See also:

Messages after trip completion
Special messages that are displayed during driving are displayed again after the ignition is switched off. ...

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. ...

Switching the reception on/off
1. "Navigation" 2. "Options" Open. 3. "Receive Traffic Info" ...