OnStar

See also:

Operation
Controls The infotainment system is operated by using the pushbuttons, multifunction knobs, menus shown on the display, and steering wheel controls, if equipped. Turning the System On or Off ...

Loss of Control
Skidding There are three types of skids that correspond to the vehicle's three control systems: - Braking Skid — wheels are not rolling. - Steering or Cornering Skid — too much speed or s ...

Chassis refinements
Chassis tuning has focused on achieving a smooth, quiet, refined ride. The DTS features an all-new front cradle design, with the engine mounted to the cradle, and the cradle mounted to the body ra ...