See also:

Vehicle Dynamics Control mode switch (STI)
Indicator light Vehicle Dynamics Control mode switch When the switch is pressed briefly or for more than approximately 3 seconds during engine operation, the mode of the Vehicle Dynamics Control Sys ...

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

LOCK
The key can only be inserted or removed in this position. The ignition switch will lock the steering wheel when you remove the key. If turning the key is difficult, turn the steering wheel sl ...