ON FEBRUARY 1, 2019 AROUND 11:40PM, I WAS DRIVING WITH MY JEEP'S SEAT HEATER ON. APPROXIMATELY 30 MINUTES LATER I SMELLED SOMETHING BURNING. I REACHED AROUND TO FEEL MY COAT WAS EXTREMELY HOT, SO I GRABBED A FROZEN BOTTLE OF WATER FROM MY LUNCH BAG AND PLACED IT BETWEEN ME AND MY SEAT. NOT THINKING THAT MY SEAT WAS CATCHING FIRE. WHEN I PULLED INTO A PARKING LOT I NOTICED A HOLE IN MY SEAT COVER. I PULLED SEAT COVER OFF AND SAW THE SCORCH MARKS ON MY SEAT. ALSO A BURN MARK ON BACK OF COAT. WHEN I GOT HOME I CHECKED MY BACK AND HAD A SMALL BURN MARK.