I have a 09 XF Luxury, and have been hearing a rattle come from the roof for the past month. I couldn't for the life of me figure out what it was until last night.

I rolled the sunroof back and pulled down on the wind curtain thing that pops up and saw that there are two bolts that should screw the support panel that sits between the roof of the car, and the fabric headliner on the inside.

One of the bolts is completely gone. The other one has backed completely down, but not fallen out yet. Anyone else had this issue? What did you do to fix it?