DRIVER SEAT HEAT MAT GOT TOO HOT CAUSING SMOKE, DAMAGE TO CLOTHING, AND SKIN INJURY IN LESS THAN A MINUTE AFTER TURNING THE SYSTEM ON HIGH. THE SEAT HAD BEEN FUNCTIONING NORMALLY THE DAY BEFORE. THE SEAT COVER IS VISIBLY DAMAGED AT A SINGLE POINT ABOUT THE SIZE OF A QUARTER. THE SPOT IS ON THE LEFT SEAT PAN BOLSTER 2/3'S BACK FROM THE FRONT EDGE OF THE SEAT PAN. *TR