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:

    Example: dialing a phone number
    1. Briefly press the button on the steering wheel. 2. ›Dial number‹ The system says: »Please say the number« 3. E.g., ›123 456 790‹ The system says: »123 456 790. Continue? « 4. ›Dial‹ T ...

    Interior motion sensor
    The windows and glass sunroof must be closed for the system to function properly. ...

    Children on the front passenger seat
    Should it ever be necessary to use a child restraint fixing system in the front passenger seat, make sure that the front, knee and side airbags on the front passenger side are deactivated. Autom ...