See also:

Breaking-in of new brake pads and linings
When replacing the brake pad or lining, use only genuine SUBARU parts. After replacement, the new parts must be broken in as follows: ...

Hill start assist OFF indicator light (STI)
While the Hill start assist system is deactivated, the Hill start assist OFF indicator light illuminates continuously to inform the driver that the Hill start assist system is not operational. ...

ON
This is the normal operating position after the engine is started. ...