Hands-Free Calling
1. Push 
. System responds:
“OnStar ready.”.
2. Say “Dial.” System responds:
“Please say the name or number to call.”.
3. Say the entire number without pausing, including a “1” and the area code. System responds:
“OK calling.”
See also:
SERVICE PARKING ASSIST
This message displays if there is a
problem with the Ultrasonic Rear
Parking Assist (URPA) system.
Do not use this system to help you
park. See Ultrasonic Parking Assist for more information.
...
Keyless Access Operation
Some vehicles have the keyless access system that lets you lock and unlock
the doors and access the liftgate without removing the remote transmitter from
your pocket, purse, briefcase, etc. The keyl ...
Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition
Block, and Roadside Assistance, if the vehicle is equipped with these services.
OnStar can unlock the vehicle doors remotely, ...