See also:

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

Driver’s SRS frontal airbag
The driver’s SRS frontal airbag uses a dual stage inflator. The inflator operates in different ways depending on the severity of impact. Have the system inspected by your SUBARU dealer immediately ...

Examples of the types of accidents in which the SRS curtain airbag is unlikely to deploy.
1) The vehicle is involved in an oblique side-on impact. 2) The vehicle is involved in a side-on impact in an area outside the vicinity of the passenger compartment. 3) The vehicle is involv ...