See also:

Shift lock release
If the select lever cannot be operated, turn the ignition switch back to the “ON” position then move the select lever to the “P” position with the select lever button pressed and brake pedal depre ...

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. ...

Precautions against vehicle modification
To avoid accidental activation of the system or rendering the system inoperative, which may result in serious injury, no modifications should be made to any components or wiring of the SRS airbag ...