See also:

Canceling the function for meter/gauge needle movement upon turning on the ignition switch
It is possible to activate or deactivate the movement of the meter needles and gauge needles that takes place when the ignition switch is turned to the “ON” position. 1. Turn the ignition switch ...

Dimensions
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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. ...