Had the dealer install an AUX input in my 05 convertible today when it was in for service. The labor they charged was sick but I guess I had no choice as I didnt want to mess with it myself. It was 39.95 for the input jack and 99 bucks for labor. I got it installed under the toggle switches so at least I'll be able to hide all my wires under there. Haven't played with it yet since I need to pick up a mini jack (what type do I need from my roady to the aux?) but basically you push the band button on the radio and it cycles to AUX.
Howard
Howard