ON OCT 15, 2006 OUR BUICK REGAL WITH 39,000 MILES ON IT WAS DRIVEN THAT DAY APPROXIMATELY 25 MILES ON FLAT TERRAIN IN A TEMPERATURE OF 75 DEGREES. CAR RETURNED TO HOME AND WAS PARKED IN THE DRIVEWAY AND APPROXIMATELY 20-30 MINUTES LATER THE CAR SPONTANEOUSLY ERUPTED IN FIRE FROM UNDER THE HOOD. FORTUNATELY THE CAR WAS NOT PARKED INSIDE THE GARAGE.. *NM