See also:

Using Voice Recognition
For vehicles equipped with the MyLink or IntelliLink infotainment system, see the separate MyLink/ IntelliLink Features and Functions Guide for more information. To use voice recognition, press the ...

Navigation
This display is used for the OnStar or Navigation System Turn-by-Turn guidance. See OnStar Overview or the navigation manual, if the vehicle has navigation, for more information. ...

SERVICE BRAKE ASSIST
This message may be displayed when there is a problem with the brake boost assist system. When this message is displayed, the brake boost assist motor might be heard operating and you might ...