A little more, now that I can see what is going on. Most of the control is from the front switches, you kind of get high, middle and low lighting with those three switches. One of the rear switches turns everything off, assuming that when you are in bed, you want to turn off all of the lighting in the front of the coach. The other switch controls the bedroom window valance and the lighted overhead mirror (the wife kind of freaked out when I drove the coach home last year and she saw the ceiling mirrors). The underbed lighting is controlled from the front. I assume this was an option, probably cost a lot, amazing how many lights, wires, switches, relays are part of the system. And also any of these systems would be customized to fit to the floorplan you got. I have had the coach for 9 months and just got around to diving in to figure this out.