STEERING: VEHICLE PARKED IN GARAGE FOR APPROXIMATELY 15MINUTES. HORN STARTED HONKING AND OPENED THE DOOR TO GARAGE AND THE CAR WAS IN FLAMES. CAR WAS TOTALED AND HOUSE WAS ALSO. ARSON INVESTIGATOR REPORT STATED THAT THE FIRE STARTED IN THE POWER STEERING PUMP AREA WHEN POWER STEERING FLUID WA SAPPLIED TO A HOT EXHAUST MANIFOLD, THEREBY STARTING A FIRE.