Climate Controls
The vehicle's heating, cooling, defrosting, and ventilation can be controlled with these systems.

Climate Control System
A. Fan Control
B. Air Delivery Mode Controls
C. Temperature Control
D. Outside Air
E. Front Defrost
F. Rear Window Defogger
G. Recirculation
H. Air Conditioning
Automatic Climate Control System

A. Fan Control
B. AUTO (Automatic Operation)
C. Air Delivery Mode Controls
D. Front Defrost
E. Recirculation
F. Temperature Control
G. Power
H. Driver and Passenger Heated Seats
I. Rear Window Defogger
J. Air Conditioning
See Climate Control Systems on page 8‑1 (If Equipped) or Automatic Climate Control System on page 8‑3 (If Equipped).
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 ...
Transfer Case Buttons
The vehicle will have one of these three styles of transfer case controls. Use these controls to shift into and out of the different Four-Wheel Drive modes.
Manual Transfer Case
This transfer ca ...
Engine Oil
To ensure proper engine performance and long life, careful attention must be paid to engine oil.
Following these simple, but important steps will help protect your investment:
• Always use engine ...





