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:
Thigh support
Pull the lever at the front of the seat and adjust
the thigh support. ...
Following part replacement
The same breaking in procedures should be observed
if any of the components mentioned
above have to be renewed in the course of the
vehicle's operating life. ...
Deleting the button assignments
1. Press buttons 1 and 8 simultaneously for
approx. five seconds.
2. "OK" ...