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. ...

Behavior with key lock-in prevention function operational
With the driver’s door open, the doors are automatically kept unlocked even if the front side of the power door locking switch is pressed. ...

Meter/Gauge needle illumination setting (turbo models except STI)
When the setting is activated or deactivated, the meter needles and gauge needles illuminate and turn off as follows. Activated: When the driver’s door is opened while the ignition switch is in the ...