MINIVAN WAS PARKED, NOT RUNNING AND IN 10 DEGREE AMBIENT AIR TEMPERATURE. NO PREVIOUS PROBLEMS HAD OCCURRED. THE SWITCHES APPARENTLY SHORTED OUT CAUSING A FIRE ON THE DOOR PANEL, HEADLINER AND DOOR TRIM THAT CREATED ENOUGH FIRE/SMOKE DAMAGE THAT IT WAS DECLARED TOTALLED. THIS WAS A CLEAN VAN THAT WAS KEPT WELL MAINTAINED. *AK