See also:

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 chan ...

How OnStar® Service Works
In order to provide you with OnStar® services, your vehicle’s OnStar® system has the capability of recording and transmitting vehicle information. This information is automatically sent to an ...

Using the Store Command
The store command allows a phone number to be stored without entering the digits individually. 1. Press and hold for two seconds. The system responds with “Ready” followed by a tone. 2. S ...