[Nr!qUe]

I don't have Bluetooth in my car, so i have two dummy buttons on my steering wheel that don't do anything.
So can I rewire these dummy buttons to serve another function? such as:
-Activate defroster
-activate Auto Wiper
-Change the radio stations (edit: for the left side of the steering wheel)
-(insert other idea here)

I'm aiming for the changing of the audio selection because I keep the wheel in my left and shift with my right. I'd like to not have to bring my right hand to the wheel just to change the song, I'd rather just use my left hand, which is already on the steering wheel using the Bluetooth buttons that are useless in my car.
Its not an absolute necessity, but I think it'd be an interesting project.