See also:

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 ...

Range Selection Mode (Allison® Transmission or Hydra-Matic® 6-Speed Transmission)
The vehicle may have a Range Selection Mode. The Range Selection Mode helps control the vehicle's transmission and vehicle speed while driving down hill or towing a trailer by letting you select a d ...

Playing from an iPod
This feature supports the following iPod models: ○ iPod nano (1st, 2nd, 3rd, and 4th generation) ○ iPod with video (5.0 and 5.5 generation). Video is not shown; only audio is supported. ...