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:
When It Is Time for
New Tires
Factors such as maintenance,
temperatures, driving speeds,
vehicle loading, and road conditions
affect the wear rate of the tires.
Treadwear indicators are one way
to tell when it is time f ...
Exit Lighting
This allows the selection of how long the exterior lamps stay on when
leaving the vehicle when it is dark outside.
Press the MENU/SELECT knob when Exit Lighting is highlighted.
Turn the knob to ...
Radio Data System (RDS)
The audio system has a Radio Data
System (RDS) feature. RDS is
available for use only on FM
stations that broadcast RDS
information. This system relies upon
receiving specific information fr ...