2017 GMC Yukon Denali XL, GCC Specifications (Rear Entertainment Package) Ext: Black Int: Black, Wooden Trims Dashboard, Door Panels and Center Console. 12-way Power Memorized and Ventilated Seats, Power tilt and telescopic steering wheel, Adaptive Cruise Control, Magnetic Ride Control, Electric Deployable Side Steps, 22'' alloy wheels, Dual-zone automatic air conditioning, Rear Seat DVD Headphones, 8" colour touch screen, Speed-sensitive volume control, Cargo Management System, Courtesy light with theater dimming, Illuminated vanity mirror, Heated steering wheel, Naviga