See also:

Automatic Headlamp System
When it is dark enough outside, the automatic headlamp system turns on the headlamps at the normal brightness, along with the taillamps, sidemarker, parking lamps, and the instrument panel lights. ...

Technology reinforces multidimensional design philosophy
Cadillac XTS' hardware and spatial dimensions are the foundational layers that support a new level of surface detail. Multidimensional exterior and interior elements, including the grille, headlam ...

TTY Users
OnStar has the ability to communicate to the deaf, hard–of–hearing, or speech–impaired customers while in the vehicle. The available dealer–installed TTY system can provide in-vehicle acces ...