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:
Look well ahead when driving
Avoid unnecessary acceleration and braking.
By maintaining a suitable distance to the vehicle
driving ahead of you.
Driving smoothly and looking ahead reduces
fuel consumption. ...
System limits
Be alert
Due to system limitations, warnings may
be not be issued at all, or may be issued late or
improperly. Therefore, always be alert and ready
to intervene; otherwise, there is the danger ...
Radio
FM
AM
Satellite radio
Stored stations
...