Introduction
The names, logos, emblems, slogans, vehicle model names, and vehicle body designs appearing in this manual including, but not limited to, GM, the GM logo, GMC, the GMC Truck Emblem, and SIERRA are trademarks and/or service marks of General Motors LLC, its subsidiaries, affiliates, or licensors.
This manual describes features that may or may not be on your specific vehicle either because they are options that you did not purchase or due to changes subsequent to the printing of this owner manual.
Please refer to the purchase documentation relating to your specific vehicle to confirm each of the features found on your vehicle.
For vehicles first sold in Canada, substitute the name “General Motors of Canada Limited” for GMC Division wherever it appears in this manual.
If the vehicle has the Duramax® diesel engine, see the Duramax diesel supplement for additional and specific information on this engine.
If the vehicle is a hybrid, see the hybrid supplement for more information.
Keep this manual in the vehicle for quick reference.
See also:
General Information
Your vehicle is an important investment. This section describes the required
maintenance for the vehicle. Follow this schedule to help protect against major
repair expenses resulting from neglect ...
Air Conditioning
A/C (Air Conditioning): Press to turn the air conditioning on or off. If the
fan is turned off or the outside temperature falls below freezing, the air conditioning
will not work. When in AUTO, th ...
Chemical Paint Spotting
Airborne pollutants can fall upon and attack painted vehicle surfaces causing blotchy, ring-shaped discolorations, and small, irregular dark spots etched into the paint surface. ...