See also:

Automatic Operation
AUTO (Automatic): When automatic operation is active, the system controls the inside temperature, the air delivery, and the fan speed. Use the steps below to place the entire system in automatic mode ...

Before Driving Off-Road
○ Have all necessary maintenance and service work completed. ○ Fuel the vehicle, fill fluid levels, and check inflation pressure in all tires, including the spare, if equipped. ○ ...

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 ...