VEHICLE WAS PARKED UNDER THE CARPORT, WAS NOT RUNNING, KEYS WERE NOT IN THE IGNITION. IT HAD BEEN PARKED APPROXIMATELY 2 1/2 HOURS WHEN SON IN LAW HAPPENED TO COME OVER AND SAW THE INSIDE OF THE TRUCK FULL OF SMOKE. HE OPENED THE DOOR AND DETERMINED THAT THE PASSENGER SEAT WAS THE SOURCE OF THE SMOKE AND THE INSIDE OF THE SEAT WAS BURNING. THE SEAT WAS FULLY DESTROYED, BUT THE FIRE WAS ABLE TO BE PUT OUT BEFORE ANY FURTHER DAMAGE OCCURED. HAD THIS NOT BEEN DISCOVERED WHEN IT WAS, THE ENTIRE VEHICLE COULD HAVE BEEN DESTROYED, ALONG WITH THE CARPORT AND POSSIBLY THE ENTIRE HOME. *TR