Tl* the contact owns a 2017 chevrolet traverse. after the contact shifted into park and exited the vehicle, the vehicle independently shifted out of park and rolled away approximately one minute later. as a result, the vehicle was involved in a rear end collision. the vehicle was towed to a dealer. a police report was not filed and there were no injuries. the manufacturer was notified of the failure. the failure mileage was approximately 999. the vin was not provided.