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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 ...

Global Off
Depending on the infotainment system, the RSE system may have a Global Off feature. The Global Off feature disables all RSE system features. Press and hold the radio power button for more than thr ...

Fuel Gauge
Metric English When the ignition is on, the fuel gauge shows how much fuel is left in the tank. An arrow in the fuel gauge indicates the side of the vehicle the fuel door is on. The gauge will ...