Interior Lighting
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Powertrain details
The GMC Sierra All Terrain HD concept is propelled by the new, production
6.6L Duramax turbo-diesel V-8 and Allison 1000 six-speed automatic transmission
powertrain combination offered in the 2011 ...
Power Mirrors
Base Model
To adjust the mirrors:
1. Press or
to select a mirror.
2. Press the control pad to adjust the mirror.
3. Return the switch to the center to deselect the mirror.
Uplevel Model
T ...
Environmental Concerns
• Always use established trails, roads, and areas that have been set aside for public off-road recreational driving and obey all posted regulations.
• Do not damage shrubs, flowers, trees, or gra ...





