DRIVING AUTO ON I-75 SOUTH NEAR FT. MYERS, FL, CAR ENGINE SPONTANEOUSLY CAUGHT FIRE. ENTIRE AUTO BURNED TO NOTHING BUT METAL. BOTH MYSELF AND MY WIFE WERE ABLE TO OPEN THE DOORS AND GET OUT ALTHOUGH ALL POWER WAS LOST AS WE WERE PULLING OVER THE SIDE OF THE HIGHWAY. WITHIN FOUR MINUTES THE CAR WAS COMPLETELY ENGULFED IN FIRE.