Anyone seen this yet, looks like it just came out and will do everything when swapping head units. Am I reading it correctly? Steering wheel, onstar, rse, wireless headphones?
http://pac-audio.com/products/productsCatagory.asp?mmSearch=OnStar Interface#OS-4
http://pac-audio.com/products/productsCatagory.asp?mmSearch=OnStar Interface#OS-4