The contact owns a 2017 Chevrolet Malibu. The contact stated while at a red light, the Auto STOP feature engaged and failed to disengage while the brake pedal was no longer depressed. No warning lights were illuminated. The vehicle was taken to a dealer where it was diagnosed that the starter needed to be replaced. The vehicle was repaired; however, the failure persisted. The vehicle was taken back to the dealer where it was diagnosed and determined that the battery needed to be replaced. The vehicle was repaired; however, the failure persisted. The manufacturer was not notified of the failure. The failure mileage was 167,000.