See also:

The concept
The following can be operated using the buttons and the thumbwheel on the steering wheel: Current audio source. Redial on telephone*. Activation of the voice activation system*. ...

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

Child seat security
The rear safety belts and the front passenger safety belt can be locked against pulling out for mounting the child restraint fixing systems. Locking the safety belt 1. Pull out the belt webbin ...