See also:

Continuing destination guidance
If the destination was not reached during the last trip, destination guidance can be resumed. "Resume guidance" ...

Switching off automatically
System switches off: above approx. 9 mph/ 15 km/h. Switch on the system again if necessary. ...

Close the windows and glasssunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...