MY SON WAS DRIVING (IN MOTION) ON HWY 17 IN MILLER COUNTY MO WITH SEAT HEATER ON SATURDAY NOV. 28, 2020. SEAT CAUGHT ON FIRE. I HAD NOTICED WHEN I HAD SEAT HEATER ON PREVIOUSLY IT BECAME SO HOT AS TO BURN LEGS. THIS IS A SERIOUS PROBLEM. IT COULD HAVE BURNED MY CAR COMPLETELY. VERY DANGEROUS.