THE VEHICLE WAS RUNNING FOR 45 MINUTES ON TWO-LANE PAVED COUNTRY ROADS. I DROVE THE FIRST 15 MINUTES, WITH ONE OF MY SONS DRIVING THE OTHER 30 MINUTES WHILE I WAS A FRONT SEAT PASSENGER. WE PULLED INTO A PARKING LOT AND SWITCHED DRIVERS SO ANOTHER SON COULD BEGIN A DRIVING LESSON WITH ME. WHEN HE BEGAN TO BACK OUT OF THE PARKING SPACE HE SAID THAT THE BRAKES DID NOT FEEL RIGHT AND NOTICED WHAT I THOUGHT WAS STEAM COMING FROM UNDER THE HOOD. I TOLD HIM TO PULL BACK INTO THE PARKING SPACE AND RELEASE THE HOOD SO I COULD CHECK FOR AN OVERHEATING ENGINE, EVEN THOUGH THERE WERE NO WARNING LIGHTS ON THE DASHBOARD AND THE TEMPERATURE GAUGE WAS IN THE CENTER OF THE VISIBLE RANGE. WHEN I OPENED THE HOOD I SAW A SIX-INCH WIDE AREA OF FLAMES TO THE RIGHT OF THE ALTERNATOR. I TOLD MY SONS TO GET OUT OF THE VEHICLE AND ASKED ONE OF THEM TO CALL 911 ON HIS CELLPHONE AND THE OTHER TO GO TO THE NEAREST BUILDING, ABOUT 75 YARDS AWAY, AND LOOK FOR A FIRE EXTINGUISHER. IN THE MEANTIME, I OPENED THE REAR VEHICLE HATCH TO LOOK FOR SOMETHING I COULD USE TO PUT OUT THE FIRE. FINDING NOTHING USEFUL, I RAN TO THE BUILDING MY FIRST SON HAD APPROACHED FOR A FIRE EXTINGUISHER AND FOUND HIM INSIDE THE OUTER DOOR OF A LOCKED LOBBY AREA. WE BOTH RAN TO THE NEXT BUILDING ABOUT 100 YARDS AWAY WHERE WE LOCATED A FIRE EXTINGUISHER AND RETURNED TO THE VEHICLE. I ESTIMATE THIS TOOK LESS THAN FIVE MINUTES. WHEN WE RETURNED TO THE VEHICLE THE FLAMES WERE ABOUT TWELVE INCHES WIDE, STILL ONLY TO THE