Calling up displays on the Assistance menu
The following displays are available on the Assistance menu:
Assistant display
Attention level More
To switch between the displays:
swipe upwards or downwards on the left-hand Touch Control. 
Status displays on the assistant display:
ATTENTION ASSIST switched off Light lane markings: Lane Keeping Assist enabled
Green lane markings: Lane Keeping Assist active
Active Distance Assist DISTRONIC displays More