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. ...

Communication
All of the options available to you for mobile communication with family, friends, business partners, and service providers are described in this chapter. ...

Remove unnecessary cargo
Additional weight increases fuel consumption. ...