Just because I am a masochist I have a new idea that I want to deep dive into.

My new sport wheel doesn't have the Recirc button that my old multi function wheel did, but it does have two useless buttons for the phone.
Since the plug for the two wheels is the same I was wondering what it would take to make the R/T button into a Recirc button.
As far as I know no sport wheels came with a recirc button.