Selecting the display
1. 
Press the button.
2. "Split screen"
3. Move the controller until the split screen is selected.
4. Press the controller or select "Split screen content".
5. Select the desired menu item.
See also:
Controls
1 Change entertainment sources
2 Change station/track
3 Programmable memory buttons
4 Volume, on/off
5 Change wave band ...
Storing
1. Switch on the ignition.
2. Set the desired position.
3. Press the button. The LED in the
button lights up.
4. Press the desired button 1 or 2. The LED
goes out.
If the M button is pressed ...
Switching on/off manually
Press the button.
On: the LED lights up.
Off: the LED goes out.
...