The contact owned a 2015 Jeep Grand Cherokee. The contact stated while parked, the vehicle suddenly jumped into gear crashing into the rear of the vehicle in front. The vehicle was taken to a dealer but was not diagnosed. The contact stated shortly after the crash while driving at approximately 70 MPH, the instrument panel flashed and the vehicle stalled. As a result, the vehicle crashed into a parked vehicle. The vehicle was deemed destroyed. A police report was filed. No injuries were reported. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 86,000.