Switching the split screen on and off
1. 
Press the button.
2. "Split screen"
See also:
Service history
Perform maintenance work at the service center
and have them recorded in the vehicle data. The
entries are like a service booklet of the documentation
of regular maintenance.
Displaying entered ...
Deleting all stored programs
Press the two outer memory buttons for approx.
20 seconds until the LED flashes rapidly.
All stored programs are deleted.
The programs cannot be deleted individually ...
Hazard warning flashers
The button is located in the center console. ...