VEHICLE OWNER SMELLED A BURNING TYPE SMELL ON A COLD DAY WHEN HAVING THE HEATER ON FULL TO WARM THE VEHICLE. THERE WAS NO OBVIOUS SMOKE OR FIRE. THE SECOND TIME THE VEHICLE OWNER HAD THE HEATER ON FULL TO WARM THE CAR, A FIRE RESULTED. THE FIRE CAUSED SO MUCH DAMAGE TO THE VEHICLE THAT THE INITIAL CAUSE IS UNKNOWN. *TR