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. ...

Safety
The 2010 Subaru Outback has been named a 2010 Top Safety Pick by the Insurance Institute for Highway Safety. To earn this award, a car must get the top score of Good in frontal-offset, side-impact ...

Airflow selection
Airflow selection ...