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/InstallationHeating
Set the mode selector dial to the
position.
Set the air intake selector to the outside
air position.
Set the temperature control dial to the
hot position.
Set the fan control dial to the desired
speed.
If dehumidified heating is desired, turn
on the air conditioner.
NOTE
...
Towing
Proper lifting and towing are necessary to prevent damage to the vehicle.
Government and local laws must be followed.
A towed vehicle usually should have its drive wheel (front wheels) off the
ground. If excessive damage or other conditions prevent this, use wheel dollies.
...
Traffic Jam Assist
Function Outline
In the Subaru Solterra, Traffic Jam Assist is an advanced driver support feature
designed to reduce fatigue during congested driving conditions. After confirming
operating conditions, the system can assist with lane centering, controlled acceleration
and deceleration, as well ...