1. Disconnect the brake fluid level sensor connector from the master cylinder.
2. Inspect for continuity according to fluid level between the brake fluid level sensor terminals.

If not as indicated in the table, replace the reserve tank.

Brake Switch InspectionRCD (Rear Camera Detection)
When reversing the Subaru Solterra, the rear camera detection system
actively monitors the area behind the vehicle and is capable of identifying pedestrians
within its coverage zone.
If a pedestrian is recognized, the Subaru Solterra immediately alerts
the driver by sounding an audible warnin ...
Precaution [ABS]
1. Any one or a combination of the ABS warning and brake system warning lights
illuminates even when the system is normal.
Warning lights that may illuminate and/or flash
Cases in which the light may illuminate
Conditions in which the light will go ou ...
Heater, Ventilation And Air Conditioning
Abbreviation
A/C
Air Conditioning
Features
The full-auto air conditioner has been adopted for vehicles with SKYACTIV-G
2.0.
Specifications
Full-auto air conditioner
Basic system
Item
Specification
...