See also:

OnStar®
OnStar® uses several innovative technologies and live advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services. ...

Gasoline Octane
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, you may notice an audible knocking noise when you drive, commonly referred to as sp ...

Language
Press the customization button until LANGUAGE: ENGLISH appears in the display. To select your preference for display language, press the select button while LANGUAGE: ENGLISH is displayed on the ...