The contact owns a 2020 Toyota Camry Hybrid. The contact stated that while parked in the CVS drive-thru, the contact shifted the gear shift into reverse when the vehicle unintendedly accelerated in reverse, the brake pedal was depressed, and the vehicle was shifted into drive; however, the vehicle accelerated independently again, causing the contact to crash into the rear of the vehicle in front. No warning lights illuminated, but the contact was uncertain as the events occurred fast. No injuries were sustained. A police report was filed. The vehicle was towed to a dealer, where it was diagnosed; however, the diagnosis was unknown. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 41,000.