The contact owns a 2023 Lexus RX500H. The contact stated while depressing the brake pedal, the vehicle surged forward. There were no warning lights illuminated. The vehicle was taken to the dealer who was unable to determine the cause of the failure. The contact stated that the failure persisted. The vehicle was taken to another dealer, Lexus of Santa Fe (6824 Cerrillos Rd, Santa Fe, NM 87507) who were unable to determine the cause of the failure. The contact stated that the failure persisted. While the contact-??s wife was driving and was idling at a stop light, the vehicle lunged forward aggressively. The contact-??s wife turned off the vehicle to avoid lunging forward and crashing with oncoming vehicles at the intersection. The vehicle was returned to the first dealer, Lexus of Albuquerque (4821 Pan American Fwy, Albuquerque, NM 87109) who was able to duplicate the failure and stated that the failure might be caused by a software failure. The dealer could not confirm but had assumed that the software update might prevent the failure. The vehicle had not been repaired. The dealer informed the contact that the manufacturer was made aware of the failure and might be preparing a software update to solve the issue. The manufacturer was made aware of the failure and opened a case. The failure mileage was 5,000.

- Corrales, NM, USA