Storing
1. Switch on the ignition.
2. Set the desired position.
3. 
Press the button. The LED in the
button lights up.
4. Press the desired button 1 or 2. The LED
goes out.
If the M button is pressed accidentally:
Press the button again.
The LED goes out.
See also:
Personal Profile settings
The following functions and settings can be
stored in a profile.
More information on the settings can be found
under:
Assigning the programmable memory buttons
▷ Response of the central l ...
Special destinations
General information
Even with the most current navigation data, information
regarding particular individual destinations
may have changed. For instance, certain
gas stations may not be operating.
...
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 ...