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:

    Opening/closing the glass sunroof and sliding visor together
    Press the switch twice in the desired direction past the resistance point. The glass sunroof and sliding visor move together. Pressing the switch again stops the motion. Convenient operat ...

    Turn signal, high beams, headlamp flasher
    Turn signal Using turn signals Press the lever beyond the resistance point. To switch off manually, press the lever to the resistance point. Unusually rapid flashing of the indicator lamp indi ...

    Maintenance
    The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery. Your service center will be glad to advise you on questions regarding the battery. ...