TTY Users
OnStar has the ability to communicate to the deaf, hard&-ofhearing, 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:
Sensors
The solar sensor, located on top of the instrument panel near the windshield,
monitors the solar heat. The climate control system uses the information to adjust
the temperature, fan speed, recircu ...
Manual Operation of Power Liftgate
To change the liftgate to manual operation, press OFF on the power liftgate switch. A message displays on the DIC indicating manual operation mode. See Driver Information Center (DIC) (Without DIC B ...
Headphones
A. Battery cover
B. Channel 1 or 2 switch
C. Power button
D. Volume control
E. Power indicator light
The RSE includes two 2-channel wireless headphones that are dedicated to this system. Channe ...





