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:
Remote Vehicle Start
With this feature the engine can be started from outside
of the vehicle. ...
Battery Run-Down Protection
This feature helps prevent the battery from being
drained, if the interior courtesy lamps, reading/map
lamps, visor vanity lamps or trunk lamp are accidentally
left on. If any of these lamps are ...
Traction Control System (TCS)
The traction control system limits wheel spin. The
system turns on automatically every time the vehicle is
started.
• To turn off traction control, press and release
in
front of the shift l ...