THE DRIVER SEAT OVERHEATED, APPARENTLY FROM A MALFUNCTIONING SEAT WARMER, CAUSING COMBUSTION. THE FIRE BURNED THROUGH THE SEAT PADDING, OUTER LEATHER COVERING, AND THE DRIVER'S CLOTHING. IT BURNED INTO A WALLET IN THE DRIVER'S BACK POCKET, WHICH PROTECTED THE DRIVER FROM A BURN. THE BURN HOLE IN THE SEAT IS ABOUT THE SIZE OF A NICKEL. *TR
National Highway Traffic Safety Administration — Office of Defects Investigation