THE CAR WAS SHUT DOWN FOR 1 1/2 HOURS AND SITTING IN A PARKING LOT WITH NOTHING RUNNING OR ON. WHEN THE CAR WAS STARTED AS NORMAL, THERE WAS AN ODD SOUND COMING FROM UNDER THE HOOD. I POPPED THE HOOD AND NOTICED SMOKE COMING FROM THE ALTERNATOR. I SHUT THE CAR DOWN AND BLACK SMOKE WAS COMING FROM THE ALTERNATOR. I HEARD POPPING AND SIZZLING COMING FROM THE ALTERNATOR.