See also:

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 ...

Possible commands
Having possible commands read aloud   Briefly press the button on the steering wheel. ›Help‹. Possible commands are announced. The digits from zero to nine are recognized. The digits can ...

Adjusting
Vehicle Equipment ...