See also:

Other bulbs
Other bulbs may be difficult to replace. We recommend that you have the bulbs replaced by your SUBARU dealer if necessary. ...

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

Examples of the types of accidents in which it is possible that the driver’s/driver’s and front passenger’s SRS frontal airbag(s) will deploy.
Only the driver’s SRS frontal airbag or both driver’s and front passenger’s SRS frontal airbags may be activated when the vehicle sustains a hard impact in the undercarriage area from the road surfa ...