Remove the rear bumper.

Remove the finisher from both sides.

Remove the clips, then separate the rear bumper upper face (A) and the rear bumper lower face (B).

If necessary, remove the screws, and release the hooks (A), then remove the rear bumper lower garnish (B) from the rear bumper lower face (C).

Reassemble the bumper faces in the reverse order of disassembly, and push the clips and the hooks into place securely.