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 system status light is next to the OnStar buttons. If the status light is:
• Solid Green: System is ready.
• Flashing Green: On a call.
• Red: Indicates a problem.
Push 
or call 1-888-4-ONSTAR (1-888-466-7827) to speak to an Advisor.
Push 
to:
• Make a call, end a call, or answer an incoming call.
• Give OnStar Hands-Free Calling voice commands.
• Give OnStar Turn-by-Turn Navigation voice commands.
Requires the available Directions and Connections service plan.
Push to connect to a live Advisor to:
• Verify account information or update contact information.
• Get driving directions. Requires the available Directions and Connections service plan.
• Receive On-Demand Diagnostics for a check on the vehicle’s key operating systems.
• Receive Roadside Assistance.
Push 
to get a priority
connection to an Emergency Advisor available 24/7 to:
• Get help for an emergency.
• Be a Good Samaritan or respond to an AMBER Alert.
• Get crisis assistance and evacuation routes.
See also:
Fuel
Use of the recommended fuel is an important part of the proper maintenance of
this vehicle. To help keep the engine clean and maintain optimum vehicle performance,
we recommend the use of gasoline ...
Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB-3.5 or 3.511 in Canada.
Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl ...
StabiliTrak® OFF Light
This light comes on briefly while starting the engine.
If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator light then goes off.
Press and rel ...