THIS VEHICLE IS USED AS A FLEET VEHICLE. THE VEHICLE WAS SITTING IN A PARKED DRIVEWAY AT A RESIDENCE. THE VEHICLE WAS IN PARK, AND TURNED OFF. THE VEHICLE BROKE FREE, ROLLED DOWN AN EMBANKMENT, OVER THE EDGE OF THE EMBANKMENT STRIKING THE SHOULDER OF THE ROADWAY. THIS IMPACT CAUSED SEVERE DAMAGE TO THIS VEHICLE. ACCORDING TO THE OPERATOR, THE IGNITION SWITCH WAS IN THE OFF POSITION, AND IN PARK. IT SHOULD BE NOTED THAT THERE HAS BEEN PROBLEMS WITH THE IGNITION SWITCH IN THE PAST. *TR