Auto Rear Defog

If equipped, this will allow you to turn the auto rear defog on or off.

This feature will automatically turn on the rear defogger when it is cold outside.

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

    See also:

    Chemical Paint Spotting
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    Exiting the Feature Settings Menu
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    Warranty
    OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information. ...