See also:

Destination guidance through voice instructions
Switching voice instructions on/offVoice instructions can be switched on or off during destination guidance. 1.  "Navigation" 2.  "Map" 3.    "Voice ...

Switching off automatically
The system switches off and the LED goes out: After approx. 160 ft/50 m when driving forward. Above approx. 22 mph/36 km/h when driving forward. Switch on the system again if necessary. ...

HD Radio™ reception
Many stations broadcast both analog and digital signals. If a digital radio network is available, these stations can be received digitally and thus with better sound quality. License conditions ...