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:
Hoses
Hoses transport fluids and should
be regularly inspected to ensure
that there are no cracks or leaks.
With a multi–point inspection, your
dealer can inspect the hoses and
advise if replacemen ...
Three-Way Calling
Three-Way Calling must be
supported on the cell phone and
enabled by the wireless service
carrier to work.
1. While on a call press .
2. Say “Three-way call.”
3. Use the dial or call command ...
Keyless Locking
If the vehicle has the keyless access system, this feature allows you to
select whether the doors automatically lock during normal vehicle exit. When
the vehicle is turned off and all doors become c ...






