DRIVING HOME FROM THEATER, SMELLED ELECTRICAL TYPE SMELL. TURNED OFF RADIO, AIR CONDITIONER ETC...WE WERE CLOSE TO HOME AND IT WAS DARK. PARKED CAR. NEXT MORNING WENT OUT AND LOOKED UNDER THE HOOD OF CAR AND FOUND A HOLE IN THE SUPPLEMENTAL FUSE BOX (MELTED PLASTIC). PRIED OFF AND DISCOVERED A ROW OF FUSES BURNT TO A CRISP. AIR IS NOW NOT WORKING...OBVIOUSLY SOME TYPE OF ELECTRICAL SHORT OR FIRE. WE HAVE HAD NO MAJOR WORK DONE ON CAR. I HAVE CONTACTED VOLVO. TAKING CAR TO DEALERSHIP FOR INSPECTION. *TR