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 ...

Adjustable Throttle and Brake Pedal
The vehicle has adjustable throttle and brake pedals that allow you to change their positions. The feature will not operate when the vehicle is in R (Reverse) or while using the cruise control. ...

Headlamp Aiming
The vehicle has a visual optical headlamp aiming system. The aim of the headlamps have been preset at the factory and should need no further adjustment. However, if the vehicle is damaged in a cras ...