See also:

Oil change
An oil change should be carried out by your service center only. ...

Terminating the voice activation system
Briefly press the button on the steering wheel or ›Cancel‹. ...

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 ...