FRONT GLASS PANEL ON THE PANORAMIC GLASS ROOF SPONTANEOUSLY EXPLODED ON FLAT STRAIGHT STRETCH OF HIGHWAY AT 75 MPH. ALL WINDOWS WERE CLOSED, NO RADIO PLAYING, NO FORWARD TRAFFIC OR WIND TO PRODUCE AIRBORNE ROAD DEBRIS. THE ORIGINAL FACTORY ROOF WAS NOT MADE WITH LAMINATED GLASS PRODUCING A DEAFENING EXPLOSIVE SHOWER OF GLASS PIECES. PANORAMIC SUNROOF NOT COVERED UNDER REGULAR GLASS INSURANCE, REQUIRED AN EXPENSIVE AUTO CLAIM TO REPLACE.