See also:

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

Vehicle Personalization
The audio system controls are used to access the personalization menus for customizing vehicle features. Not all features are available on every vehicle. Only the features available on a particula ...

Exterior
Styling of the DTS is "more architectural and linear," said Gary Cowger, former president of General Motors North America, during its initial appearance. The new model's styling evokes C ...