See also:

How OnStar Service Works
Push this blue button to connect to a specially trained OnStar Advisor to verify your account information and to answer questions. Push this red emergency button to get priority help from specially ...

Vehicle Personalization
Some vehicle features can be programmed by using the audio system controls. These features include: ► Climate and Air Quality ► Comfort and Convenience ► Collision/Detection Sys ...

Engine Coolant Temperature Warning Light
For eAssist vehicles, this light comes on briefly while starting the vehicle. If it does not, have the vehicle serviced by the dealer. If the system is working normally, the indicator lig ...