TL* THE CONTACT OWNED A 2004 MERCURY MONTEREY. THE CONTACT STATED THAT WHEN THE GEAR SHIFTER WAS PLACED INTO THE REVERSE POSITION AND BACKING OUT OF A PARKING SPACE, THE VEHICLE ACCELERATED ON ITS OWN AND CRASHED INTO A FENCE. THE FAILURE RECURRED AND THE VEHICLE WAS TOWED TO A BODY SHOP. THERE WERE NO INJURIES AND A POLICE REPORT WAS NOT FILED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE VIN WAS INVALID. THE APPROXIMATE FAILURE MILEAGE WAS 63,000.