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Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Roof
Sunroof A. Open or Close B. Vent On vehicles with a sunroof, the sunroof only operates when the ignition is in the ACC/ACCESSORY or ON/RUN, or when Retained Accessory Power (RAP) is active. S ...

2012 Cadillac CTS Review
The 2012 Cadillac CTS sedan offers shoppers an attractive blend of design, luxury and performance. Now in its fifth model year, the CTS is the luxury sedan that began Cadillac's design-led trans ...