NOTE:
A common reserve tank is used for the clutch system and brake system.
1. Verify that the clutch fluid is between the MIN mark and the MAX mark.

Verify that there is no clutch fluid leakage then add clutch fluid to the level between the MIN mark and the MAX mark..
SAE J1703 or FMVSS116 DOT-3
Clutch Disc Inspection [C66 M R]
Clutch Fluid Leakage Inspection [C66 M R]Starter Inspection [Mzr 2.0, Mzr 2.5]
On-vehicle Inspection
1. Verify that the battery is fully charged.
2. The starter is normal if it rotates smoothly and without any noise when the
engine is cranked.
If the starter does not operate, inspect the following:
Remove the starter, and inspect the starter unit.
...
Checking and replacing fuses
If any electrical system in your Subaru Solterra stops functioning,
it may be caused by a blown fuse. In such cases, inspect the fuse and replace it
if necessary to restore proper operation.
Checking and replacing fuses
1. Switch the power OFF in your Subaru Solterra completely before starting ...
Driver Side Air Bag Module Removal/Installation [Standard 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..
1. Switch the ignition to off.
2. Disconnect the negative batte ...