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 InspectionForced Ignition On [With Advanced Keyless Entry And Push Button Start System]
NOTE:
In order to perform a forced ignition ON, the M-MDS (IDS) is necessary. If
the servicing is being done outside of an Authorized Mazda dealership, contact
an Authorized Mazda dealership for instructions.
The forced ignition ON procedure forces a power supply to each part w ...
Lane Departure Warning System (LDWS)
The LDWS notifies the driver that the vehicle may be deviating from its
lane.
The system detects the white or yellow lines on the traffic lane using the
Forward Sensing
Camera (FSC). If it determines that the vehicle may be deviating from its lane,
it notifies
the driver by flashing the L ...
Using the charging schedule function
The Subaru Solterra allows AC charging to be conveniently scheduled
in advance, enabling drivers to optimize charging times according to their daily
routine and energy cost preferences.
■ Calendar settings
The charging schedule of the Subaru Solterra operates based on the date and time
con ...