See also:

Saving the spoken instructions on the programmable memory buttons
The function for switching the spoken instructions on/off can be stored on a programmable memory button, for quick access. ...

General information
The system supports you in entering street names and house numbers by automatically completing the entry and providing entry comparisons Stored town/city and street names can be called up quick ...

What to do if...
Only a black screen is visible. Switch on the system. There are no options available on the screen. Switch over between the display screens. Radio stations or TV channels are grayed out ...