VEHICLE DESTROYED BY FIRE ORIGINATING UNDER HOOD. EXACT CAUSE UNKNOWN DUE TO EXTENT OF HEAT/DAMAGE UPON DISCOVERY OF EVENT. FIRE BURNED THROUGH THE FIREWALL INTO THE PASSENGER COMPARTMENT. VEHICLE HAD BEEN PARKED APX 2 HOURS WITH IGNITION SWITCH OFF AND KEY OUT OF IGNITION. VEHICLE HAD HAD A 5,000 MILE SERVICE WITH THE NEXT SERVICE DUE AT 10,000 MILES. *AK