1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Upper panel.
b. Shift lever knob (MTX).
c. Selector lever knob (ATX).
d. Shift panel.
e. Side wall.
f. Console.
g. Auxiliary jack.
3. Connect a commercially-available nonresistant plug to the auxiliary jack.

4. Verify that the continuity between the auxiliary jack terminals is as indicated in the table.

If not as indicated in the table, replace the auxiliary jack.
Audio Unit Removal/Installation
Auxiliary Jack Removal/InstallationSpark Plug Inspection [Skyactiv G 2.0]
Specification
Spark plug type
PE01-18110, PE02-18110, PE5R-18110, PE5S-18110
Plug Gap Inspection
CAUTION:
To avoid possible damage to the tip, do not adjust the plug gap.
To prevent damaging the tip, use a wire type plug gap gauge when inspecting
the plug gap.
...
Replacing the tire
When performing tire replacement on the Subaru Solterra yourself,
it is essential to prepare all required tools in advance and ensure that a suitable
jack is available for safe operation.
The Subaru Solterra is designed with a wheel bolt fastening system.
When reinstalling wheels originally ...
Coupler Component Removal/Installation [Fw6 A EL]
WARNING:
A hot transaxle and ATF can cause severe burns. Turn off the engine and wait
until they are cool.
Always wear protective eye wear when using the air compressor. If the air
compressor is used, any particles of dirt or soiling could spatter and get into
the eyes.
...