See also:

Sound output
Switching on/off When the ignition is switched off: press ON/OFF button on the radio. Muting When the ignition is switched on or the engine is running: press the ON/OFF button on the radio. ...

Avoid high engine speeds
Driving at a low engine speed reduces fuel consumption and minimizes wear. ...

Displaying messages
1. "Office". 2. "Messages" A symbol identifies the type of message. ...