See also:

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. ...

Return to Factory Settings
Select Return to Factory Settings to return all of the vehicle personalization to the default settings. Turn the knob to select Yes or No. Press the knob to confirm and go back to the last menu. ...

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 ...