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.

    See also:

    Cargo & Towing
    The Yukon Denali is a spacious three-row SUV for people, but that's it. If there are six people and no cargo, the Yukon is a terrific place to be. If you have a lot of cargo — you know, like lug ...

    Audio System
    When using the in-vehicle Bluetooth system, sound comes through the vehicle's front audio system speakers and overrides the audio system. Use the audio system volume knob, during a call, to change the ...

    Infotainment Control Buttons
    The buttons on the faceplate are used to start primary functions while using the infotainment system. VOL/ (Volume/Power): 1. Press to turn the system on and off. 2. Turn to adjust the volume. ...