The contact owned a 2019 Nissan Leaf. The contact received notifications of NHTSA Campaign Numbers: 23V494000 (VEHICLE SPEED CONTROL), 24V700000 (ELECTRICAL SYSTEM), and 24V071000 (BACK OVER PREVENTION). The contact stated that while driving approximately 20 MPH and coming up to an intersection, the vehicle ahead of the contact had stopped in front of the contact due to a crash. The contact attempted to stop the vehicle; however, the vehicle failed to stop. The contact stated that the brake pedal was depressed; however, the vehicle unintendedly accelerated and crashed into the rear of the vehicle ahead. The contact stated that the vehicle came to a stop at the intersection under the traffic light after the crash. There were no warning lights illuminated; however, there was a beeping sound while attempting to stop the vehicle. The drivers and passengers side air bags deployed as needed. The contact was unsure if a Police report was filed. The contact stated that the vehicle was driven to the residence. The contact sustained an injury to the right knee from the impact, sciatic nerve injury, shoulder pain, and emotional distress. The contact went to the Emergency room and had since received physical therapy. The contact believed that one other person in one of the other vehicles had sustained injuries. The contact stated that the vehicle had been towed to an auto body shop, and the contact stated that the body shop had deemed the vehicle a total loss. The contact stated that the dealer had contacted the body shop and had been harassing her as well as the body shop about returning the vehicle to the dealer. The contact then took the vehicle home with an abnormal clinking sound. The manufacturer was notified of the failure and suggested that there would be an investigation into the failure. The failure mileage was 82,000.