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:
Deleting all stored programs
Press the two outer memory buttons for approx.
20 seconds until the LED flashes rapidly.
All stored programs are deleted.
The programs cannot be deleted individually ...
Controls at a glance
Controls
1. Control Display
2. Controller with buttons
You can use the buttons to open the menus directly. The controller can be used to
select the menu items and create settings.
...
Driving tips
This section provides you with information useful
in dealing with specific driving and operating
conditions. ...