DeVille DHS V8-4.6L VIN Y (2000)
4. Remove the front half of the shoulder belt adjuster post trim (2) by removing the 3 fasteners (1) from the cover.
5. Remove the seat back cover J channels from the top and from both sides of the seat back.
6. Remove the seat cover from the upper trim retainer (2).
7. Remove the 2 fasteners (1) from the upper trim retainer (2).
8. Separate the upper trim retainer halves and remove both halves of the upper trim retainer from the seat.