TL*THE CONTACT OWNS A 1999 LINCOLN NAVIGATOR. AFTER DRIVING AND PARKING THE VEHICLE, IT EXPLODED. THE CONTACT NOTICED BLACK SMOKE AND A FIREBALL, AND THEN THE WINDOWS BLEW OUT. THE POLICE OFFICER STATED THAT THE ORIGIN OF THE FAILURE COULD NEVER BE DETERMINED BECAUSE EVERYTHING WAS BURNED TO THE GROUND, INCLUDING THE TRANSMISSION AND ENGINE. IT WAS NOTICED, HOWEVER, THAT THE FIRE SEEMED TO HAVE STARTED FROM THE FRONT END. BEFORE SHE EXITED THE VEHICLE, THE CONTACT DID NOT NOTICE ANY WARNING LIGHTS OR SIGNS OF OVERHEATING PRIOR TO THE MALFUNCTION. A POLICE REPORT WAS FILED. SHE CONSULTED THE MANUFACTURER AND WAS ADVISED TO CALL BACK. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 140,000.