VEHICLE WAS PARKED. HEARD A SOUND LIKE ELECTRIC MOTOR RUNNING. WAS GOING TO CHECK WHEN HORN STARTED BLOWING. OPENED DOOR WITH KEY. SMOKE WAS HEAVY INSIDE VEHICLE. WHEN AIR HIT INSIDE, FLAMES SHOT OUT. ALONG RIGHT HAND SIDE NOTICED FLAMES ON DASHBOARD. NEIGHBOR CONTACTED FIRE DEPARTMENT, THEY PUT FLAMES OUT. FIREMAN INDICATED POSSIBLE ELECTRICAL WIRING WAS THE CAUSE OF FIRE.*AK *SLC