Using a suitable flat blade tool, gently
pry off the adjusting knob (1) from the seat back (2).
Detach the rear of the outer trim panel
(1) from the hinge assembly (2), by pushing the side cover down, and prying the bottom
of the cover away from the hinge assembly.
Using your finger press the trim panel retaining
tang (1) down and slide the trim towards the front of the seat.