Subaru Forester: Braking / Brake system

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. If one circuit fails, the brake pedal will go down much closer to the floor than usual and you will need to press it down much harder. A much longer distance will be needed to stop the vehicle.

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. However, if this happens, you will have to depress the pedal much harder than during normal braking, and the braking distance will increase.

Supplemental booster function when vacuum pressure fails

While the ignition switch is turned “ON” and the engine is running, the supplemental booster function operates when the brake booster performance is decreased due to insufficient vacuum boost.

When the brake pedal is depressed while the supplemental booster function is operating, an operation sound and brake pedal vibration may be generated. This is not a malfunction.

Brake assist system

WARNING

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 regarding vehicle speed and safe distance.

CAUTION

When you need to brake suddenly, continue depressing the brake pedal strongly to bring the effect of the brake assist.

Brake assist is a driver assistance system. It assists the brake power when the driver cannot depress the brake pedal strongly and the brake power is insufficient. Brake assist generates the brake power according to the speed at which the driver depresses the brake pedal.

NOTE

When you depress the brake pedal strongly or suddenly, the following will occur. However, even though these occur, they do not indicate any malfunctions, and the brake assist system is operating properly.

You might feel that the brake pedal is applied by lighter force and generates a greater braking force.

You might hear an ABS operating noise from the engine compartment.

    Braking tips

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    Categories

    Outside temperature indicator

    The outside temperature is displayed on the multi-function display (color LCD).

    NOTE

    The outside temperature indicator shows the temperature around the sensor. However, the temperature may not be indicated correctly or the update may be delayed in the following conditions. While parking or driving at low speeds When the outside temperature changes suddenly (example: when going in and out of an underground parking area or when passing through a tunnel) When starting the engine after being parked for a certain period of time The temperature unit cannot be changed.

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