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:

    BMW Maintenance System
    The maintenance system directs you to required maintenance measures and thereby supports you in maintaining road safety and the operational reliability of the vehicle. ...

    Notes
    If the battery is discharged, an engine can be started using the battery of another vehicle and two jumper cables. Only use jumper cables with fully insulated clamp handles. To prevent personal ...

    Switching on/off
    Switching on/off Press button 1 on the steering wheel. ▷ On: lane markings 2 are lit. ▷ Off: lane markings 2 go out. The system can issue warnings at speeds above approx. 40 mph/65 ...