Ran into a potentially serious problem with the Marquis today.
First, let me say that I realize that this problem has a narrow application: Those with the Onyx floorplan.
As you can see on the attached floorplan, this is essentially a "side aisler" - wherein you access the bedroom from the front of the coach by traversing a narrow passage between the curb side slide out (which houses a closet and the washer/dryer) and the bathroom. When the slide out is open, there is plenty of room to get in to the bedroom.
When the slide out is closed however, the passage is effectively cut in half. You can only enter the bedroom by turning sideways and squeezing through.
If you close the slide with the bathroom door all the way swung open to the left into the narrow space, it is trapped there by the slide, it cuts the passage in half again, and thereby makes it impossible to get out of the bedroom.
I was getting ready to move the coach, and had started the engine when I realized that I had left the bedroom slides open (It's hell to get old). I walked back to the bedroom where the slide controls are, and closed both bedroom slides. I then noticed that I had left the bathroom door open, preventing me from getting out.
The perfect storm was completed when I found out that (unlike my Monaco) the slides are wired such that they will close with the engine running, but will not open (the Monaco's slides won't open or close with the engine running). Once I closed the slide, I was trapped in the bedroom.
One of the bedroom windows is an emergency exit and if the problem had become life or death, I could have gotten out eventually. The window is easily 7 feet off the deck, and is heavy. An older person might not be able to manage it, or at best, could be injured falling while trying to climb out of it.
Fortunately, I had my cell phone and called my buddy to rescue me. I'm sure you will be able to read all about it on his Facebook page tomorrow.
Seriously, an older person, in this situation, with no cell phone, might be really stuck. This is a major design fault with this coach. If you have an Onyx, be warned.