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, the air conditioning will come on automatically as needed.

the recirculation. Press to alternate between recirculation and outside air, if (Recirculation): Press to turn on the recirculation. Press to alternate between recirculation and outside air, if the vehicle does not have a separate outside air button.

The indicator light turns on when recirculation is selected. Air is recirculated inside the vehicle. It helps quickly cool the air inside the vehicle or prevent outside air and odors from entering.

to turn on the outside air. An indicator light comes on. Outside air is circulated(Outside Air, If Equipped): Press to turn on the outside air. An indicator light comes on. Outside air is circulated throughout the vehicle.

    See also:

    Heated and Ventilated Front Seats
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    Driver Safety Belt Reminder Light
    There is a driver safety belt reminder light on the instrument panel cluster. When the vehicle is started, this light flashes and a chime may come on to remind the driver to fasten their safety b ...

    Reporting Safety Defects to General Motors
    In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors. Call 1-800-GMC-8782 (1-800-462-8782), or write: GMC Customer Assistance Center P.O. Box ...