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:

    Ride & Handling
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    Low tire pressure message
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    Reference
    This chapter contains technical data, short commands for the voice activation system, and an index that will quickly take you to the information you need. ...