I HAD BEEN HAVING ISSUES WITH MY TRUCK, CRUISE CONTROL QUIT WORKING, HAD SOME FUSES BLOWN UNDER HOOD THAT WERE REPAIRED, THEN CHECK ENGINE LIGHT HAD COME ON FOR ABOUT A WEEK. THEN MY 1997 F-150 XLT SPONTANEOUSLY COMBUSTS IN DRIVEWAY. HAD BEEN PARKED FOR OVER AN HOUR. PERSONS DRIVING BY ALERTED ME TO THE FIRE, WHEN I WENT OUTSIDE, THE WINDSHIELD WIPERS WERE ON AND FLAMES WERE SHOOTING OUT OF HOOD NEARLY 10' IN AIR. THEN THE CAR ALARM WENT OFF AND AT SOME POINT THE DOORS UNLOCKED THEMSELVES. POLICE AND I EXTINGUISHED FIRE, BUT THERE IS EXTENSIVE DAMAGE.