Subaru Forester: Brake booster - Brake system - Braking - Starting and operating - Subaru Forester Owner's ManualSubaru Forester: 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.

The brakes will continue to work even when the brake booster completely stops functioning. If this happens, however, you will have to push the pedal much harder than normal and the braking distance will increase.

    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. ...

    Brake assist system
    Do not be overconfident about the brake assist. It is not a system that brings more braking ability to the vehicle beyond its braking capability. Always use the utmost care when driving r ...

    See also:

    A/C – Air conditioner button
    A/C – Air conditioner button If the windshield starts to fog when the climate control system is operated in the AUTO mode, press the air conditioner button “A/C” to defog and dehumidify ...

    Transmission code designations
    You can find a transmission code on the Safety Compliance Certification Label. The following table tells you which transmission each code represents. ...

    Rear window defroster
    The rear defroster control is located on the climate control panel and works to clear the rear window of fog and thin ice. The engine must be running to operate the rear window defroster. Press ...