The contact owns a 2019 GMC Acadia. The contact stated that occasionally while attempting to park the vehicle and shifting the gear selector into park(P), the message ‘Please Shift to Park’ was displayed; however, there was no warning light illuminated. The contact was unable to turn off the vehicle during the failure. The local dealer was contacted; however, the vehicle was not diagnosed. The contact was informed that the VIN was not under recall. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 77,000.