1. Remove the rear seat cushion..
2. Remove the rear scuff plate..
3. Remove the tire house trim..
4. Open the cap.
5. Remove the screw.
6. Remove the fasteners.
7. Pull the trunk side upper trim in the direction of arrow, then detach the hooks and clips.

8. Install in the reverse order of removal.
Trunk Side Trim Removal/Installation
Trunk Lid Opener Switch InspectionB Pillar Upper Trim Removal/Installation
1. Remove the following parts:
a. Adjuster anchor cover.
b. Upper anchor installation bolts on the front seat belt.
c. Front scuff plate.
d. Rear scuff plate.
2. Partially peel back the seaming welt.
3. Remove the B-pillar lower trim..
4. Grasp the lower end of the B-pillar upper trim, ...
Rear seats
In the Subaru Solterra, rear seatbacks can be reclined or folded
using simple lever operations, providing flexibility for passenger comfort and cargo
space expansion.
Adjustment procedure
Pull the seatback angle adjustment lever A to adjust the angle of the Subaru
Solterra rear seatback.
...
Rear Drain Hose Installation
CAUTION:
If the rear drain hose is pinched or bent anywhere, the water in the hose
may not discharge and enter the inside of the vehicle. During and after installation
of the trims and the headliner, always make sure there is no interference with
the rear drain hose. Fix any problem ...