See also:

Windshield washer fluid warning light
This light illuminates when the fluid level in the windshield washer fluid tank decreases to the lower limit (approximately 0.6 US qt, 0.6 liter, 0.5 Imp qt). ...

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 the SRS curtain airbag will most likely deploy.
1) A severe side impact near the front seat or the rear seat activates the SRS curtain airbag. 2) The vehicle rolls onto its side or the roof. 3) If the angle of vehicle tip-up is marginal o ...