TURNED ON SEAT HEATER TO 1 WHILE WAITING FOR CAR TO WARM UP. NOTICED A BURNING SMELL AND FELT A HOT BURNING SENSATION ON MY BUTTOCKS. TURNED OFF SEAT HEATER AND GOT OUT OF THE CAR. THERE WAS A 5/8' HOLE BURNT THROUGH THE SEAT WITH SOME SMOKE STILL COMING OUT OF IT. THE SEAT HEATER HAD BEEN ON LESS THAN 1 MINUTE. WILL CONTACT DEALER LATER TODAY TO RESOLVE THE ISSUE. CW. *NM