Onstar(R) Operation

The "OnStar(R) operation is actually a combination of many different technologies working together to form the OnStar(R) Service.
^ Cellular Telephone Equipment with Handsfree Audio Processing.
^ Cellular Data Modem.
^ Global Positioning System (GPS) satellite navigation system.
^ GM Class 2 Electronic Communications between Vehicle Component Modules.
^ GM Universal Asynchronous Receiver Transmitter (UART) communications on vehicles with limited Class 2 communications.
^ Entertainment and Communications buss (E&C) Communication between vehicle entertainment and comfort modules.
^ Desktop computer software allowing the OnStar(R) Center advisors to send/receive data to the vehicle over the cellular modem.
^ Map software that allows the OnStar(R) Center to view the vehicle's exact location superimposed on a computer generated map.
^ Extensive database storage and retrieval capabilities to allow OnStar(R) Advisors the ability to quickly access requested information.