Originally Posted by Schram1
Does anyone know an easier way to make the volume buttons to work on a gt500 steering wheel. I heard you need an ids machine to make it work
There really isn't any other option. You need to have an ACM update done to tell your car that it should look for signals from the audio controls on the steering wheel. Most dealerships will do this for less than $100, many for less than $50, and a few will do it for free if you already have them do work for you at least occasionally.
Ford definitely could have made many of these sorts of changes less cumbersome for the home mechanic/modder, but there prime business is in cars that people rarely make significant changes to during their useful life. Designing to support our community would probably raise prices...