Making a Call
To make a call:
1. Press 
.
2. Select Enter number.
3. Enter the character sequence.
See “Entering a Character Sequence” in Operation for more information.
4. Select Call to start dialing the number.
See also:
Scheduling Service Appointments (U.S. and Canada)
When the vehicle requires warranty
service, contact your dealer and
request an appointment. By
scheduling a service appointment
and advising the service consultant
of your transportation nee ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems. It also
checks the tire pressures, if the v ...
Retrieve My Number
1. Push . System responds:
“OnStar ready.”.
2. Say “My Number.” System
responds: “Your OnStar
Hands-Free Calling number is.” ...