See also:

COMAND controller
You can use the COMAND controller to select the menu items in the COMAND display. You can call up menus or lists, scroll through menus or lists and exit menus or lists. The COMAND controller c ...

Setting the side air vents
► To open/close: turn thumbwheel 3 to the left or right. Side window defroster vent 1 is never completely shut, even if side air vent 2 is shut. ...

Rejecting or ending a call
► Press the button on the steering wheel. If you are not in the Telephone menu, you can still accept a call. ...