New for 2012

E85 ethanol capability is now available for the 2.4-liter Ecotec four-cylinder engine. A touch-screen CD stereo is standard on all models, and GMC IntelliLink enables smartphone integration and the ability to stream music from Pandora and other music services. The standard backup camera's image now appears on the stereo's screen, and a lane departure and forward-collision warning system is optional.

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    Special Application Services
    ○ Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/ 3,000 mi. ○ Have underbody flushing service performed once a year. ...

    Under the Hood
    The Yukon is available with either rear- or four-wheel drive. The Yukon Denali can have an all-wheel-drive system that's distinct from the available part-time four-wheel drive on the regular Yukon ...

    Hydraulic Power Steering
    Your vehicle has hydraulic power steering. It may require maintenance. See Power Steering Fluid on page 10‑21. If power steering assist is lost due to a system malfunction, the vehicle can be s ...