See also:

Sound output via speakers
In addition to the headphones, you can also play the sound via the vehicle speakers. 1. "CD/Multimedia" 2. "External devices" 3. "AUX rear" 4. "Volume" 5 ...

Controls
Controls 1 Display screen 2 Infrared interface for headphones 3 CD/DVD player 4 Headphone connection: jack plug 5 12 V sockets ...

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. ...