Malfunction

HDC is temporarily unavailable in the following situations due to a high brake temperature:

▷ The LED in the button and the display HDC go out during HDC operation.
▷ The LED in the button and the HDC display do not light up when the button is pressed.

    See also:

    General information
    Your vehicle contains advanced technology for the reduction of fuel consumption and emissions. Fuel consumption depends on a number of different factors. The implementation of certain measures, ...

    Initialization after a power failure
    After a power failure, it is only possible to raise the roof, if necessary. Have the system initialized by your service center. ...

    Engine oil temperature
    ▷ Cold engine: the pointer is at the low temperature end. Drive at moderate engine and vehicle speeds. ▷ Normal operating temperature: the pointer is in the middle or in the left ...