See also:

Gear shift indicator
The concept The system recommends the most fuel efficient gear in the current driving situation. Displays Indicators to shift up or down are displayed in the instrument cluster. ...

Example: dialing a phone number
1. Briefly press the button on the steering wheel. 2. ›Dial number‹ The system says: »Please say the number« 3. E.g., ›123 456 790‹ The system says: »123 456 790. Continue? « 4. ›Dial‹ T ...

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 purp ...