OnStar Overview

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect

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 to speak to an Advisor. 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: 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 an Emergency Advisor available 24/7 to: 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:

    Ride & Handling
    The regular CTS coupe's ride quality strikes a nice middle ground. There's a firmness to the tuning that's expected in a car like this, but Cadillac hasn't gone overboard and created a bone-jarrin ...

    End a Call
    Push . System responds: “Call ended.” ...

    Steering Wheel Controls
    Use these controls, if equipped, to make audio adjustments at the steering wheel. or : Press to select the next favorite radio station or next CD, DVD, if equipped, or MP3 track. Press to ...