VEHICLE WAS PARKED IN A CARPORT AND ABOUT ONE PM THAT NIGHT CONSUMER HEARD SOMETHING THAT SOUNDED LIKE THUNDER. WHEN THE CONSUMER LOOKED OUTSIDE VEHICLE WAS ON FIRE ALONG WITH THE CARPORT. WHILE ATTEMPTING TO EXTINGUISH THE FLAMES CONSUMER SLIPPED AN SUFFERED A BACK SPRAIN. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE. VEHICLE WAS TOTALED, AND THE CARPORT HAD TO BE REPLACED. *AK