Go to section 9-9 in the In-Touch manual for the instructions on split screen, if you are already doing these steps and it still isn't working, may be a bug??
Page 2-27 in the regular users manual for the vehicle information display. Obviously, nothing will show in the display if you don't have a destination set. Looks like its simply using the VID buttons on the steering wheel to toggle through all of the available options on the screen. Again, if that isn't working,might be a bug.
Just to warn you - Instructions in manual, aren't super great for some of these things,