Issuing a warning

If the vehicle begins leaving the lane and a lane marking has been detected, the steering wheel begins vibrating.

If the turn signal is set before the lane is changed, a warning is not issued.

Canceling a warning

The warning is canceled:

▷ Automatically after approx. 3 seconds.
▷ After the vehicle returns to its lane.

▷ During heavy brake application.
▷ When the turn signal flashes.

    See also:

    Priority options
    The driver has priority The source selected via iDrive in the front is output on the vehicle loudspeakers and can be selected but not operated from the rear. Other audio or video sources ...

    Radar sensor
    Position Radar sensor Dirty or covered sensor A dirty or covered sensor may hinder the detection of vehicles. If necessary, clean the radar sensor. Remove layers of snow and ice carefull ...

    Switching off automatically
    The system switches off and the LED goes out: ▷ After approx. 33 ft/10 m when driving forward. ▷ After approx. 9 mph/15 km/h when driving forward. Switch on the system again if necess ...