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:

    Driving tips
    This chapter provides you with information useful in dealing with specific driving and operating modes. ...

    Using contact data
    At a glance Contact data from appointments, tasks, text messages, emails and notes can be stored or selected. Displaying contact or selecting phone number 1. "Use contact data". 2. ...

    Text messages
    Text messages at the upper edge of the Control Display explain the meaning of the displayed indicator and warning lamps. ...