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:
If a Tire Goes Flat
It is unusual for a tire to blow out while driving, especially if the tires
are maintained properly. See Tires . If air goes out of a tire, it is much more
likely to leak out slowly. But if there is ...
Side Bolster
To adjust the side bolster support,
if equipped:
- Press the top or bottom of the
control (A) to increase or
decrease support in the seat
cushion bolsters.
- Press the top or bottom of the
...






