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Display Function
Each time the temperature, mode, or fan control buttons are pressed, the climate control display shows that function along with the inside temperature setting. The outside temperature is displayed on ...

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 ...

Infotainment
Determine which radio the vehicle has and read the following pages to become familiar with its features. WARNING Taking your eyes off the road for extended periods could cause a crash resulting in i ...