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:
Volume
▷ "Speed volume": speed-dependent volume
control.
▷ "PDC": volume of the PDC signal compared
to the entertainment sound output.
▷ "Gong": volume o ...
Switching off automatically
The system switches off and the LED goes out:
After approx. 33 ft/10 m when driving forward.
Above approx. 9 mph/15 km/h when driving
forward.
Switch on the system again if necessary. ...
Resetting values
The average fuel consumption and average
speed can be reset.
Press and hold the computer button on the turn
signal lever. ...