9-5 Sport Wagon (9600) L4-2.3L Turbo (B235) (2003)
1. Lower the backrest.
2. Remove the rear seat's head restraint (A), 1 screw.
3. Remove the speaker grille (B) (fastened with clips) in the parcel shelf.
4. Pull out the C-pillar trim (C) (fastened with 5 clips).