Transmission Stuck In Gear problems of the 2014 Cadillac ATS

The contact owns a 2014 Cadillac Ats. The contact stated that when the vehicle was parked on an incline, there was an abnormal grinding noise heard and the vehicle began to roll backwards without warning. The contact stated that the brake pedal were depressed but the vehicle failed to stop. The vehicle stopped after crashing into a pole. There were o injuries reported. The vehicle was towed to the dealer where it was diagnosed that the shifter was stuck in between gears. The vehicle was not repaired. The manufacturer was notified of the failure and the VIN was not included in NHTSA campaign number: 14v338000 (power train). The failure mileage was 13,000.