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:
Other Navigation Services
Available from OnStar
OnStar eNav: Allows subscribers
to send destinations from Google
Maps and MapQuest.com to their
Turn-by-Turn Navigation or
screen-based navigation system.
When ready, the directions will be
...
Side Blind Zone Alert (SBZA)
If available, this feature will alert you to vehicles located in the vehicle's
side blind zone. When the system detects a vehicle in the side blind zone, the SBZA
display will light up in the ...
Fuel Gauge
When the ignition is on, the fuel gauge shows about how much fuel the vehicle
has left in the tank.
An arrow on the fuel gauge indicates the side of the vehicle the fuel door is
on.
The gauge ...