WHILE DRIVING ON A BACK COUNTRY ROAD AT 15 TO 20 MPH THE VEHICLE SUDDENLY BURST INTO FLAMES. THICK BLACK SMOKE WAS BILLOWING FROM THE FRONT RIGHT SIDE OF VEHICLE. CAUSE OF FIRE WAS UNKNOWN AT THIS TIME, AND UNDER INVESTIGATION. ALSO, VEHICLE WAS A RENTAL, AND TWO CONSUMERS WERE IN VEHICLE AT TIME OF INCIDENT.*AK