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 InspectionOpening/closing the back door (vehicles without power back door)
■ Open
In the Subaru Solterra, the back door can be manually opened by lifting it upward
while pressing the back door opener switch. This action releases the latch and allows
smooth access to the luggage compartment.
■ Close
To close the Subaru Solterra back door, gently pull it dow ...
Rear Window Glass Installation
WARNING:
Using a utility knife with bare hands can cause injury. Always wear gloves
when using a utility knife.
CAUTION:
Proper installation of the glass may be difficult if sealant is cracked or
the glass is pushed out by air pressure when a door is opened/closed with al ...
Front Seat Cover Removal/Installation [Vehicles Without Power Seat System]
WARNING:
Handling a front seat (with built-in side air bag) improperly can accidentally
operate (deploy) the air bag, which may seriously injure you. Read the service
warnings before handling a front seat (with built-in side air bag)..
CAUTION:
After removing a front seat ...