The contact owns a 1999 Lexus GS400. The contact stated while driving at 1 mph, the vehicle accelerated independently. The brakes failed to engage while depressed on the brake pedal almost causing a collision. The contact informed the independent mechanic of the failure, but the vehicle was not diagnosed nor repaired. The manufacturer was not made aware of the failure. The failure mileage was 67,000.

- Tucson, AZ, USA

Preparing to stop while entering access gate slowing to around 10 - 15 mph, after applying brake car accelerated forcing me to reapply brake again and shifting to park. This is the first time that this high level acceleration has happened although before I have noticed occasionally a low level acceleration when preparing to stop.

- Clarksville, TN, USA

I have been having acceleration when I brake, going from 10mph to 60mph in seconds.

- Birmingham, AL, USA

I stopped at a traffic light and all of a sudden my car started to accelerate, I pressed the brake real hard but the car lunged forward ahead. Quickly, I put it into neutral. It continued to accelerate to over 7500 and then went back down. Luckily no one was in front of me and the person at the intersection saw what was happening and he swerved away. I was able to drive it home. In my 45 years of driving many different vehicles, this has been the most scariest feeling.

- Beavercreek , OH, USA

When I went to start my car. I heard a loud buzzing sound, my brake light, vsc on and off light came on. I also had very little braking capability.

- Athens, GA, USA

The contact owns a 1999 Lexus GS300. While driving at approximately 45 mph, the contact stated that the vehicle suddenly accelerated after he down shifted. He shifted into neutral to control the vehicle. Recently, the contact stated that he noticed the vehicle would not speed up when he depressed the accelerator pedal; a short while after, the vehicle suddenly accelerated and the rpms increased rapidly. The contact applied the brakes which were unresponsive so he shifted into neutral. Although the vehicle was in the neutral position, the engine continued to race so he turned the ignition off. The vehicle had not been inspected at the time of the complaint. The failure mileage was approximately 70,000. The current mileage was approximately 70,100.

- Beechhurst, NY, USA

Spontaneous acceleration after bringing car to a complete stop in a parking lot. Vehicle lurched forward onto an island before I could stop it again. This incident is related to a previous incident, ODI number 10317084, which occurred in June 2007.

- Milton, MA, USA

Sudden unexpected acceleration resulted in collision. Driver applied brakes with maximum force but was unable to stop vehicle. Driver did not have foot on gas pedal. Floor mat was not interfering with gas pedal.

- Milton, MA, USA

Lexus gs 300 1999, February 2008- 2 incidents of car accelerating after letting off the gas. Took to local mechanic after first incident, he misdiagnosed. After 2nd incident, took to Lexus dealership. They diagnosed as floor mat getting stuck under gas pedal and fixed by moving floor mat. I have documentation.

- Tega Cay, SC, USA

The contact owns a 1999 Lexus GS300. The contact stated that during acceleration there was a sudden loss of vehicle control. The failure occurred on five occasions in which the driver sustained personal injuries. The insurance company was notified on four different occasions with the submission of a claim. The insurance company stated that the driver was at fault. The failure was not reported to the manufacturer due to the continuous service repairs performed on the vehicle. The vehicle was not driven as a result of the safety issue. The contact no longer owns the vehicle. The failure mileage was unknown.

- Tarzana, CA, USA

While at a stop vehicle surged and started moving forward. The vehicle did hit the vehicle in front of the consumer. Dealer road tested the vehicle and stated there was no problem.

- Hillside, NJ, USA

For the sixth time, vehicle accelerates or surges. This time at 2 mph, but it has also happened at 45 mph. It only lasts a second or two. Has happened 6 times in 15 months of ownership. Of course for this reason, dealer is never able to diagnose. I have observed 9 others similar citations at this website on the 1998-1999 Lexus GS300. There are a total of only two for the same years of the Lexus ES300, Mercedes 320 and BMW 5-series combined. Please do something before someone is killed!

- Pittsburgh, PA, USA