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 Controls
Use these controls, if equipped, to make audio adjustments at the steering
wheel.
or : Press to select the next
favorite radio station or next CD, DVD, if equipped, or MP3 track.
Press to ...
Maintenance Schedule
Owner Checks and Services
At Each Fuel Stop
. Check the engine oil level. See Engine Oil .
Once a Month
. Check the tire inflation pressures. See Tire Pressure .
. Inspect the tires f ...
Steering Wheel Controls
Some audio steering wheel
controls could differ depending
on the vehicle's options.
Controls that can be adjusted at the
steering wheel may include:
SRCE: Press to switch between
AM, FM, o ...