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 does not issue a warning if the turn signal is set before leaving the lane.

    See also:

    Switching off the engine
    Always take the remote control with you when you leave the vehicle. When parking, apply the parking brake forcefully; otherwise, the vehicle could begin to roll. Manual transmission1.  Wit ...

    Switching off
    Press the button repeatedly until the LEDs go out. ...

    Switching on/off manually
    Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. If Top View is displayed, switch on the backup camera via the iDrive, ...