THE FRONT PASSENGER SEAT CAUGHT FIRE SOMETIME BETWEEN 3 P.M. ON 8/10/14 AND 8 A.M. ON 8/11/14 WHEN THE VEHICLE WAS UNOCCUPIED, PARKED, AND LOCKED. THE FIRE BURNED A LARGE HOLE IN THE SEAT. CHARRED DEBRIS FROM THE BURNED SEAT WAS FOUND ON THE FRONT PASSENGER SIDE FLOOR MAT. THE VEHICLE WAS TAKEN TO A CHEVROLET DEALER FOR DIAGNOSIS AS SOON AS THE BURNED SEAT WAS DISCOVERED. THE DEALER DIAGNOSED THE PROBLEM AS A "SEAT FIRE CAUSED BY AN INTERNAL HEAT SOURCE" AND OFFERED TO REPLACE THE FRONT PASSENGER SIDE AIR BAG SENSOR AND SEAT CUSHION. *TR