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:

    Avoid high engine speeds
    Driving at a low engine speed reduces fuel consumption and minimizes wear. ...

    Speed limit
    Entry of a speed limit which, when reached, should cause a Check Control message to be issued. Renewed warning if the vehicle speed drops below the set speed limit once by at least 3 mph/ 5 k ...

    Parking brake
    The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels. Indicator lamp The indicator lamp is lit, and when you drive off a signal soun ...