Accelerator Pedal problems of the 2021 Toyota Highlander

The contact owns a 2021 Toyota Highlander. The contact stated that while driving approximately 3 mph, the brake pedal was depressed; however, the vehicle surged over the curb and sidewalk. The contact was able to release the brake pedal, stopped the vehicle, reversed, and parked the vehicle. While driving on a hill with the accelerator pedal depressed, the vehicle hesitated and failed to properly drive forward. The vehicle was taken to the local dealer who was unable to duplicate the failure. The vehicle was not diagnosed or repaired. The vehicle was taken to another local dealer, germain Toyota of naples (13315 tamiami trail n, naples, FL 34110), who informed the contact about a brake issue and provided an unintended acceleration form; but the vehicle was not diagnosed or repaired. The vehicle was taken back to the original dealer who informed her about brake calibration. The vehicle was not diagnosed or repaired. Additionally, the tailgate failed to open, and the seat heaters became inoperable. The remote start failed to turn off. The windshield wipers randomly came on for five minutes but self-corrected. The manufacturer was contacted but provided no additional assistance. The failure mileage was approximately 12,000.