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 access to all of the OnStar services, except Virtual Advisor and OnStar Turn–by–Turn Navigation.
See also:
Hard Drive Device (HDD)
To use the HDD, tracks must be
recorded from a CD, MP3 Disc,
or USB device first. ...
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. ...
Interior Lighting
Reading Lamps
The reading lamps are located on
the overhead console. These lamps
come on automatically when any
door is opened.
For manual operation, press the
button next to each lamp to tu ...