Retrieve My Number

1. Push “OnStar ready.”.. System responds:

“OnStar ready.”.

2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.”

    See also:

    Tire Inspection
    We recommend that the tires, including the spare tire, if the vehicle has one, be inspected for signs of wear or damage at least once a month. Replace the tire if: - The indicators at three ...

    Recommended Fluids and Lubricants
    Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer. ...

    Engine & Transmission
    The CTS comes standard with a 3.0-liter V-6 engine, but our test car's optional 3.6-liter V-6 and six-speed automatic transmission are a special pair among drivetrains. The transmission's shifts a ...