See also:

California Fuel
If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this fuel ...

Coverage
Services are provided up to 5 years/100,000 miles (160 000 km), whichever comes first. In the U.S., anyone driving the vehicle is covered. In Canada, a person driving the vehicle without permissi ...

How OnStar Service Works
: This blue button connects you to a specially trained OnStar advisor to verify your account information and to answer questions. : Push this red emergency button to get priority help fro ...