See also:

Testing the Alarm
To test the alarm: 1. From inside the vehicle, lower the driver window and open the driver door. 2. Activate the system by locking the doors with the power door lock switch while the door is open, ...

Clock (Digital Clock)
The infotainment system controls are used to access the time and date settings through the menu system. See Operation for information about how to use the menu system. See the separate navigation ma ...

Transferring Service
Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has ch ...