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:
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:
Receive announc ...
Storing a Favorite Station
A maximum of 36 stations can be
programmed as favorites using the
six softkeys below the radio station
frequency tabs on the display and
by using the radio favorites page
button (FAV button) ...
Transfer Case
If the vehicle is equipped with All-Wheel Drive, be sure to perform the lubricant
checks described in this section. ...