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 ...

StabiliTrak® System
The vehicle may have the StabiliTrak system which combines antilock brake, traction and stability control systems and helps the driver maintain directional control of the vehicle in most driving ...

Sunroof
Sunroof On vehicles with a sunroof, the switches are located on the overhead console. The ignition must be in ON/RUN or ACC/ACCESSORY, or in Retained Accessory Power (RAP). See Retained ...