Rear wheel arch, remove the plastic rivets holding the liner outer edges.
Remove tail lights and reflector lights.
Here's how to remove the rear bumper.
Using plastic pry tool, peel back the wheel well molding to locate screws holding the bumper. Repeat on opposite side.
The bottom portion is held together by (6) screws.
Remove the screws behind the reflectors.
The entire bumper's top portion is held by clips. So gently unclip and separate starting from tail light.