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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 ...

Exterior
Designed with a chiseled look, the four-door STS features what Cadillac says is a "faster profile" with "more rake" than the CTS. All told, it's considered "more sophistic ...

Video Screens
The video screens are located in the back of the driver and front passenger seats. To use the video screen: 1. Push the release button located on the seatback console. 2. Move the screen t ...