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:
Resetting values
The average fuel consumption and average
speed can be reset.
Press and hold the computer button on the turn
signal lever. ...
Speed Limit Info with No Passing Info display and Speed Limit Device
In combination with the navigation system Professional or Business, Speed
Limit Info helps alert drivers to the current speed limit on the road on which
they are travelling. The camera integrated ...
Switching the system on/off
Press the left or right side of the button
on the CD/DVD player in the rear for the
respective page.
Rear entertainment and screens are switched
on/off.
After switching off the ignition, ...