See also:

How OnStar® Service Works
In order to provide you with OnStar® services, your vehicle’s OnStar® system has the capability of recording and transmitting vehicle information. This information is automatically sent to an ...

Door Locks
To lock or unlock the door from outside the vehicle, press on the Remote Keyless Entry (RKE) transmitter or use the key in the driver door. From inside the vehicle with the doors locked, pull onc ...

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 ...