See also:

Malfunction
A Check Control message is displayed. The parking assistant failed. Have the system checked. ...

Adjusting volume
Turn knob 1next to the CD/DVD player until the desired volume is obtained. You can also adjust the volume with buttons on the steering wheel. ...

Saving the spoken instructions on the programmable memory buttons
The function for switching the spoken instructions on/off can be stored on a programmable memory button, for quick access. ...