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:
Charging System Light
The charging system
light will come on briefly
when you turn on the
ignition, but the
engine is not running,
as a check to show you
it is working.
It should go out once the engine is runnin ...
Inadvertent Power Battery Saver
This feature is designed to protect your vehicle’s battery
against drainage from the interior lamps, or garage
door opener. When the ignition is turned off, the power
to these features will au ...
Radio Data System (RDS)
The audio system has a Radio Data System (RDS).
RDS features are available for use only on FM
stations that broadcast RDS information.
With RDS, the radio can do the following:
• Seek to s ...