Sierra 1500 2WD V8-5.3L Hybrid (2004)
2. Release the upper extension by pulling outward on the front edge in order to release the upper retainer clips.
3. Remove the upper extension from the trim panel by lifting up and out.
Installation Procedure
1. Position the lower retainer to the trim panel.
2. Align the upper retainer clips to the door frame.
3. Press inward on the upper extension until the clips fully engage securing the panel to the door.
