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:
Malfunction
In the event of a failure or malfunction of the
parking brake, secure the vehicle against rolling
using a wheel chock, for example, when leaving
it. ...
Audio playback
Selecting a track using the buttonPress the
button for the appropriate direction as often as
necessary until the desired track is reached.
Selecting a track using iDriveAudio CDs
1. " ...
Switching on/off
Switching on/off
Press the button. ...