chugbug

I have a 2014 Q7, S-line. TDI it did not come with heated steering wheel, and I wondered if the dead button on the steering wheel, could be replaced with the heated steering button, and if all the wheels were pre-wired for it, some got the button, some didn't. I know I have had vehicles in the past that I bought without fog lights, but all the vehicles where wired for them, so I just bought from the dealer, and installed myself.

just wondering

gb