ELECTRICAL FIRE IN A 1999 VW PASSAT. WHILE DRIVING, I HAD TO TOGGLE THE FAN SWITCH TO GET THE FAN TO TURN OFF. THIS SLIGHT MALFUNCTION WAS FOLLOWED BY A PUFF OF SMOKE COMING FROM THE CENTER DASHBOARD VENT, WHICH WAS FOLLOWED BY MORE AND MORE SMOKE. I PULLED OVER AT A AUTO DEALERSHIP/SERVICE STATION AND ASKED EMPLOYEES FOR ASSISTANCE. BY THE TIME THEY BEGAN SPRAYING A FIRE EXTINGUISHER INTO THE VENTS (ABOUT A MINUTE OR TWO AFTER THE INITIAL PUFF OF SMOKE), FLAMES WERE COMING OUT OF THE CENTRAL DASH VENT. THE FIRE MELTED THE A/C BLOW CONTROL ASSEMBLY, 3 ELECTRICAL PIGTAILS AND SOME CONNECTORS. *TR