See also:

Repeating
To repeat a track/file, briefly press the following button (repeat button) while the track/file is playing. Each time you briefly press the button, the mode changes in the following sequences ...

Horn
Horn To sound the horn, push the horn pad. ...

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. ...