VEHICLE HAD CHARGING SYSTEM LIGHT GO ON (BATTERY LIGHT). BATTERY WAS NOT CHARGING AND THERE WAS A NOISE NEAR THE ALTERNATOR. NEXT DAY, LIGHT GOES OFF, BATTERY IS CHARGING NOW, NO NOISE. TWO DAYS AND 40 MILES LATER, NO OTHER LIGHTS AND NO OTHER NOISE. VEHICLE ENTERS HIGHWAY, MAKES IT ABOUT 3 MILES WHEN THE CRUISE CONTROL SHUTS OFF. ALL LIGHTS ON THE DASH COME ON AND SHUT OFF. DRIVER PULLS OVER, STARTS TO SEE SMOKE COMING OUT FROM UNDER THE HOOD. KEEPS HOOD SHUT AND WAITS FOR EMERGENCY SERVICES TO ARRIVE ON SCENE. ENGINE GOES UP IN FLAMES, ALL SEATS ARE BURNED UP, WINDOWS BLOWN OUT, FRONT TIRES MELT. TOTAL LOSS.