2019 Audi A5 ELECTRICAL SYSTEM,BACK OVER PREVENTION

The contact owns a 2019 Audi A5. The contact stated while starting the vehicle and shifting into reverse(R), the message "SOS System Deactivated" was displayed, and the rearview camera became inoperable. The contact shifted to park(P) and shifted back to reverse(R); however, the failure persisted. The contact stated upon restarting the vehicle and shifting to reverse(R), the rearview camera became operable, but the message "SOS System Deactivated" was displayed. Additionally, the contact stated that while his wife was at a complete stop two weeks later, the Audi pre-sense warning light illuminated, and an alarm sounded. The windows rolled up independently, and the front driver's side seat belt tightened around the waist of the contact's wife. The contact stated that the seat belt untightened, and his wife was able to drive to the residence. The dealer was not notified of the failure. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and a case was opened. The failure mileage was approximately 25,000.