CAME HOME 8 PM. SON CAME HOME SHORTLY AFTER 10 PM. JUST AFTER MIDNIGHT MY CAR ALARM STARTED GOING OFF (CAR LOCKED AND PARKED IN DRIVEWAY), I GOT OUT OF BED LOOKED THROUGH BLINDS AND SAW MY CAR WAS ON FIRE. I RAN TO KITCHEN GRABBED FIRE EXTINGUISHER ATTEMPTED TO PUT OUT FIRE AND CALLED 911. FIRE DEPT DETERMINED FIRE STARTED INSIDE CAR AT WIRING AREA.