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 InspectionAdvanced Park cancelation/ suspension
■ Assistance will be canceled when
Under the following conditions, the Subaru Solterra Advanced Park system will
automatically terminate its operation. When this occurs, immediately take control
by firmly holding the steering wheel and pressing the brake pedal to safely stop
the Subaru Solt ...
i-ACTIVSENSE
i-ACTIVSENSE is a collective term covering a series of advanced safety and
driver support
systems which make use of a Forward Sensing Camera (FSC) and radar sensors.
These
systems consist of active safety and pre-crash safety systems.
These systems are designed to assist the driver in safer ...
Tire Pressure Monitoring System
The Tire Pressure Monitoring System (TPMS) monitors the air pressure of all
four tires. If
the air pressure of one or more tires is too low, the system warns the driver by
indicating the
tire pressure monitoring system warning light in the instrument cluster and
operating a beep
sound. The ...