Malfunction

comes on when the The warning lamp comes on when the system has failed.

A message appears on the Control Display. More information

    See also:

    Controls
    Almost all functions can be operated in the same manner as they are in the front. Special features of operating the system in the rear are described here. ...

    The concept
    This system issues a warning at speeds above approx. 40 mph/65 km/h if the vehicle is about to leave the lane on roads with lane markings. The steering wheel begins vibrating lightly. The system ...

    Issued warning
    If you leave the lane and if a lane marking has been detected, the steering wheel begins vibrating. If the turn signal is set before changing the lane, a warning is not issued. End of warning T ...