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:
Turn Signals when Towing a
Trailer
The turn signal indicators on the
instrument panel flash whenever
signaling a turn or lane change.
Properly hooked up, the trailer
lamps also flash, telling other
drivers the vehicle is turni ...
Customer Assistance for Text
Telephone (TTY) Users
To assist customers who are deaf, hard of hearing, or
speech-impaired and who use Text Telephones (TTYs),
Buick has TTY equipment available at its Customer
Assistance Center. Any TTY user can co ...
Using the Universal Remote
System
Press and hold the appropriate
Universal Remote system button for
at least half of a second. The
indicator light will come on while the
signal is being transmitted. ...