Subaru 2013 Legacy, 2013 Outback Owner's Manual page 413

11-6
Maintenance and service
! 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.