The best method of replacing one of these kinds of headliners; is to replace it "in the car", unless a person is very handy with the tools and mechanically inclined. There are a lot of taking things a loose and to take apart when replacing the headliner in a Volvo with a moon roof. The can be avoided by replacing the headliner "in the car". The same method that works on this car (you can view it by clicking here) will work on the Volvo. However, the moonroof slider that is covered won't be recovered.