The contact owns a 2019 Nissan Pathfinder. The contact stated while in a parking lot and reversing with the accelerator pedal depressed, the contact crashed into a vehicle. The contact mentioned that the accelerator pedal felt stiff and there there was no warning alert of the crash. The vehicle that was crashed into was unoccupied. The air bags failed to deploy. There were no injuries reported. The failure continued to occur intermittently. The contact took the vehicle to an independent mechanic. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 70,000.