The contact owns a 2023 Chevrolet Silverado 1500. The contact stated while operating the vehicle, the Auto START/STOP feature malfunctioned, and the vehicle turned off at the stop light while attempting to accelerate. During the failure, the instrument cluster shut off and displayed a black screen. Additionally, on one occasion while reversing, the back over prevention camera screen switched to a black screen, and the vehicle shut off. The vehicle was taken to the local dealer who was unable to determine the cause of the failure. The vehicle was not repaired. The manufacturer was not yet notified of the failure. The failure mileage was 18,000.