See also:

Engine Drive Belt Routing
4.2L V6 Engine 5.3L V8 Engine ...

Receiving a Call
When an incoming call is received, the audio system mutes and a ring tone is heard in the vehicle. Press to answer the call. Press to ignore a call. ...

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. ...