Lay the flaps of headrest material down into the recess and insert the clamshell into the recess. Check for fit. If it does not fit properly, you may need to remove some more foam.
NOTE: The clamshell will need to be secured to the headrest, either by using tie straps, screws, ect..
If used, remove the clamshell and insert the IR transmitter and plug into the IR transmitter board. Reinsert the clamshell into the recess and secure using tie wraps or screws.
Plug the remaining connector into the monitor.
Turn the monitor around and insert it into the clamshell housing. Snap into place.
Connect the wiring to the video system and test.