See also:

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

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...

Example: playing back a CD
1. Switch on the Entertainment sound output if necessary. 2. Press the button on the steering wheel. 3. ›C D and multimedia‹ The medium last played is played back. 4. ›C D track ...‹ e.g., CD t ...