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. ...

Inserting/removing the snap-in adapter
1. Press button 1 and remove the cover. 2. Insert the snap-in adapter at the front, arrow 1, and press down, arrow 2, until it engages. To remove the snap-in adapter: press button 1. Insert ...

Remove attached parts following use
Remove unneeded auxiliary mirrors, roof or rear luggage racks after use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...