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:
XM Messages
XL (Explicit Language Channels): These channels, or any others, can be blocked
by request, by calling 1-800-929-2100 in the U.S., and 1-877-438-9677 in Canada.
XM Updating: The encryption code in t ...
Call Waiting
Call waiting must be supported on the Bluetooth phone and enabled by the wireless service carrier.
► Press
to answer an incoming call when another call is active. The original call is place ...
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 ...