See also:

Two separate circuits
Your vehicle has two separate circuit brake systems. Each circuit works diagonally across the vehicle. If one circuit of the brake system should fail, the other half of the system still works. ...

Front passenger’s SRS frontal airbag
The front passenger’s SRS frontal airbag uses a dual stage inflator. The inflator operates in different ways depending on the severity of impact. The total load on the seat is monitored by the pass ...

Examples of the types of accidents in which it is possible that the SRS side airbag and the SRS curtain airbag will deploy (Outback).
1) Hitting a curb, edge of pavement or hard surface 2) Falling into or jumping over a deep hole 3) Landing hard or vehicle falling It is possible that the SRS side and curtain airbags will deploy ...