CPSC: CALLER NOTICED THAT HEATED CUSHIONS HAD BURNT A HOLE THROUGH THE CAR SEAT . CALLER STATED THAT SHE USED THE CUSHIONS SELDOM SINCE SHE PLACED THEM ON THE SEAT. SHE STATED THAT THERE WAS NO ODOR OR OVERHEATING OF THE PRODUCT. CALLER IS NOT SURE WHEN THE INCIDENT OCCURRED. *DT *JS