See also:

Brake booster
The brake booster uses engine manifold vacuum to assist braking force. Do not turn off the engine while driving because that will turn off the brake booster, resulting in poor braking power. ...

SI-DRIVE selector
When you rotate the SI-DRIVE selector to the left, the current SI-DRIVE mode changes to Sport (S) mode. When you rotate it to the right, the mode changes to Sport Sharp (S#) mode, and when you push it ...

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 ...