SON WAS DRIVING VEHICLE, TURNED ON FRONT A/C NOTICED IT WAS NOT WORKING BUT THE BACK A/C WAS FUNCTIONING, TURNED OFF FRONT A/C. AFTER HE HAD TURNED OFF THE A/C NOTICED SMOKE AND FIRE THROUGH VENT - PULLED INTO A PARKING LOT , RAN INTO WALGREEN'S TO GET WATER TO PUT OUT FIRE, WENT BACK IN A 2ND TIME BOUGHT MORE WATER BY THEN CAR WAS IN FLAMES - FIRE DEPARTMENT CALLED BY STORE MANAGER WHEN THEY ARRIVED THEY WERE ABLE TO PUT FIRE OUT - CAR INTERIOR COMPLETELY DESTROYED - WINDOWS, FRONT & BACK WINDSHIELDS ALL GONE - THANKFULLY SON IS OKAY. VEHICLE HAD APPROXIMATELY 119,500