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:
Engine Coolant Temperature Warning Light
The engine coolant temperature
warning light comes on briefly when
the vehicle is started.
If it does not, have the vehicle
serviced by your dealer. If the
system is working normally, the
...
StabiliTrak® System
The vehicle has a traction control system that limits wheel spin and the StabiliTrak
system that assists with directional control of the vehicle in difficult driving
conditions. Both systems turn ...
Multi-Band Antenna
The multi-band antenna is on the roof of the vehicle. The antenna is used
for the AM—FM radio, OnStar, the XM Satellite Radio Service System, and GPS
(Global Positioning System), if the vehicle has ...






