Subaru Forester 2016 Owner's Manual page 516

11-6
Maintenance and service/Maintenance tips
Type C clips
1. Turn the clip counterclockwise using a
Phillips screwdriver until the center portion
of the clip is raised.
2. Remove the entire clip by pulling it up.
Reinstalling clips
Type A clips
Type B clips
Type C clips
Insert the clip without the center portion
first and then push the center portion of
the clip into the hole.