1. Remove the upper panel..
2. Disconnect the parking brake switch connector.
3. Verify that the continuity is as indicated in the table.

If not as indicated in the table, replace the parking brake lever.

Parking Brake Lever Removal/InstallationLDA (Lane Departure Alert)
Basic functions
In the Subaru Solterra, the Lane Departure Alert (LDA) system is designed to
assist the driver by monitoring the vehicle’s position relative to lane markings
or road boundaries*. When the system detects a potential deviation, it provides
timely warnings and can also apply ge ...
Front Seat Slide Adjuster Removal/Installation
WARNING:
Handling the front seats improperly can accidentally deploy the side air
bag, which may seriously injure you. Read air bag system service warnings and
cautions before handling the front seats..
CAUTION:
After removing a front seat, do not operate the slider leve ...
Bass 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
...