See also:

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 ...

California Fuel Requirements
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 i ...

Storing Radio Station Presets
There are a few ways to store presets. Up to 36 preset stations can be stored. AM, FM, and XM, if equipped, can be mixed. 1. From the AM, FM, or XM main page, press and hold one of the pre ...