The concept

The system is functional at speeds beginning at approx. 20 mph/30 km/h.

It maintains the speed that was set using the control elements on the steering wheel.

The system brakes on downhill gradients if engine braking action is insufficient.

Do not use the system if unfavorable conditions Unfavorable conditions
Do not use the system if unfavorable conditions make it impossible to drive at a constant speed, for instance:
► On curvy roads.
► In heavy traffic.
► On slippery roads, in fog, snow or rain, or on a loose road surface.
Otherwise, you could lose control of the vehicle and cause an accident.◄

    See also:

    Text messages
    Text messages in combination with a symbol in the instrument cluster explain a Check Control message and the meaning of the indicator and warning lamps. ...

    Long-term vehicle storage
    Your service center can advise you on what to consider when storing the vehicle for longer than three months. ...

    Closing the windows and glass sunroof/panoramic glass sunroof
    Driving with the glass sunroof/panoramic glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...