TL* THE CONTACT OWNS A 2009 CHEVROLET EXPRESS 3500. THE CONTACT STATED THAT THE VEHICLE INDEPENDENTLY ACCELERATED TO APPROXIMATELY 10 MPH. THE ENGINE WAS ON; HOWEVER, THE GEAR SHIFT WAS IN THE PARK POSITION WITH NO DRIVER. THE CONTACT MENTIONED THAT THE FRONT PASSENGER SEAT WAS OCCUPIED AT THE TIME OF THE FAILURE. THE VEHICLE CRASHED INTO A WALL. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE FAILURE WAS UNABLE TO BE DETERMINED. THE VEHICLE WAS NOT REPAIRED. A POLICE REPORT WAS FILED AND THERE WERE NO INJURIES REPORTED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 123,000.