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:
Touch Screen Buttons
Touch screen buttons are on the
screen and highlighted when a
feature is available. Some toggle
screen buttons highlight when active
and gray out when inactive. ...
Customer Assistance for Text
Telephone (TTY) Users
To assist customers who are deaf, hard of hearing, or
speech-impaired and who use Text Telephones (TTYs),
Buick has TTY equipment available at its Customer
Assistance Center. Any TTY user can co ...
Maintenance Requirements
Notice: Maintenance intervals, checks,
inspections, replacement parts, and
recommended fluids and lubricants as
prescribed in this manual are necessary to
keep your vehicle in good working conditi ...