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 ...

Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors r ...

Content Theft-Deterrent
Your vehicle is equipped with a content theft-deterrent alarm system. Here is how to operate the system: 1. Open the door. 2. Lock the door with the power door lock switch or the remote key ...