The contact owns a 2018 Ford F-150. The contact stated while the vehicle was parked, the radio and the rearview camera was inoperative. No warning lights were illuminated. The vehicle was taken to a dealer to be diagnosed. The diagnostic result was unavailable. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 120,000.