Home · 2012 Lexus IS 250 · Complaints

What 36 owners told NHTSA about the 2012 Lexus IS 250

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (36)Crash / fire / injury (7)Airbags (21)Body & structure (5)Brakes (5)Electrical system (5)Speed control (5)Engine (3)Fuel system (2)Visibility & wipers (2)Electronic Stability Control (esc) (1)Lights (1)

5 of 36 complaints match · Speed control · clear filters

Aug 8, 2022Electrical systemSpeed controlBrakes

The contact owns a 2012 Lexus IS250. The contact stated that while driving at various speeds, the brake inadvertently activated without the brake pedal being depressed. The vehicle also experienced unintended acceleration without the accelerator pedal being depressed. The cause of the failure was not determined. The contact indicated that the failure occurred after the cell phone was hacked and was concern the vehicle security was also compromised and hacked. The manufacturer was notified of the failure. The local dealer was not yet contacted. The failure mileage was 137,000.

NHTSA ODI 11478126

Aug 28, 2015Seat beltsBody & structureSpeed controlCrash

I WANT TO REPORT THAT I EXPERIENCED UN-INTENDED ACCELERATION ON MY LEXUS IS 250C, 2012 MODEL PURCHASED IN DECEMBER 2011 AS A RESULT OF WHICH MY VEHICLE CRASHED AND WENT TURTLE.

NHTSA ODI 10760099

Jul 20, 2015Speed controlCrash

WHEN EXITING A DRIVE THROUGH CAR WASH (VEHICLE IN N) TOLD TO DRIVE OUT. I PUT IT IN DRIVE, BEGIN TO DEPRESS GAS PEDAL, IT JAMS DOWN , I PEEL OUT TOWARDS A CONCRETE JERSEY WALL, HIT IT WITH THE FRONT PASSENGER SIDE CORNER FRONT, BUMPER AND FRONT WHEEL...THEN THE BACK WHEEL, STILL ACCELERATING...DO 1/2 DONUT, END UP FACING BACK IN DIRECTION I JUST TRAVELED FROM..ONLY STOPPED WHEN I HIT THE ON/OFF BUTTON. I'VE DRIVEN FOR 35+ YEARS 9 OF WHICH I HAD A CDL AND DROVE PROFESSIONALLY FOR FEDEX AND NEVER HAD AN ACCIDENT..I'VE DRIVEN VARIETY OF CARS AND TRUCKS..NEVER HAD A PROBLEM WITH CONFUSING GAS PEDAL AND BRAKE PEDAL....LOOKING AT 4500+ REPAIR BILL 9 DAYS OF RENTAL.. AND NOW SCARED TO DRIVE IT... FLOOR MATS WERE SECURED, NO ADDITIONAL MATS ON TOP OF SECURED ONE, FLAT BOTTOM SHOES, NO TALKING/TEXTING ON THE PHONE AT TIME OF ACCIDENT.

NHTSA ODI 10735107

Jul 14, 2015AirbagsSpeed controlBrakesCrash

MY LEXUS 2012 IS 250 ACCELERATED ON ITS OWN, BRAKES DID NOT ENGAGE AFTER DEPRESSING THEM X2, AND THEN I CRASHED INTO A TRUCK. AIR BAG DID NOT DEPLOY. REPORTED TO LEXUS WHO ASSUMED NO RESPONSIBILITY FOR INCIDENT. THIRD PARTY INSPECTED CAR AND DOWNLOADED BLACK BOX. REPORT FROM LEXUS STATED THAT CAR WAS DRIVE ABLE AND NO ISSUES WERE FOUND. CAR INCURRED $18,000 IN DAMAGES AND WAS NOT DRIVABLE AT THE TIME OF INSPECTION. WITNESSES AT COLLISION SHOP WILL VALIDATE SUCH. WHEN SPEAKING TO REPRESENTATIVES AT LEXUS TO REPORT INCIDENT I WAS TOLD BY 2 REPS ON 2 OCCASIONS THAT THIS HAS HAPPENED TO OTHER VEHICLES THAT WERE THE SAME MAKE AND MODEL. DISTURBING

NHTSA ODI 10734027

Feb 4, 2015Transmission & drivetrainSpeed controlBrakes

TL* THE CONTACT OWNS A 2012 LEXUS IS 250. THE CONTACT STATED WHEN ATTEMPTING TO SHIFT INTO REVERSE AND ENGAGE THE BRAKES, THE VEHICLE FAILED TO STOP AND THE CONTACT HAD TO SHIFT INTO PARK. THE FAILURE OCCURRED MORE THAN ONCE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 17,000. THE CONSUMER STATED WHEN SHE STEPPED ON THE BRAKE TO START THE VEHICLE AND PUT THE GEAR IN REVERSE, THE VEHICLE LURCHED BACKWARDS AS SHE LIFTED HER FOOT OFF THE BRAKE. SHE WAS UNABLE TO STOP THE VEHICLE WITH THE BRAKE. SHE THREW THE VEHICLE INTO PARK AND TURNED IT OFF. THE VEHICLE WAS TOWED TO THE DEALER, WHERE THEY KEPT IT OVERNIGHT AND RAN PERFORMANCE CHECKS. THEY DID NOT FIND ANYTHING WRONG AND SAID IT COULD HAVE BEEN THE WEATHER MAT THAT WAS ON TOP OF THE LEXUS CARPET MAT. THE CONSUMER PAID FOR THE REPAIRS, BUT DID NOT STATE WHAT THEY WERE. THE CONSUMER STATED IT WAS THE SECOND TIME, SHE EXPERIENCED SUDDEN ACCELERATION. UPDATED 09/17/15*JB

NHTSA ODI 10681130

Working with the data? Download all 36 complaints as CSV · fetched from NHTSA July 26, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2012 Lexus IS 250 verdict →