The top and side trim pieces can be removed without tools, but the bottom trim piece requires a Phillips-head screwdriver.
To remove the upper part of the rear door trim…

1. …pull the top part towards you, removing its clips from the holes in the inner door panel.
2. Install the upper part of the tailgate trim in the reverse order of removal.
To remove the lower part of the rear door trim do the following.

1. Remove one screw securing the lower part of the trim to the lower end of the door on the left…

2. …and on the right...

3. …then remove the lower part of the tailgate trim, overcoming the elastic resistance of its nine holders (shown by arrows).
4. Install the lower part of the tailgate trim in the reverse order of removal.
To remove the side trim of the rear door do the following.
1. Remove the top and bottom trim (see above in this subsection).

2. Remove the upper end of the luggage compartment shelf lifting cord from the holder.

3. Pull the side part of the trim towards you, removing the clips from the holes in the inner door panel, and remove it. Remove the second side part of the trim in the same way.
4. Install the side parts of the tailgate trim in the reverse order of removal.