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:
Climate Controls
The heating, cooling, and ventilation in the vehicle can be controlled with this
system.
Climate Control with Cooled and Heated Seats shown
A. Driver and Passenger Temperature Controls
B. AUTO ...
Brake System Warning Light
With the ignition on, the brake system warning light comes on when the parking
brake is set. If the vehicle is driven with the parking brake engaged, a chime sounds
when the vehicle speed is great ...
SERVICE TIRE MONITOR
SYSTEM
This message displays if a part on
the Tire Pressure Monitor System
(TPMS) is not working properly.
The tire pressure light also flashes
and then remains on during the
same ignition cycle. Se ...