See also:

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar sy ...

Problems with Route Guidance
Inappropriate route guidance may occur under one or more of the following conditions: You have not turned onto the road indicated. Route guidance may not be available when using automatic rerout ...

Programming Transmitters to the Vehicle
Only keyless entry transmitters programmed to the vehicle will work. If a transmitter is lost or stolen, a replacement can be purchased and programmed through your dealer. The vehicle can be re ...