DURING A LONG TRIP I HAD MY HEATED SEATS ON HIGH. I HAD HURT MY BACK AND THE HEAT HELPED KEEP THE BACK MUSCLE LOOSE. I HAD REMOVED MY COAT, BUT STILL HAD A LONG SLEEVE SHIRT ON. NO BARE SKIN WAS TOUCHING THE SEAT. AFTER ABOUT 8 HOURS ON THE ROAD, I STARTED FEELING DISCOMFORT ON MY LOWER BACK LIKE A SUN BURN. I SHOWED MY WIFE AND SHE SAID I HAD 2 LARGE (SIZE OF HALF DOLLAR) BLISTERS ON MY LOWER BACK. I HAD NO IDEA THIS COLD HAPPEN FROM A HEATED SEAT. THERE IS N WARNING I COULD FIND THAT STATES THIS COULD HAPPEN . MY HEATED SEATS DO NOT TURN OFF, THEY STAY ON UNTIL YOU TURN THE CAR OFF. I HAVE PICTURES TAKEN 9 DAYS AFTER INCIDENT. THE AREAS STILL HAVE SKIN MISSING. *TR