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:
Starting the Vehicle with a Low Transmitter Battery
Replace the battery if the REPLACE
BATTERY IN REMOTE KEY
message displays in the DIC.
See “Replace Battery In Remote
Key” under Key and Lock Messages for additional
information.
If the trans ...
Buying New Tires
GM has developed and matched specific tires for the vehicle. The original
equipment tires installed were designed to meet General Motors Tire Performance
Criteria Specification (TPC Spec) system rat ...
Add-on Electrical Equipment
The OnStar system is integrated
into the electrical architecture of the
vehicle. Do not add any electrical
equipment. See Add-On Electrical
Equipment. Added
electrical equipment may interfer ...