Home · 2011 Lexus RX 350h · Complaints

What 54 owners told NHTSA about the 2011 Lexus RX 350h

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 (54)Crash / fire / injury (23)Engine (16)Brakes (13)Airbags (10)Speed control (8)Body & structure (7)Transmission & drivetrain (7)Electrical system (4)Engine & cooling (3)Fuel system (2)Equipment Adaptive/mobility (1)

Newest first · 54 complaints · page 3 of 3

Mar 20, 2012Engine & coolingTransmission & drivetrainSpeed control

I EXPERIENCED A SUDDEN UNINTENDED ACCELERATION (SUA) IN THE PARKING LOT OF MY APARTMENT ON MARCH 3RD, 2012. IT WAS A SUNNY DAY, AND THE ROAD CONDITION WAS GOOD. MY WIFE WAS DRIVING LEXUS RX 350 2011 MODEL (MILEAGE: 2124MILES). MY DAUGHTER AND I WERE SITTING ON THE BACK SEATS. SHE WAS SLOWING DOWN THE VEHICLE FOR PARKING AND ABOUT TO FINALIZE THE PARKING BY GOING FORWARD BY ABOUT 3 FEET. AT THAT TIME, THE VEHICLE ABRUPTLY ACCELERATED WITH THE SOUND OF REVVING UP THE ENGINE. THE CAR RAN OVER A PARKING BLOCK AND WENT ON CURB STONES. BY HELP OF THE BRAKE OVERRIDE SYSTEM EQUIPPED AFTER THE RECENT TOYOTA'S RECALLS, SHE COULD STOP THE VEHICLE QUICKLY BECAUSE HER FOOT WAS ALREADY ON THE BRAKE PEDAL. WE ALL WERE SURPRISED AT THIS RARE SITUATION, BUT FORTUNATELY THERE WERE NO ACCIDENTS OR INJURIES. WE REPORTED THIS EXPERIENCE TO A CLOSE LEXUS DEALERSHIP. TWO LEXUS ENGINEERS INSPECTED THE VEHICLE, INCLUDING 10-MILE TEST DRIVING. HOWEVER, THEY COULD NOT FIND ANY MECHANICAL PROBLEMS. THEY COULD NOT RE-ENACT THE SAME SITUATION, NEITHER. AT THIS INSPECTION, THEY DID NOT CHECK OUT THE EVENT DATA RECORDER, AS WELL AS ANY ELECTRONIC SYSTEMS LIKE ETCS. ACCORDING TO THE INSPECTION RESULT, LEXUS DIRECTED ME TO KEEP DRIVING THIS VEHICLE WITH MY OWN RISK. THIS IS NOT RELATED TO THE FLOOR MAT INTERFERENCE PROBLEM THAT LED TO THE MASSIVE RECALL IN 2009. SO, I THINK THE CURRENT LEXUS USERS, AS WELL AS POTENTIAL CONSUMERS, SHOULD BE AWARE OF THE POSSIBILITY THAT THEY CAN EXPERIENCE THE SIMILAR UNINTENDED ACCELERATION WHILE DRIVING OR PARKING. *KB

NHTSA ODI 10452366

Oct 28, 2011BrakesSpeed controlCrash

2011 LEXUS RX350. CONSUMER STATES AFTER TURNING A HALF CIRCLE, THE VEHICLE SUDDENLY SKIDDED AND HIT THE LEFT CURB AND THE LEFT FRONT TIRE RUPTURED AND VEHICLE KEPT MOVING TOWARD THE DRIVER'S SIDE DESPITE CONSUMER TRYING TO STOP THE VEHICLE *TGW THE CONSUMER STATED HE CRASHED INTO A NEARBY CONCRETE FENCE HEAD-ON. THE VEHICLE WAS DEEMED TOTALED. THE CONSUMER BELIEVED THE BRAKES MAY HAVE FAILED. *JB

NHTSA ODI 10433369

Apr 2, 2011Engine & cooling

I HAVE A 2011 LEXUS GX 460. IT LACKS POWER WHEN IT IS COLD AND THERE IS EXHAUST FUMES THAT ARE COMING INTO THE VEHICLE AFTER I MERGE ON T THE HIGHWAY IT IS ALMOST A INSTANT HEADACHE THE SMELL IS SO STRONG ITS SMELLS LIKE SULFUR THERE IS NO CHECK ENGINE LIGHT AND GAS MILEAGE NOT NORMAL . I HAVE USED HIGH OCTANE FUEL AND EVEN INSTALLED BG44K FUEL CONDITIONER .THIS IS A PROBLEM .THANKS FOR LISTEN TO ME . *TR

NHTSA ODI 10394031

Jan 13, 2011Traction Control System

TL*THE CONTACT OWNS A 2011 LEXUS RX350. WHILE ON A FLAT SURFACE, THE CONTACT HEARD A BEEPING NOISE AND NOTICED THAT THE ANTI SLIP INDICATOR SYMBOL ILLUMINATED ON THE DASHBOARD. THE DEALER NOR MANUFACTURER WERE NOTIFIED. THE FAILURE WAS NOT DIAGNOSED. THE VEHICLE WAS NOT REPAIRED. THE CURRENT MILEAGE WAS APPROXIMATELY 965. THE FAILURE MILEAGE WAS APPROXIMATELY 10. THE VIN WAS UNAVAILABLE.

NHTSA ODI 10376593

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Working with the data? Download all 54 complaints as CSV · fetched from NHTSA July 21, 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 2011 Lexus RX 350h verdict →