I HAD MY SUNROOF OPEN. A LARGE FLAT METAL ROD FELL OUT OF IT AND HIT ME ON THE HEAD. THE ROD IS ABOUT 3 FEET LONG AND WEIGHTS ABOUT 2-4 POUNDS. IT IS LIKE A CROWBAR IN COLOR, WEIGHT AND THICKNESS, BUT IT IS FLAT AND STRAIGHT.*AK I HAVE SINCE FOUND OUT THAT IT IS THE PIECE ATTACHED TO THE INNER RIM OF THE SUNROOF. THE DEALER CALLED IT A SUNROOF BRAKE. IT APPEARS TO HAVE BEEN HELD IN PLACE BY DOUBLE STICK TAPE. I HAD A SLIGHT BUMP ON MY HEAD AND I HAVE HAD HEADACHES. I WAS VERY STARTLED. AT FIRST I THOUGHT IT FELL OFF A TRUCK OR POWER LINE, NOT MY OWN CAR. MY CAR MODEL IS AN S80, BUT IT ISN'T IN YOUR LIST OF CHOICES.