Ok, im planning on putting the CQ-VD6503U in my 2007 sierra CC. I have onstar, BOSE,steering wheel controls, and rear audio . What all do i need to keep everything functional? Thanks in advance.:shake:
A forum community dedicated to GMC and Chevy full size owners and enthusiasts. Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and more!