Switching the split screen on and off
1. 
Press the button.
2. "Split screen"
See also:
Switching off
The system can be deactivated as follows:
▷ Press the button.
▷ Switch off the ignition. ...
General information
Switch position: 0,
If the driver door is opened with the ignition
switched off, the exterior lighting is automatically
switched off at these switch settings: ...
The concept
▷ The mobile phone can be operated without
taking your hands from the steering wheel.
▷ In many cases, the entries are accompanied
by announcements or questions.
▷ ›...‹ Verbal ...