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:
Tire Chains
WARNING Do not use tire chains. There is not enough clearance. Tire chains used
on a vehicle without the proper amount of clearance can cause damage to the brakes,
suspension or other vehicle part ...
How to Reset the Engine Oil Life System
Reset the system whenever the engine oil is changed so that the system can calculate the next engine oil change. To reset the system:
If the vehicle does not have Driver Information Center (DIC) butt ...
Different Size Tires and Wheels
If wheels or tires are installed that are a different size than the original equipment wheels and tires, vehicle performance, including its braking, ride and handling characteristics, stability, and r ...