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:
Steering Wheel Adjustment
To adjust the steering wheel:
1. Pull the lever down.
2. Move the steering wheel up or down.
3. Pull or push the steering wheel closer or away from you.
4. Pull the lever up to lock the stee ...
Compass Messages
CAL
This message is displayed when the compass needs to be calibrated.
See Compass.
Three dashes will be displayed if the compass needs service. See your dealer
for service. ...
Options
Press the Options screen button. A Traffic Options menu displays. Select the
desired traffic related option.
Traffic: Press to enable or disable the traffic function.
Show Traffic ICONS: Press t ...