1. Remove the fasteners, then remove the trunk lid trim.

2. Install in the reverse order of removal.
Rear Door Trim Removal/InstallationBass Box Inspection
1. Disconnect the negative battery cable..
2. Disconnect the connector..
3. Verify the resistance between bass-box terminals.
If not within the specification, replace the bass-box.
Resistance
0.9—1.1 ohms
...
Driver Side Air Bag Module Removal/Installation [Two Step Deployment Control
System]
WARNING:
Handling the air bag module improperly can accidentally deploy the air bag
module, which may seriously injure you. Read the air bag system service warnings
and cautions before handling the air bag module..
Due to the adoption of 2-step deployment control in the driver- ...
If a warning message is displayed
The multi-information display of the Subaru Solterra provides important
alerts related to system malfunctions, incorrect operations, and maintenance requirements.
These messages are designed to help the driver quickly identify and respond to potential
issues.
Whenever a warning message appe ...