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. ...

Improved Room and Refinement
The new Subaru Impreza's wheelbase grows to 104.1 inches (compared to 103.2 in the outgoing model), while length and width measurements remain the same. The combination of a longer wheelbase with ...

Brake system warning light
WARNING ● Driving with the brake system warning light on is dangerous. This indicates your brake system may not be working properly. If the light remains illuminated, have the brakes insp ...