MY WIFE AND I TURNED ON OUR SEAT HEATERS, AND BOTH NOTED A SMELL OF BURNING WIRE AND PLASTIC. WE EVACUATED THE VEHICLE. I THEN PROCEEDED TO CHECK UNDER THE PASSENGER SEAT WHERE THE SMELL WAS COMING FROM. I VISUALLY NOTED A SMALL AMOUNT OF WHITE SMOKE. I HAVE SINCE PULLED THE FUSE FOR THE HEATED/COOLED SEAT MODULE, AND REPAIRED IT. THERE SHOULD BE A RECALL ON THIS IF NOT I'M ALMOST SURE A CLASS ACTION LAWSUIT WILL BE IN GM'S NEAR FUTURE FOR SUCH A DANGEROUS FAULT. UPON REPLACEMENT OF THE MODULE I NOTE SEVERAL BURNT WIRES AND MELTED CONNECTORS ON THE MODULE. NOT EVEN A WEEK AFTER I REPLACED THE MODULE IT HAPPENED A SECOND TIME! THIS TIME THERE WAS EVEN MORE SMOKE AND I WAS SURE THERE WAS A FIRE. THERE WASN'T; JUST BURNING WIRES AGAIN. DEALERS CHARGE UPWARDS OF $800.00 FOR THIS REPAIR!! A HIGH PRICE TO PAY FOR NOT WANTING TO BE SET ABLAZE FOR WARM OF VENTILATED SEATS JUST FOR IT TO DISASTROUSLY FAIL AGAIN! DO SOMETHING ABOUT IT GM! *TR