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:
Displaying messages
1. "Office"
2. "Messages"
A symbol identifies the type of message.
...
Tachometer
Never force the engine speed up into the red warning field, see arrow. In this
range, the fuel supply is interrupted to protect the engine. ...
Mobility
In order to always ensure your mobility, you will
find important information on operating fluids,
wheels and tires, maintenance and Roadside
Assistance in the following. ...