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 ...

High/Low—Beam Headlamps (Uplevel)
The high/low beam headlamps on the uplevel are High Intensity Discharge (HID) and should be replaced at the dealer. ...

Collision Damage Repair (U.S. and Canada)
If the vehicle is involved in a collision and it is damaged, have the damage repaired by a qualified technician using the proper equipment and quality replacement parts. Poorly performed collision ...