OnStar

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Ride & Handling
Our test CTS had the optional performance suspension, and the car felt as firm as one of the high-performance V-Series versions that Cadillac sells, with harsh, jarring responses over bumps. It's ...

Tire Terminology and Definitions
Air Pressure: The amount of air inside the tire pressing outward on each square inch of the tire. Air pressure is expressed in kPa (kilopascal) or psi (pounds per square inch). Accessory We ...

Rear-Seat Pass Through
If the vehicle has the rear-seat pass through door, the trunk can be accessed through the rear seat. This is useful when transporting long items. To open the door, pull down the rear seat ar ...