See also:

ABS system self-check
Just after the vehicle is started, you may feel on the brake pedal a vibration similar to when the ABS operates, and you may also hear the sound of the ABS working from the engine compartment. ...

Unlocking the rear gate (Outback)
Pressing the “” button unlocks the rear gate. An electronic chirp will sound twice and the turn signal lights will flash twice. ...

ABS (Anti-lock Brake System)
The ABS system prevents the lock-up of wheels which may occur during sudden braking or braking on slippery road surfaces. This helps prevent the loss of steering control and directional stability cau ...