Close the windows and glass sunroof

Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.

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    The concept
    HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. The vehicle moves at approximately walking speed without braking intervention by the ...

    Opening the Options menu
    Press the button. The "Options" menu is displayed. Additional options: move the controller to the right repeatedly until the "Options" menu is displayed. Options menu The ...

    Deactivating HDC
    Press the button again; the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...