DRIVING W/DAYTIME RUNNING LIGHT; NOTICED SMOKE COMING FROM VENT AREA AND FLAMES NEAR LEG/HANDS AREA; PULLED OFF FWY INTO GAS STATION; FIRE DEPT ARRIVED & PUT OUT FLAMES; FLAMES REAPPEARED & PUT OUT AGAIN; FIRE DEPT SAID IT WAS ELECTRICAL. AT DEALERSHIP, IT WAS 3RD ONE THAT BURNED. *AK