See also:

Instrument Panel Storage
This vehicle has an instrument panel storage area. To open the cover, press the button (A). This vehicle has an auxiliary input jack. See Auxiliary Devices on page 7‑36 for more information. ...

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 ...

Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer. If your vehicle has a diesel engine, see the Duramax diesel supplement for more informa ...