See also:

OnStar®
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview&nb ...

When the Light Is On Steady
This indicates that one or more of the tires are significantly underinflated. A Driver Information Center (DIC) tire pressure message may also display. See Tire Messages. Stop as soon as po ...

Manual Operation
(Fan Control): Press the up or down arrows to increase or decrease the fan speed Pressing this button when the system is off will turn the system on. Pressing either arrow while using automatic ...