Close the windows and glasssunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.
See also:
Requirements
▷ Subscription to the optional Convenience
Plan.
▷ The date setting on the Control Display is
current.
▷ The vehicle is located within wireless network
coverage. ...
Volume
"Speed volume": speed-dependent volume
control.
"PDC": volume of the PDC signal* compared
to the entertainment sound output.
"Gong": volume of the signal, su ...
Oil change
An oil change should be carried out by your
service center only.
...