On Exx and Fxx chassis cars, you needed a new clockspring which allowed power to the heated wheel. You also needed to run 12V and ground to the new clockspring. I don't know if that is all included in the G body cars now or not.
I would look up clocksprings on realoem and determine if there is a clockspring for option 248 (I believe 248 is for steering wheel heat).
If there's a seperate clockspring for option 248, you'll need to order a new clockspring too. It's easy to install - running the wiring is more of a pain than anything else.
If not, then the G is already pre-wired for a heated wheel which is great, you just need to code it into the vehicle order.
Chris
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'22 M5CS, '06 Z4M, '01 X5 4.4i, '00 M5, '05 Acura RL, '12 X6 3.5, '01 740, 08 335xi, '17 540xi (yes they all are still with me)
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