Auto Defog

This will allow you to turn the auto defog on or off. Only vehicles with the dual zone climate control will have this option.

Press SELECT when Auto Defog is highlighted to open the menu. Turn the Menu knob to highlight On or Off. Press SELECT to confirm the selection. Press the last menu. BACK to move to the last menu.

    See also:

    Retained Accessory Power (RAP)
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    Transferring Service
    Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has chan ...

    Chemical Paint Spotting
    Some weather and atmospheric conditions can create a chemical fallout. Airborne pollutants can fall upon and attack painted surfaces on the vehicle. This damage can take two forms: blotchy, ring-shape ...