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:
What to Use
Use a mixture of one-half clean, drinkable water
and one-half DEX-COOL® coolant. If you use
this coolant mixture, you do not need to add
anything else.
CAUTION:
Adding only plain water to your ...
Park Brake and P (Park) Mechanism Check
WARNING
When you are doing this check, the vehicle could begin to move.
You or others could be injured and property could be damaged.
Make sure there is room in front of the vehicle in case it b ...
Setting the Time and Date
(Radio with CD and
Touchscreen)
To set the time:
1. Press the CONFIG button to
enter the menu options. Turn the
Menuknob to scroll through the
available setup features. Press
the SELECT knob or press the
Time screen butto ...