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.
1. "Telephone".
2. Select the contact from a list or "Dial number".
3. 
"Keypad dialing".
4. Enter the DTMF code via iDrive.
See also:
Screw thread
Push out the cover by pressing on the top edge. ...
Switching on automatically
Select transmission position R with the engine
running. ...
Overview, instrument cluster with enhanced features
1. Messages, e.g. Check Control
Time
Date
2. Range
3. Computer
4. Navigation display
Service requirements
Miles/trip miles
5. Selection list, for instance radio
Current fuel consumpti ...