1999 LEXUS RX 300. CONSUMER WRITES IN REGARDS TO BRAKE FAILURE AND ACCELERATION ISSUES WHILE DRIVING VEHICLE AT 60MPH. *LD *JS
1999 Lexus RX300
Owner reports · Recalls · Investigations
More warning signs than most RX300 years
Owner complaints for the 1999 Lexus RX300 are substantially higher than the model-year median of 88.
About this comparison →How this year compares
Owner complaints by model year
Compare all RX300 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
149 reports with mileage · 72 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Power Train. Review the 129 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine And Engine Cooling. Review the 24 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Air Bags. Review the 14 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Vehicle Speed Control complaints
11 reportsTL* THE CONTACT OWNS A 1999 LEXUS RX300. WHILE DRIVING APPROXIMATELY 30 MPH, THE RPMS SUDDENLY INCREASED AND THE VEHICLE ACCELERATED TO SPEEDS ABOVE 85 MPH. DURING THE INCIDENT, FLAMES WERE SEEN COMING FROM THE EXHAUST. THE CONTACT SUSTAINED A NECK INJURY, WHICH REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS NOT FILED. THE VEHI…
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TL* THE CONTACT OWNS A 1999 LEXUS RX300. WHILE DRIVING APPROXIMATELY 30 MPH, THE RPMS SUDDENLY INCREASED AND THE VEHICLE ACCELERATED TO SPEEDS ABOVE 85 MPH. DURING THE INCIDENT, FLAMES WERE SEEN COMING FROM THE EXHAUST. THE CONTACT SUSTAINED A NECK INJURY, WHICH REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS NOT FILED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO INDICATED THAT THE FLAMES CREATED A HOLE IN THE CATALYTIC CONVERTER AND THE OXYGEN SENSOR WAS FAULTY. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER AND LOCAL DEALER (O'BRIEN LEXUS IN BELLEVUE WA) WERE NOTIFIED. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 179,825. *TT *TR
MY WIFE WAS DRIVING HER LEXUS 300 RX TO A GROCERY STORE WHEN CAR STOPPED TO REACT ON THE ACCELATOR PEDAL, THEN SUDDENLY, THE LEXUS VERY STRONGLY ACCELERATED - THIS ALSO HAPPEND BEFORE - AND ITS VERY SCARY. CASE # [XXX]. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
TL* THE CONTACT OWNS A 1999 LEXUS RX300. WHILE DRIVING APPROXIMATELY 40 MPH, THE BRAKE PEDAL WAS ENGAGED SLIGHTLY TOPREPARE FOR A TURN WHEN THE VEHICLE FAILED TO REDUCE SPEED. THE VEHICLE CONTINUED TO ACCELERATE EVEN THOUGH THE BRAKE PEDAL WAS APPLIED FORCEFULLY. THE VEHICLE THEN TRAVELED OVER THE CURB AND CRASHED INTO A CEMENT …
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TL* THE CONTACT OWNS A 1999 LEXUS RX300. WHILE DRIVING APPROXIMATELY 40 MPH, THE BRAKE PEDAL WAS ENGAGED SLIGHTLY TOPREPARE FOR A TURN WHEN THE VEHICLE FAILED TO REDUCE SPEED. THE VEHICLE CONTINUED TO ACCELERATE EVEN THOUGH THE BRAKE PEDAL WAS APPLIED FORCEFULLY. THE VEHICLE THEN TRAVELED OVER THE CURB AND CRASHED INTO A CEMENT BARRIER. THE REAR PASSENGER SUFFERED MINOR INJURY TO THE SHOULDER. THE VEHICLE WAS TOWED TO A COLLISION CENTER. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 97,000.
TL* THE CONTACT OWNS A 1999 LEXUS RX300. WHENEVER THE CONTACT WOULD ATTEMPT TO STOP THE VEHICLE AT A LOW SPEED THE CONTACT NOTICED THAT THE VEHICLE WOULD SUDDENLY SURGE FORWARD BEFORE THE BRAKES WOULD ENGAGE. THE VEHICLE WAS TAKEN TO THE DEALERSHIP WHERE THE CONTACT WAS INFORMED THAT THE VEHICLE WAS WORKING PROPERLY. THE CONTACT…
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TL* THE CONTACT OWNS A 1999 LEXUS RX300. WHENEVER THE CONTACT WOULD ATTEMPT TO STOP THE VEHICLE AT A LOW SPEED THE CONTACT NOTICED THAT THE VEHICLE WOULD SUDDENLY SURGE FORWARD BEFORE THE BRAKES WOULD ENGAGE. THE VEHICLE WAS TAKEN TO THE DEALERSHIP WHERE THE CONTACT WAS INFORMED THAT THE VEHICLE WAS WORKING PROPERLY. THE CONTACT HAS NOTICED THE FAILURE SINCE THE DAY THE VEHICLE WAS PURCHASED. THE CURRENT AND FAILURE MILEAGES WERE 91000.
3 EPISODES OF SEVERE ACCELERATION TERMINATED BY SHIFTING TO NEUTRAL. IN EACH CASE THE RPM CYCLED FROM 3,000 TO 8,000 AND THEN SPONTANEOUSLY RETURNED TO NORMAL AFTER ABOUT A MINUTE. IN NEUTRAL GEAR. I WAS UNABLE TO OVERCOME ACCELERATION BY BRAKING. THE GAS PETAL FELL TO FLOOR EACH TIME BUT WAS NOT STUCK AND RETURNED TO NORMAL A…
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3 EPISODES OF SEVERE ACCELERATION TERMINATED BY SHIFTING TO NEUTRAL. IN EACH CASE THE RPM CYCLED FROM 3,000 TO 8,000 AND THEN SPONTANEOUSLY RETURNED TO NORMAL AFTER ABOUT A MINUTE. IN NEUTRAL GEAR. I WAS UNABLE TO OVERCOME ACCELERATION BY BRAKING. THE GAS PETAL FELL TO FLOOR EACH TIME BUT WAS NOT STUCK AND RETURNED TO NORMAL AFTER THE EPISODE WAS OVER. THESE 3 EVENTS OCCURRED IN A SINGLE WEEK. I FELT THERE WAS SOME MALFUNCTION OF THE CRUISE CONTROL--WHICH I NEVER USE. I HAD THE CRUISE CONTROL DISCONNECTED AT A LOCAL GARAGE AND NEVER HAD ANOTHER PROBLEM. WHEN I TOLD THE LEXUS DEALER ABOUT THIS AT THE NEXT ROUTINE SERVICE VISIT, THEY SAID THEY HAD NEVER HEARD ANYTHING LIKE THIS AND DID NOT SUGGEST FURTHER ACTION. I NEVER RECONNECTED THE CRUISE CONTROL. I REPORT THIS NOW BECAUSE OF THE CURRENT CONCERNS. THIS WAS CLEARLY ELECTRONIC IN SOME FASHION AND I BELIEVE INVOLVED THE CRUISE CONTROL MECHANISM. *TR
I WAS SLOWLY BACKING UP THROUGH A NARROW EXIT, AND THEN I PUT THE CAR IN DRIVE, SLOWLY PRESSED THE ACCELERATOR AND THE CAR JUST TOOK OFF LIKE A BULLET, I HIT THE WALL OF A HOUSE, I WAS ABOUT 10 OR 15 FEET FROM THE WALL, IT WAS SO UNEXPECTED, FAST AND SCARY THAT I FROZE, I WAS WITH THREE OTHER PEOPLE IN THE CAR, WE WERE LUCKY TH…
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I WAS SLOWLY BACKING UP THROUGH A NARROW EXIT, AND THEN I PUT THE CAR IN DRIVE, SLOWLY PRESSED THE ACCELERATOR AND THE CAR JUST TOOK OFF LIKE A BULLET, I HIT THE WALL OF A HOUSE, I WAS ABOUT 10 OR 15 FEET FROM THE WALL, IT WAS SO UNEXPECTED, FAST AND SCARY THAT I FROZE, I WAS WITH THREE OTHER PEOPLE IN THE CAR, WE WERE LUCKY THAT NOBODY GOT HURT. THE CAR WAS A TOTAL LOSS. THIS IS THE ONLY TIME THIS HAPPENED. *TR
VEHICLE EXPERIENCED SUDDEN ACCELERATION WHILE BACKING INTO THE CAR PORT, THE ACCELERATOR PEDAL STUCK ,CAUSING THE VEHICLE TO CRASH THROUGH A WALL.*AK
VEHICLE DID NOT START FOUR TIMES IN SIX WEEK PERIOD. BATTERY REPLACED TWICE. PROBLEM STILL EXIST. *TT
CAR ACCELERATED SUDDENLY FROM REVERSE TO DRIVE POSITION. CAR WAS STOPPED ONLY BY FORCING LEVER INTO PARK POSITION. *AK
Official recalls
299V011000 · Exterior Lighting:headlights:switch
Jan 20, 1999
VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE HEADLIGHTS AND TAILLIGHTS MAY NOT AUTOMATICALLY ILLUMINATE IN LOW AMBIENT LIGHT WHEN THE HEADLIGHT SWITCH IS PLACED IN THE "AUTO" POSITION.
Consequence & remedy
Consequence: VEHICLES FOLLOWING BEHIND MAY NOT SEE THE VEHICLE SINCE NO HEADLIGHTS AND TAILLIGHTS WOULD BE ILLUMINATED, INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL INSTALL A MODIFIED BODY ELECTRONIC CONTROL UNIT.
99V012000 · Service Brakes, Hydraulic:foundation Components:differential Proportional Valve
Jan 20, 1999
VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH THE OPTIONAL TRACTION CONTROL SYSTEM. DUE TO IMPROPER DESIGN OF THE REAR BRAKE TUBE DISTRIBUTION, IF ONE OF THE DUAL BRAKE LINES FAILS WHEN THE DRIVER APPLIES THE BRAKE, THE VEHICLE WILL FEEL UNSTABLE COMPARED TO VEHICLES WITH PROPER REAR BRAKE TUBE DISTRIBUTION.
Consequence & remedy
Consequence: THIS CONDITION CAN INCREASE THE RISK OF A CRASH.
Remedy: DEALERS WILL INSTALL MODIFIED BRAKE TUBES.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1DP02004 · Engine Seizure
Opened Apr 30, 2002 · Closed Jun 20, 2002
Status: closed (inferred from source dates) · Engine And Engine Cooling
No summary supplied.
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