I OWN A 2006 SCION XB. I NOTICED AN L SHAPED CRACK IN MY WINDSHIELD THE MORNING OF JAN.2, 2008. THE CRACK STARTS AT THE MIDDLE TOP OF THE WINDSHIELD BEHIND THE REAR VIEW MIRROR. I HAVE OWED THE CAR FOR 1.5 YEARS. THE NIGHT BEFORE THERE WAS NO CRACK. THE CRACK SEEMS TO BE INTERNAL IN THE GLASS. THERE ARE NO EXTERNAL CRACKS ON THE GLASS INSIDE AND OUT. THERE WAS NO EVENT THAT LED TO THE CRACKING. IT JUST APPEARED. THE DEALERSHIP WHERE I BOUGHT THE CAR WILL NOT REPLACE THE GLASS. MANY PEOPLE HAVE COMPLAINED OF A SIMILAR CRACK IN THESE CARS.*CN