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:
Customer Assistance
Offices (U.S. and Canada)
Cadillac encourages customers
to call the toll-free number for
assistance. However, if a customer
wishes to write or e-mail Cadillac,
the letter should be addressed to:
United States
Cadilla ...
Compass Zone
The zone is set to zone eight. If you
do not live in zone eight or drive out
of the area, the variance needs to
be changed to the appropriate zone.
To adjust for compass variance,
use the fol ...
Other Information
The Bluetooth word mark and logos are owned by the Bluetooth® SIG, Inc. and
any use of such marks by General Motors is under license.
Other trademarks and trade names are those of their respective ...






