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:
Compass
The vehicle may have a compass
display on the Driver Information
Center (DIC). The compass receives
its heading and other information
from the Global Positioning
System (GPS) antenna, Stabil ...
Engine Compartment Fuse Block
The fuse block is located under the hood in the
engine compartment on the driver’s side of
the vehicle.
Remove the primary cover by pressing the
two locking tabs. Remove the secondary cover
b ...
How to Add Coolant to the CoolantRecovery Tank
If you have not found a problem yet, but the
coolant level is not at the FULL COLD mark, add
a 50/50 mixture of clean, drinkable water and
DEX-COOL® engine coolant at the coolant
recovery tank.
...