Vehicle Security

This vehicle has theft-deterrent features; however, they do not make it impossible to steal.

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    Starting Procedure
    1. With your foot off the accelerator pedal, turn the ignition key to START. If the vehicle has the keyless access system, push the ignition control knob in and rotate the knob to the START ...

    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 ...

    Privacy
    The complete OnStar Privacy Statement may be found at www.onstar.com. Privacy-sensitive users of wireless communications are cautioned that the privacy of any information sent via wireless c ...