Menu navigation
You can use the thumbwheel and buttons 1 to navigate through the menus.
▷ Turn the thumbwheel: select a menu item.
▷ Press the arrow buttons: change between
fields.
▷ 
Press the button: activate the
menu item.
See also:
On/off and tone
The following audio and video sources share the same control elements and adjustments:
> Radio
> CD/DVD player
> CD changer
> Video
> External devices, e.g. MP3 player ...
Operating principle
With the ignition at radio readiness or beyond, , the following message is displayed
on the Control Display:
To hide the message: Press the controller.
The main menu is displayed.
The message i ...
Malfunction
HDC is temporarily unavailable in the following
situations due to a high brake temperature:
▷ The LED in the button and the display HDC
go out during HDC operation.
▷ The LED in the ...