WHILE DRIVING THE 2005 CHEVY TRAILBLAZER, MY WIFE SMELLED SMOKE. SHE PULLED INTO A PARKING LOT AND OPENED THE DOOR - AND THE DRIVER'S SEAT PROCEEDED TO BILLOW SMOKE. THE POLICE AND FIRE DEPARTMENTS RESPONDED - THE SEAT WAS RIPPED OUT OF THE VEHICLE AND THE VEHICLE AND SEAT WERE EXTINGUISHED WITH FOAM - THE VEHICLE HAD A POWERED DRIVER'S SEAT BUT NOT HEATED SEATS. THE VEHICLE IS CURRENTLY IN AN AUTO BODY SHOP. *TR