The contact owns a 2017 GMC Acadia. The contact stated that the shift to park message was displayed. The vehicle failed to recognize the gear that transmission was shifted into. The message Steering Assist Reduced – Drive with Care was displayed. There was an abnormal beeping sound when the door was closed. The contact had to move the gear shifter to shift into the selected gear. The vehicle was taken to the local dealer, where it was diagnosed that the thermostat and the gear handle needed to be replaced. The vehicle was repaired under the warranty, but the failure recurred. The manufacturer was contacted, and informed the contact to keep the receipt for a possible recall reimbursement and referred the contact to the NHTSA Hotline. The failure mileage was approximately 3,000.