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:
Air Quality Sensor
This will allow you to select whether the system will operate at high or low
sensitivity. Only vehicles with the dual zone climate control will have this
option.
Press the MENU/SELECT knob when A ...
Accessories and
Modifications
Adding non–dealer accessories or
making modifications to the vehicle
can affect vehicle performance and
safety, including such things as
airbags, braking, stability, ride and
handling, emiss ...
Safety Belts
Safety Belts
Refer to the following sections for
important information on how to use
safety belts properly:
- Safety Belts.
- How to Wear Safety Belts
Properly.
- Lap-Shoulder Belt.
- Low ...






