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 ...

Key lock-in prevention function
This function prevents the doors from being locked with the key still in the ignition switch. ...

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. The ...