If you check out ebay there are a lot of kits to do this. A quick search and this
My 05 actually had the harness all set up. All I had to do was plug in the fog lights and replace the factory switch with a new factory one that had the pull out for the fogs.
Since you have an 06 once you do the install you might have to go to the dealer so they can basically tell the computer it has fog lights so use them! I could be wrong though. That might just be for the dash indicator.