1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Inspect for resistance and continuity between the seat warmer switch terminals using a tester.

If not as specified, replace the seat warmer switch.
Seat Track Position Sensor Removal/Installation [Two Step Deployment Control
System]
Seat Warmer Switch Removal/InstallationChecking tires
Regular inspection of the tires on your Subaru Solterra is essential for maintaining
safety, efficiency, and optimal driving performance. Begin by checking whether the
treadwear indicators are visible, as these serve as a clear signal of tire wear.
Additionally, carefully examine each tire for ...
Lighting Control
Headlights
Turn the headlight switch to turn the headlights, other exterior lights and
dashboard
illumination on or off.
When the lights are turned on, the lights-on indicator light in the instrument
cluster turns on.
NOTE
If the light switch is left on, the lights will automatical ...
Front Seat Removal/Installation
WARNING:
Handling a front seat (with built-in side air bag) improperly can accidentally
operate (deploy) the air bag, which may seriously injure you. Read the service
warnings before handling a front seat (with built-in side air bag)..
CAUTION:
After removing a front seat ...