THE SEAT HEATER WAS TURNED ON TO THE HIGHEST SETTING. WHILE DRIVING WITH MY 4-YEAR OLD SON IN THE BACK, I SMELLED SMOKE, THEN SHORTLY AFTER, MY LEFT BUTT CHEEK FELT BURNING. I LOOKED DOWN AND SURE ENOUGH SMOKE WAS COMING OUT OF A AN AMBER GLOWING HOLE IN THE LEATHER SEAT. LUCKILY I DIDN'T PANIC... SLOWED DOWN AND PULLED OVER AND TURNED OFF THE HEATER. I DON'T USE THE HEATER ANYMORE BECAUSE EVEN AT THE LOWEST SETTING IT STARTS SMOKING AGAIN. *TR