Found this recently:
http://www.axxessinterface.com/default.aspx
There are 2 models for the Mazda 5 that work. Apparently for the Axxess XIA-I01 you have to buy a separate adapter but it allows you to use the steering wheel controls with the iPod. I personally am interested in the Axxess...
I too would be very interested in this. I found all kinds in my VW Passat that I traded in on my Mazda 5. I was hoping for a trip computer or temp sensor (I have manual climate control) or something that would make me go "Hey... cool..."
One of my major pet peeves about cars is that there needs to be a constant power outlet in them. Unfortunately as a new (one week now) Mazda 5 owner I find that there is not only no constantly powered outlet but there is a severe lack of enough outlets. I'd like to wire my own or change the...