Hey at least they come down as far as they do. I once rode in an unairconditioned Chrysler Neon in Mexico once and the windows in the neon don't even come halfway down! Not good when the temp is over 100 degrees.
They come all the way down in my GP though!

Don't know about the Versailles, though. The window motors in back dont seem to work. At least the sunroof will provide some ventilation to those poor souls unfortunate enough to be riding in the back seat of that car!