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 Overview.

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    Not quite midsize
    Like most mid-size entry-level luxury cars, the CTS has a fairly restrictive cabin. Although I can live with that, the hard front and very tight rear seats put a damper on the experience. Sure, it ...

    Rear-Seat Pass Through
    If the vehicle has the rear-seat pass through door, the trunk can be accessed through the rear seat. This is useful when transporting long items. To open the door, pull down the rear seat ar ...

    Making a Call
    Radio with CD 1. Press the PHONE button twice. 2. Enter the character sequence. See “Entering a Character Sequence” in Operation for more information. 3. Select Call to start dialing the numbe ...