I looked in Chiltons. They dont have much info. All it says remove weather stripping and then the screws that hold the glass lol. What a crap manual.
what gen is your prelude? I just went to Google and there is a ton of info on how to remove the rear quarter glass.
you should just search on Google. check this thread there is some info here:
How to remove rear quarter windows (5th gen)
u need a special tool for this. There are also many things that can go wrong.
There are a few DIY online for this, but all the pics are no longer hosted.