See also:

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 syste ...

Activating HDC
Activating HDC Press the button; the LED above the button lights up. The LED flashes when the brakes are applied automatically. ...

Opening/closing the glass sunroof
With the sliding visor open, proceed as described under Sliding visor. ...