WHEN DRIVING ON THE FREEWAY, VEHICLE LOST POWER AND SHUT OFF, SMELLED AND SAW SMOKE COMING FROM THE VENTS. PULLED TO SIDE OF ROAD AND OPENED HOOD TO CHECK ENGINE AND FLAMES SHOT OUT, CLOSED HOOD AND TRUCKERS RAN OVER WITH FIRE EXTINGUISHERS AND CALLED FIRE DEPARTMENT. WITHIN 5 MINUTES VEHICLE WAS TOTALLY ENGULFED AND FIRE DEPARTMENT HAD ARRIVED AND COULD ONLY PREVENT FLAMES FROM SPREADING TO SURROUNDING ENVIRONMENT. VEHICLE WAS TOTALLY CONSUMED BY THIS CATASTROPHIC FIRE. CALLED HYUNDAI CORPORATE OFFICES IN CALIFORNIA TO REPORT IT AS THE VEHICLE IS UNDER WARRANTY AND WAS ASKED 'WHAT DO YOU WANT US TO DO?'. RECEIVED THE IMPRESSION THAT THEY WERE NOT GOING TO DO ANYTHING ABOUT THIS.