Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.
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. ...
Traffic bulletins on the map
"Traffic conditions/gray map" active:
The Control Display changes to a black and
white display. This enables a better view of the
traffic bulletins. The day/night mode is disregarded
...
Radio
FM
AM
Satellite radio
Presets ...