Heateed steering wheel

[WRMC]

Can anyone tell me what or how the heated steering wheel is controlled on my 2014 Yukon XL? There is nothing n the owners manual, but it is a listed option on the window sticker. Is it tied into the heated mirrors?

 

[NachoTahoe]

if your wheel looks like this pic.... then it there on the left

http://st.motortrend.com/uploads/sites/5/2013/08/2014-GMC-Sierra-1500-heated-steering-wheel.jpg