See also:

To enter the passive mode
If you wish to program the passive arming mode, have it done by your SUBARU dealer. ...

Hill start assist warning light (MT models – if equipped)/Hill start assist OFF indicator light (STI)
...

Activating and deactivating the alarm system
To change the setting of your vehicle’s alarm system for activation or deactivation, do the following. 1. Disarm the alarm system. Refer to “Disarming the system”. 2. Sit in the driver’s seat ...