Saving a function
1. Highlight the function via the iDrive.
2. 
Press
the desired button for more
than 2 seconds.
See also:
California Proposition 65 Warning
California laws require us to state the following
warning:
Engine exhaust and a wide variety of automobile
components and parts, including components
found in the interior furnishings in a vehi ...
Displaying the button assignment
Use a finger to touch the buttons. Do not wear
gloves or use objects.
The key assignment is displayed at the top edge
of the screen.
▷ To display short information: touch the button.
...
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. ...