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:
StabiliTrak® System
The StabliTrak system assists with
directional control of the vehicle in
difficult driving conditions. The
system turns on automatically every
time the vehicle is started.
• To turn off bot ...
Introduction
GENERAL MOTORS, GM, the GM Emblem, BUICK, the
BUICK Emblem, and the name LUCERNE are
registered trademarks of General Motors Corporation.
This manual describes features that may or may not be ...
Starting the Engine
Move the shift lever to P (Park) or N (Neutral).
The engine will not start in any other position.
To restart the engine when the vehicle is already
moving, use N (Neutral) only.
Notice: Do not tr ...