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  ...

Keys and Locks

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See also:

Speedometer
The speedometer shows the vehicle speed in both kilometers per hour (km/h) and miles per hour (mph). ...

Trailer towing
PARKTRONIC is deactivated for the rear area when you establish an electrical connection between your vehicle and a trailer. Fold in the ball coupling if the trailer tow hitch is not required. ...

Using the Navigation System
This section presents basic information needed to operate the navigation system. Use the buttons located on the navigation system along with the available touch-sensitive screen buttons on the navig ...