See also:

Around the center console: controls and displays
1.  Coupe: microphone for voice activation systemand for telephonein hands-free mode Convertible: microphone on steering column 2.  SOS: initiating an Emergency Request call 3.  ...

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. ...

Malfunction
A message is displayed in the instrument cluster. HDC is not available, e.g., due to elevated brake temperatures. ...