See also:

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 ...

Extending Engine Run Time
To extend the engine run time by 10 minutes, repeat Steps 1 through 3 while the engine is still running. The engine run time can only be extended if it is the first remote start since the vehicle has ...

When the System Does Not Seem To Work Properly
The rear vision camera system might not work properly or display a clear image if: • The RVC is turned off. See “Turning the Rear Camera System On or Off” earlier in this section. • It is d ...