Cabin Filter

Here are instructions for the 2007 model, I'm not sure if it is the same, but you'll be able to tell when you look at your vehicle: http://bit.ly/Rf1cI

Bret's link is correct for the 2008 Accord - this was quite an easy replacement.

This is pretty easy and Honda juist wants to charge you some bucks for it. Follow this steps shown on this video: http://www.youtube.com/watch?v=cixiCUAPr10 It's the same thing as your 2008 Honda Accord.