See also:

Display visibility
The visibility of the displays in the Head-up Display is influenced by: Certain sitting positions. Objects on the cover of the Head-up Display. Sunglasses with certain polarization filters. ...

The concept
The voice activation system can be used to operate functions by means of spoken commands. Most menu items on the Control Display can be voiced as commands. The system prompts you to make ...

DTMF suffix dialing
DTMF suffix dialing can be used for gaining access to network services or for controlling devices, e.g., to make a remote inquiry of an answering machine. The DTMF code is needed for this purpose. ...