Diagnostics; Onstar Additional Information; Onstar Additional - GMC Sierra Instruction Manual

488 OnStar
Retrieve My Number
1. Press . System responds:
OnStar ready.
2. Say My number. System
responds: Your OnStar
Hands-Free Calling number is,
then says the number.
End a Call
Press . System responds: Call
ended.
Verify Minutes and Expiration
Press and say Minutes then
Verify to check how many minutes
remain and their expiration date.

Diagnostics

Advanced Diagnostics provides a
status of the vehicle s key systems
with a monthly e-mail, or by
pressing . Real-time Diagnostic
Alerts can be sent by email or text.
The Proactive Alerts feature (if
available) can help predict and alert
of potential upcoming maintenance
issues with select components on
the vehicle, before they become a
problem.
OnStar can also monitor and report
tire pressure, if the vehicle is
equipped with a Tire Pressure
Monitoring System.
I n f o r ma t i o n P r o v i d e d b y :

OnStar Additional

Information
In-Vehicle Audio Messages
Audio messages may play important
information at the following times:
Prior to vehicle purchase. Press
to set up an account.
With the OnStar Basic Plan,
every 60 days.
After change in ownership and
at 90 days.
Transferring Service
Press to request account transfer
eligibility information. The Advisor
can cancel or change account
information.
Selling/Transferring the
Vehicle
Call 1-888-4ONSTAR
(1-888-466-7827) immediately to
terminate your OnStar services if
the vehicle is disposed of, sold,
transferred, or if the lease ends.