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. ...

Damage to safety belts
In the case of strain caused by accidents or damage: Have the safety belts, including the safety belt tensioners, replaced and have the belt anchors checked. Checking and replacing safety bel ...

Close the windows and glasssunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...