New for 2012
E85 ethanol capability is now available for the 2.4-liter Ecotec
four-cylinder engine. A touch-screen CD stereo is standard on all models, and
GMC IntelliLink enables smartphone integration and the ability to stream music
from Pandora and other music services. The standard backup camera's image now
appears on the stereo's screen, and a lane departure and forward-collision
warning system is optional.
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 ...
Rear Climate Control System (Rear Climate Control Only)
A. Fan Control
B. Temperature Control
C. Air Delivery Mode Control
For vehicles with the rear climate control system, the controls are located on the rear of the center console. The system can al ...
Eight Way Power Seats
To adjust a power seat, if equipped:
○ Move the seat forward or rearward by sliding the control forward or rearward.
○ Raise or lower the front or rear part of the seat cushion by movi ...





