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.
See also:
For AT models
This light flashes if the vehicle is driven with tires of different diameters
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All new gearbox and Boxer engine
UK versions of the Subaru Impreza will be powered by an all new 4-cylinder
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Fan speed control button
The fan speed control button has 6 different fan speed positions. The fan speed
is shown by the display. ...