I just got a reply on another forum and was sent to this YouTube link:
http://redirect.viglink.com/?format=...%20-%20YouTube
Using this video I got into my center console and switched my defective seat warmer control out with a $50 eBay used part in about 20 minutes. Everything now works great. BTW, my situation was that the little indicator lights on the control were acting strangely, so I diagnosed my problem as the switch as opposed to the seat wires. I got lucky, and all is good. I imagine the dealer would have hit me pretty hard to put in one of their replacements.