OnStar LLC is a wholly-owned subsidiary of General Motors Company providing telematics services such as telecommunications, vehicle security, navigation, remote diagnostics, and internet access in General Motors vehicles.
The service is available in the United States, Canada, China, Mexico, Europe, Brazil and Argentina. In parts of Latin America outside of Mexico, Argentina and Brazil, the service is known as ChevyStar.
In 2014, OnStar was folded into a new General Motors technology department called Global Connected Customer, or GCC.
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