For 1990-2009 cars

### Removal Procedure

1. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement in Seats.
2. Remove the rear seatback. Refer to Rear Seat Back Replacement in Seats.
3. Remove the quarter trim panels. Refer to the following procedures in Interior Trim:

• | Rear Quarter Lower Trim Panel Replacement

• | Trim Panel Replacement - Rear Quarter

• | Rear Quarter Upper Trim Panel Replacement

4. Remove the retainers (3) (Buick only).
5. Slide the trim panel on the high mount stop lamp rearward in order to remove the trim panel from the rear window trim panel.
6. Remove the rear window trim panel while you release the rear shoulder seat belts from the panel through the slits.

### Installation Procedure

1. Install the rear window trim panel.
2. Insert the rear shoulder seat belts through the slits in the trim panel.
3. Slide the trim panel on the high mount stop lamp into the rear window trim panel.
4. Install the retainers (3) (Buick only).
5. Install the quarter trim panels. Refer to the following procedures in Interior Trim:

• | Rear Quarter Lower Trim Panel Replacement

• | Rear Quarter Upper Trim Panel Replacement

6. Install the rear seatback. Refer to Rear Quarter Lower Trim Panel Replacement in Seats.
7. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement in Seats.