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:

    Units of measure
    To set the respective units of measure, miles or km for the odometer and ℃ or ℉ for the external temperature. The setting is stored for the remote control currently in use. ...

    Adjusting
    Vehicle Equipment ...

    Front airbags
    Front airbags help protect the driver and front passenger by responding to frontal impacts in which safety belts alone cannot provide adequate restraint. ...