C 2500 Yukon XL 2WD V8-8.1L VIN G (2002)
7.
Install one support cover (4) on the head restraint support (1) with the support going through the hole in the cover.
8.
While holding the slit (3) in the seatback fabric open, begin sliding the cover down inside the seatback as shown.
9.
When the support cover (4) is all the way down on the head restraint support (1), fold (tilt) the head restraint support rearward as shown.