaint #10694918 — an unverified report by a vehicle owner.

at 55 miles Sammamish, WA

VEHICLE SPEED CONTROL

TODAY FEB 12, 2015 AT APPROXIMATELY 11:40 AM A WHITE SPORTS CAR LICENSE PLATE [XXX] WAS DANGEROUSLY WEAVING IN AND OUT OF CARS AND COULD HAVE CAUSED A CRASH. LOCATION WAS ON REDMOND WAY 202 GOING TOWARDS THE 520 HIGHWAY GOING TOWARDS SEATTLE. THIS PERSON IS A RECKLESS DRIVER, PLEASE KEEP AN EYE OUT FOR THIS CAR. THANK YOU. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

NHTSA complaint #10683119 — an unverified report by a vehicle owner.

Other 2010 Toyota Prius problems

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