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 gently. The system does not provide a warning if the turn signal is set before leaving the lane.

    See also:

    DTMF suffix dialing
    DTMF suffix dialing can be used for gaining access to network services or for controlling devices, e.g., to make a remote inquiry of an answering machine. The DTMF code is needed for this purpose. ...

    Transmitting the settings
    Your personal settings can be taken with you to another vehicle equipped with the Personal Profile function. For more information, contact your service center. Transmission takes place via: &# ...

    Remove unnecessary cargo
    Additional weight increases fuel consumption. ...