See also:

Requirements
Via the Control Display, set a language that is also supported by the voice activation system so that the spoken commands can be identified. Set the language. ...

Tone control
You can alter various tone settings, e.g. treble and bass or the speed-dependent volume increase. The tone settings are applied to all audio sources. The settings are stored for the remote control ...

Removing: Electrical* head restraints
Note Do not remove the rear head restraints. To avoid damage, they can only be installed by your service center. Removing Only remove the head restraint if no one will be sitting in the seat ...