Automatic Dimming Mirror

If the vehicle has the automatic dimming mirror, the driver outside mirror automatically adjusts for the glare of the headlamps from behind.

This feature is controlled by the on and off setting on the inside rearview mirror. See Automatic Dimming Rearview Mirror on page 2‑20 for more information.

    See also:

    Engine Overheating
    If the vehicle has the Duramax® Diesel engine, see the Duramax Diesel Supplement for more information. The vehicle has several indicators to warn of engine overheating. There is a coolant temperatu ...

    Climate Controls
    The vehicle's heating, cooling, defrosting, and ventilation can be controlled with these systems. Climate Control System A. Fan Control B. Air Delivery Mode Controls C. Temperature Control ...

    Entering the Feature Settings Menu
    1. Turn the ignition on and place the vehicle in P (Park). To avoid excessive drain on the battery, it is recommended that the headlamps are turned off. 2. Press the customization button to enter th ...