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:
Screw thread
Push out the cover by pressing on the top edge.
Front
Rear
...
Switching off automatically
The system switches off and the LED goes out:
▷ After approx. 33 ft/10 m when driving forward.
▷ After approx. 9 mph/15 km/h when driving
forward.
Switch on the system again if necess ...
Calling up information on the infodisplay
Press the onboard computer button on the turn
signal lever.
Information is displayed on the info display of the
instrument cluster. ...