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:
All-Wheel Drive
Transfer Case
When to Check and Change Lubricant
The transfer case is filled with oil during manufacture, which then does not
require changing. It is not necessary to regularly check the transf ...
Emergency
With Automatic Crash Response, the built-in system can automatically connect
to help in a crash even if you cannot ask for it.
Push to connect to an Emergency Advisor. GPS technology is used to id ...
Dual Automatic Climate Control System
The heating, cooling, and ventilation in the vehicle can be controlled with this
system. The vehicle also has a flow-through ventilation system described later in
this section.
Climate Control ...