Changing the scale
1. 
Select the symbol.
2. To change the scale: turn the controller.
Automatically scaled map scale
In the map view facing north, turn the controller in any direction until the AUTO scale is displayed.
The map shows the entire route between the current location and the destination.
See also:
System limits
Check the traffic situation as well
Check the traffic situation around the vehicle
with your own eyes. Otherwise, an accident
could result from road users or objects located
outside the pictu ...
Opening the Options menu
Press the button.
The "Options" menu is displayed.
Additional options: move the controller to the
right repeatedly until the "Options" menu is displayed.
Options menu ...
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. ...