ARRIVED HOME AFTER SHOPPING WITH GRANDDAUGHTER WAS UNLOADING CAR WHEN SHE MOVED SEAT FORWARD AND YELLED SMOKE. I RACED TO PASSENGER FRONT AND SEEN A TRICKLE OF SMOKE LOOKED UNDER THE SEAT AND OBSERVED A FLAME COMING FROM THE ? HEATED SEAT CONTROL MODULE? LUCKILY I WAS HOME EXSTIGUISHED THE FLAME DISCONNECTED THE BATTERY. THEN PROCEEDED TO TAKE PART OFF. BURNED THE CONNECTOR, THE WIRES, AND THE MODULE. CAR WAS PARKED AND THE KEYS WAS IN MY POCKET. NO POWER SHOULD OF BEEN GOING IN THE UNIT.