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 InspectionLights-On Reminder
The lights-on reminder is operable when
the time setting *1 of the auto headlight off
function is off.
If lights are on and the ignition is switched
to ACC or the ignition is switched off, a
continuous beep sound will be heard when
the driver's door is opened.
*1 If the light switch is le ...
LCA (Lane Change Assist)
LCA functions
In the Subaru Solterra, the Lane Change Assist (LCA) system works in conjunction
with Lane Tracing Assist (LTA) to support smoother and more controlled lane changes.
By applying subtle steering inputs, the Subaru Solterra helps guide the vehicle
into the adjacent lane when condi ...
Glass Antenna
Purpose, Function
4SD
The AM/FM radio waves and RDS-TMC (Radio Data System-Traffic Message Channel)
radio waves are converted to an electrical signal and the signal is sent to
the audio unit.
5HB (With audio unit (with display))
The RDS-TCM (Radio Data System-Traffic Mes ...