TL* THE CONTACT OWNS A 2015 JEEP GRAND CHEROKEE. WHILE IDLING, THE VEHICLE INDEPEDENTLY SHIFTED OUT OF PARK AND ROLLED BACKWARDS. AS A RESULT, THE VEHICLE STRUCK A POLE AND KEPT ROLLING UNTIL IT CRASHED INTO A FENCE ON THE TOP OF A BOULDER. THE VEHICLE WAS TOWED TO AN INDEPENDENT MECHANIC AND DEALER, BUT WAS NOT DIAGNOSED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THERE WERE NO INJURIES AND A POLICE REPORT WAS NOT FILED. THE FAILURE MILEAGE WAS APPROXIMATELY 2,000.