i HAVE DONE TWO YOU HAVE TO TAKE OUT A QUTER GLASS BUT IT IS EASY PULL OUT W/S TURN THE PLASTIC CAM LOCKS PULL OFF W/S RETAINER PULLLOOSE TRIM AROUND GLASS TAKE OF TWO NUTS BOTTOM IS A ADJUSMENT SO HOLD CENTER RELEASE WINDOW CLIPS PULL GLASS HEADLINER WILL COME OUT THE SIDE .