See also:

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 ...

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 ...

Audio System
When using the Bluetooth system, sound comes through the vehicle's front audio system speakers and overrides the audio system. Use the VOL/ knob during a call to change the volume level. The a ...