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:
If No Steam Is Coming from the Engine Compartment
The ENGINE OVERHEATED STOP ENGINE or the ENGINE OVERHEATED IDLE ENGINE message,
along with a low coolant condition, can indicate a serious problem.
If there is an engine overheat warning, but see o ...
OnStar®
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. See OnStar Overv ...
Ride & Handling
Our test CTS had the optional performance suspension, and the car felt as
firm as one of the high-performance V-Series versions that Cadillac sells, with
harsh, jarring responses over bumps. It's ...