See also:

Remove unnecessary cargo
Additional weight increases fuel consumption. ...

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. ...

Example: dialing a phone number
1. Briefly press the button on the steering wheel. 2. ›Dial number‹ The system says: »Please say the number«. 3. For instance, ›123 456 790‹ The system says: »123 456 790. Continue?   ...