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:
Safety System Check
Now and then, check that the safety
belt reminder light, safety belts,
buckles, latch plates, retractors, and
anchorages are all working properly.
Look for any other loose or
damaged safety b ...
PARK BRAKE SET
For vehicles with the electric parking
brake, this message displays when
the parking brake has been applied
to the set position. See the electric
parking brake information under
Parking Brak ...
Using Your Stored Preset Destinations
These destinations are available for selection while driving.
1. Press to turn the system on.
2. A caution may appear. Press OK to proceed.
3. Press DEST.
4. Select one of the available preset de ...






