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:

    Safety Locks
    The rear door safety locks prevent passengers from opening the rear doors from inside the vehicle. Press to activate the safety locks. The indicator light will illuminate. This switch also di ...

    Windows
    WARNING Leaving children, helpless adults, or pets in a vehicle with the windows closed is dangerous. They can be overcome by the extreme heat and suffer permanent injuries or even death from h ...

    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 ...