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:
Automatic deactivation during forward travel
The system switches off when a certain driving
distance or speed is exceeded.
Switch the system back on if necessary. ...
Adjusting the volume
Turn the volume button while giving an instruction
until the desired volume is set.
▷ The volume remains constant even if the
volume of other audio sources is changed.
▷ The volume i ...
Loss of the remote controls
Lost remote controls can be blocked by your
service center. ...