How to contact OnStar:
1. Be sure the TTY device is plugged into the right side of the OTIM
in the jack identifi ed for TTY.
2. Push the MODE button to TTY; the green status light will
illuminate. If you push the MODE button a second time, the
status light will go out. This indicates that the TTY system is
off, and the OnStar system is in Voice mode.
3. Practice making a call to OnStar by pressing the blue OnStar
button on your mirror or console. The TTY screen will
display “CONNECTING TO ONSTAR” and the green status light
will blink to indicate that a call is in progress.
4. OnStar will respond to you with a greeting and you can
now correspond with the live Advisors.
5. When you fi nish your interaction with the OnStar Advisor,
the Advisor will automatically disconnect the call for you.
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