See also:

Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail GMC, the letter should be addressed to: United States GMC Customer Assistance ...

Filling the Tank
WARNING Fuel vapor burns violently and a fuel fire can cause bad injuries. To help avoid injuries to you and others, read and follow all the instructions on the fuel pump island. Turn off the eng ...

Capacities and Specifications
The following approximate capacities are given in metric and English conversions. See Recommended Fluids and Lubricants on page 11‑12 for more information. If the vehicle has a diesel engine, ...