Rear window just won't stay clear

[JoshPope89]

So upon delivery of my new car I noticed in the ride home that I had swirl marks all the rear windshield. Have cleaned it twice with invisible glass. Once with the wipes which seemed to make it worse. Then once with the spray. Every other window looks great but the corners and near the third break light always seem to fog/swirl up. Any ideas on what that's about?
Thanks guys

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[WOPcivic]

There's a few threads you can check out about the rear window fogging up:

http://www.civicx.com/threads/rear-window-fogging-issue-poll.4806/

http://www.civicx.com/threads/rear-window-fogging-over-brake-light.4367/

It happens due to the degassing of the plastic materials in your car, and is accelerated when parked outside in the heat. I also have this problem and am having lots of trouble trying to keep my rear window clean, especially where the third brake light is.