RIDING DOWN THE INTERSTATE AND HEARD A LOUD POP ALOMOST LIKE A GUN SHOT, NEXT THING I KNOW GLASS WAS FALLING ON ME, ON MY SEATS AND FLOORS. I LOOKED UP AND SUNROOF WAS SHATTERED, NOTHING CAUSED IT TO SHATTER NOTHING HIT IT. BUT OBVIOUSLY BASED ON OTHER COMPLAINTS AND HYUNDAI IT'S A DEFECT AND HYUNDAI ISN'T DOING FIX THE PROBLEM OR RECALL CAR