TL* THE CONTACT OWNS A 2015 JEEP GRAND CHEROKEE. THE CONTACT STATED THAT AFTER THE GEAR SHIFT WAS SWITCHED INTO THE PARK POSITION AND THE VEHICLE WAS PARKED, THE VEHICLE ROLLED BACKWARDS INDEPENDENTLY. AS A RESULT, THE VEHICLE CRASHED INTO A BRICK WALL. THE CONTACT MENTIONED THAT THE FAILURE OCCURRED AFTER EXITING THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 300.