NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
13 reports185,000 miles · Feb 7, 2023
Engine And Engine Cooling
The contact owns a 2010 Lexus RX450H. The contact stated that while driving at an undisclosed speed, the engine cooler line fractured and the vehicle lost oil very quickly. No warning lights were illuminated. The vehicle was towed to the dealer to be diagnosed. The contact was informed that the engine cooler line needed to be re…
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The contact owns a 2010 Lexus RX450H. The contact stated that while driving at an undisclosed speed, the engine cooler line fractured and the vehicle lost oil very quickly. No warning lights were illuminated. The vehicle was towed to the dealer to be diagnosed. The contact was informed that the engine cooler line needed to be replaced. The manufacturer was made aware of the failure, but the vehicle was out of the warranty. The failure mileage was 185,000.
NHTSA ODI #11506023
Mileage unknown · May 14, 2019
Electrical System
OUTER MIRROR, DRIVER'S SIDE, TURNS DOWN WHEN PLACED IN REVERSE AND WILL STAY IN THE DOWN POSITION. OCCASIONALLY IT WILL TURN DOWN ON ITS OWN WHEN CHANGING FROM PARK. WHEN GOING TO DRIVE, THERE IS NO WAY TO SEE ONCOMING TRAFFIC ON THE LEFT WITHOUT TURNING HEAD AND LOOKING: SOMETHING A DRIVER ISN'T EXPECTING. THIS ALWAYS OCCURS GO…
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OUTER MIRROR, DRIVER'S SIDE, TURNS DOWN WHEN PLACED IN REVERSE AND WILL STAY IN THE DOWN POSITION. OCCASIONALLY IT WILL TURN DOWN ON ITS OWN WHEN CHANGING FROM PARK. WHEN GOING TO DRIVE, THERE IS NO WAY TO SEE ONCOMING TRAFFIC ON THE LEFT WITHOUT TURNING HEAD AND LOOKING: SOMETHING A DRIVER ISN'T EXPECTING. THIS ALWAYS OCCURS GOING FROM STATIONARY TO MOTION. OCCURANCE IN RANDOM.
NHTSA ODI #11207613
101,000 miles · Mar 15, 2019
Steering
THE STEERING LOCK ACTUATOR FAILED IN THE LOCKED POSITION WHILE THE VEHICLE WAS STATIONARY. ALTHOUGH IN THIS INSTANCE THERE WAS NO SAFETY HAZARD, IT SEEMS POSSIBLE THAT THIS FAILURE COULD HAVE OCCURRED WHILE THE VEHICLE WAS IN MOTION, WHICH WOULD HAVE CAUSED THE STEERING TO LOCK AND CONSEQUENT LOSS OF CONTROL OF THE VEHICLE. I IN…
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THE STEERING LOCK ACTUATOR FAILED IN THE LOCKED POSITION WHILE THE VEHICLE WAS STATIONARY. ALTHOUGH IN THIS INSTANCE THERE WAS NO SAFETY HAZARD, IT SEEMS POSSIBLE THAT THIS FAILURE COULD HAVE OCCURRED WHILE THE VEHICLE WAS IN MOTION, WHICH WOULD HAVE CAUSED THE STEERING TO LOCK AND CONSEQUENT LOSS OF CONTROL OF THE VEHICLE. I INFORMED LEXUS US ABOUT THIS FAILURE.
NHTSA ODI #11187088
168,022 miles · Mar 14, 2018
Engine
TL *THE CONTACT OWNS A 2010 LEXUS RX450H. WHILE DRIVING 55 MPH, THE OIL FROM THE ENGINE DEPLETED AND THE ENGINE SEIZED WITHOUT WARNING. THE VEHICLE WAS TOWED TO SEWELL LEXUS IN FORT WORTH, TEXAS WHERE IT WAS DIAGNOSED THAT THE OIL COIL HOSE RUPTURED, WHICH DEPLETED ALL OF THE OIL, AND THE ENGINE SEIZED AND FRACTURED. HENDRICK LE…
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TL *THE CONTACT OWNS A 2010 LEXUS RX450H. WHILE DRIVING 55 MPH, THE OIL FROM THE ENGINE DEPLETED AND THE ENGINE SEIZED WITHOUT WARNING. THE VEHICLE WAS TOWED TO SEWELL LEXUS IN FORT WORTH, TEXAS WHERE IT WAS DIAGNOSED THAT THE OIL COIL HOSE RUPTURED, WHICH DEPLETED ALL OF THE OIL, AND THE ENGINE SEIZED AND FRACTURED. HENDRICK LEXUS KANSAS CITY IN MERRIAM, KANSAS AND THE MANUFACTURER WERE MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 168,022. *TT
NHTSA ODI #11079092
151,000 miles · Dec 22, 2017
Engine
I HAVE BEEN A LOYAL LEXUS OWNER FOR SEVERAL YEARS AND HAVE METICULOUSLY MAINTAINED MY VEHICLE AT ONLY LEXUS DEALERSHIPS. WHILE OPERATING THE VEHICLE 10 DAYS AGO, THE OIL COOLER HOSE BURST, WHICH COULD HAVE RESULTED IN A MAJOR SAFETY ISSUE (ENGINE FAILURE/SEIZURE WHILE DRIVING) WITH CATASTROPHIC ENGINE FAILURE. LEXUS HAS KNOWN AB…
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I HAVE BEEN A LOYAL LEXUS OWNER FOR SEVERAL YEARS AND HAVE METICULOUSLY MAINTAINED MY VEHICLE AT ONLY LEXUS DEALERSHIPS. WHILE OPERATING THE VEHICLE 10 DAYS AGO, THE OIL COOLER HOSE BURST, WHICH COULD HAVE RESULTED IN A MAJOR SAFETY ISSUE (ENGINE FAILURE/SEIZURE WHILE DRIVING) WITH CATASTROPHIC ENGINE FAILURE. LEXUS HAS KNOWN ABOUT THIS ISSUE AND HAS COVERED IT FOR MANY OTHER VEHICLES WITH 150K MILES OR LESS, HENCE THE "ENHANCED WARRANTY" ABOUT WHICH I HAD NO KNOWLEDGE. I HAVE 151K MILES AND THEY REFUSE TO COVER IT OR OFFER ANY KIND OF COMPENSATION FOR THE EXPENSE OF REPLACING THE HOSE. THEY DO NOT DEEM IT A SAFETY ISSUE, WHICH IS ABSURD FOR THE REASON STATED ABOVE. APPARENTLY THERE WAS A WARRANTY "ENHANCEMENT" OFFERED A COUPLE OF YEARS AGO, ABOUT WHICH I WAS NEVER MADE AWARE, BY LEXUS OR BY ANY OF THE TECHNICIANS WHO HAVE SERVICED MY CAR OVER THE YEARS. IF LEXUS OFFERED THIS WARRANTY, THEY CLEARLY KNEW THIS WAS A POTENTIAL ISSUE WITH THIS VEHICLE. NOW THAT THE ISSUE HAS HAPPENED TO MY CAR, THEY WON'T COVER IT, AS I'M "OUT OF WARRANTY" WITH A WARRANTY I NEVER KNEW WAS OFFERED TO ME IN THE FIRST PLACE. I WILL NEVER OWN ANOTHER LEXUS - THEY HAVE LOST MY BUSINESS AND MY TRUST,
NHTSA ODI #11056136
50,000 miles · Aug 10, 2017
Air BagsCrashInjury
WE WERE IN A MAJOR ACCIDENT IN MAY OF 2015 AND AIR BAGS EXPLODED AND SHOT FRAGMENTS OUT AT US AND WE HAD TO BE BROUGHT TO ER BY AMBULANCE. AND I HAD TO HAVE SURGERY.
NHTSA ODI #11014271
61,700 miles · Jun 10, 2016
Fuel/propulsion System
THE HYBRID COMPUTER SYSTEM SHORTED DUE TO A LEAK WHERE THE ROOF RACK CONNECTS TO THE ROOF. THIS COMPUTER IS BELOW THE REAR SEAT AND IS NEXT TO THE HYBRID BATTERIES. THIS COMPARTMENT SHOULD BE SEALED TO PREVENT WATER INTRUSION, AND IN NO SITUATION SHOULD WATER FROM THE ROOF BE ABLE TO REACH THIS COMPARTMENT. WATER ENTERING THI…
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THE HYBRID COMPUTER SYSTEM SHORTED DUE TO A LEAK WHERE THE ROOF RACK CONNECTS TO THE ROOF. THIS COMPUTER IS BELOW THE REAR SEAT AND IS NEXT TO THE HYBRID BATTERIES. THIS COMPARTMENT SHOULD BE SEALED TO PREVENT WATER INTRUSION, AND IN NO SITUATION SHOULD WATER FROM THE ROOF BE ABLE TO REACH THIS COMPARTMENT. WATER ENTERING THIS AREA IS EXTREMELY DANGEROUS AND COULD CAUSE A FIRE OR THE CAR TO CEASE FUNCTIONING CORRECTLY WHILE IT IS IN MOTION.
NHTSA ODI #10873581
Mileage unknown · Nov 12, 2015
EngineHybrid Propulsion System
CPSC: LEXUS HYBRID: CONSUMER STATED WHILE DRIVING AT HIGHWAY SPEED, THE ENGINE SHUT DOWN AND THE A WARNING MESSAGE OF HYBRID ENGINE BRAKE AND AWD FAILURE ILLUMINATED ON THE DASHBOARD. THE ACCELERATOR STOPPED FUNCTIONING AND THE CONSUMER HAD TO PULL OVER TO THE SHOULDER. THE GARAGE REPORTED THE FUEL PUMP AND THE FUEL SOLENOID HA…
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CPSC: LEXUS HYBRID: CONSUMER STATED WHILE DRIVING AT HIGHWAY SPEED, THE ENGINE SHUT DOWN AND THE A WARNING MESSAGE OF HYBRID ENGINE BRAKE AND AWD FAILURE ILLUMINATED ON THE DASHBOARD. THE ACCELERATOR STOPPED FUNCTIONING AND THE CONSUMER HAD TO PULL OVER TO THE SHOULDER. THE GARAGE REPORTED THE FUEL PUMP AND THE FUEL SOLENOID HAD FAILED. BOTH NEEDED TO BE REPLACED ALONG WITH THE VAPOR RECOVERY SYSTEM. *JB
NHTSA ODI #10806989
39,000 miles · Oct 22, 2014
Electrical System
RADIO WILL CHANGE AUTOMATICALLY BY ITSELF FROM RADIO TO OTHER SOURCE CD, CHANGE TO SAT AND EJECT A CD WITHOUT TOUCHING ANYTHING. LEXUS COULDN'T FIND ANYTHING WRONG WHEN TAKEN IN. THEY UPDATED THE FIRMWARE, BUT IT STILL CONTINUES TO CHANGE FROM RADIO TO SAT AND EJECTS CD'S. I ASKED IF THERE WAS A RECALL OR OTHER KNOW COMPLAI…
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RADIO WILL CHANGE AUTOMATICALLY BY ITSELF FROM RADIO TO OTHER SOURCE CD, CHANGE TO SAT AND EJECT A CD WITHOUT TOUCHING ANYTHING. LEXUS COULDN'T FIND ANYTHING WRONG WHEN TAKEN IN. THEY UPDATED THE FIRMWARE, BUT IT STILL CONTINUES TO CHANGE FROM RADIO TO SAT AND EJECTS CD'S. I ASKED IF THERE WAS A RECALL OR OTHER KNOW COMPLAINTS ABOUT THIS. I WAS TOLD NO BY LEXUS. I SEARCHED ONLINE AND I FIND THIS HAPPENS TO OTHER CUSTOMERS SO I WANTED TO DOCUMENT THIS DEFECT. *TR
NHTSA ODI #10649291
45,000 miles · Aug 12, 2014
Air BagsService BrakesCrashInjury
LEXUS RX450 WAS TRAVELING DOWN A ONE-WAY ROAD AND APPROACHED A STOP SIGN GOING 35 MPH. AFTER RUNNING THROUGH THE STOP SIGN DURING LATE HOURS OF THE NIGHT, THE LEXUS DROVE DIRECTLY INTO A DARK PRIVATE PARKING LOT, CONTINUING AT THE 35 MPH, BOUNCING THROUGH A DEEP POTHOLE AT THE PARKING LOT ENTRANCE (BREAKS WERE PUSHED BUT NOT EN…
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LEXUS RX450 WAS TRAVELING DOWN A ONE-WAY ROAD AND APPROACHED A STOP SIGN GOING 35 MPH. AFTER RUNNING THROUGH THE STOP SIGN DURING LATE HOURS OF THE NIGHT, THE LEXUS DROVE DIRECTLY INTO A DARK PRIVATE PARKING LOT, CONTINUING AT THE 35 MPH, BOUNCING THROUGH A DEEP POTHOLE AT THE PARKING LOT ENTRANCE (BREAKS WERE PUSHED BUT NOT ENGAGED) WHICH LED TO THE COLLISION WITH A PERPENDICULAR, PROPERLY PARKED LIMO. NO BRAKE IMPRESSIONS ON THE GROUND ALTHOUGH BRAKES WERE PUSHED. AIR BAGS DID DEPLOY. PASSENGER WAS KNOCKED OUT, SUSTAINED A CONCUSSION AND HAD TO BE PULLED OUT OF VEHICLE. CAR WAS RETITLED AS SALVAGE, AS WELL AS THE LIMO THAT WAS HIT. *TR
NHTSA ODI #10621593
NHTSA investigations
1DP22005 · Pedestrian Alert Sounds
Opened Jan 27, 2023 · Closed Aug 7, 2023
Status: closed (inferred from source dates) · Electrical System:propulsion System
NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that have a gross vehicle weight rating of 4,536 KG or less or are defined as low-speed vehicles. The standard became fully applicable to all such vehicles manufactured on or after March 1, 2021.On January 27, 2023, NHTSA opened Defect Petition (DP) 22-005 to evaluate the subject matter described in the petition. On June 24, 2023 and as supplemented on June 25, 2023, the petitioner notified NHTSA he was withdrawing his petition. The petitioner indicated that, based on his review of data, there is no justification for asserting potential benefits that could be derived from actions sought by my petition. Based on the petitioner's withdrawal, DP22-005 is closed. Closure of this DP does not represent a determination by NHTSA regarding the subject matter of the petition.