TL*THE CONTACT OWNS A 1999 GMC SUBURBAN 1500. THE CONTACT STATED THAT THE FRONT PASSENGER SEAT WARMER OVERHEATED AND BURNED A HOLE IN THE SEAT. THERE WAS AN OCCUPANT IN THE SEAT BUT THEY WERE NOT BURNED. HE CALLED THE DEALERSHIP TO FIND OUT IF THERE WERE ANY RELATED RECALLS AND WAS TOLD THAT THERE WERE NONE. THE CONTACT HAD NOT CALLED THE MANUFACTURER TO-DATE. THE VEHICLE HAD NOT BEEN REPAIRED WHEN THE COMPLAINT WAS FILED. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 125,000.