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Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...

Driving on a Route
When driving on a routed destination, the map screen automatically displays the next maneuver. The pop-up displays the next maneuver direction and the distance from it. When approximately 400 ...

Refreshed design, inside and out
With overall dimensions slightly increased, the new STS conveys more of the design flair that has become a Cadillac signature. Up front, the dual-textured, multi-faceted grille first seen on the S ...