See also:

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

Storing a Favorite Station
A maximum of 36 stations can be programmed as favorites using the six softkeys below the radio station frequency tabs on the display and by using the radio favorites page button (FAV button) ...

OnStar Additional Information
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 ow ...