See also:

Deleting Personal Information
This navigation system can record and store personal information such as names and addresses. Delete this information when selling your vehicle or returning a leased vehicle. See “Edit Address Boo ...

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. ...

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 remotel ...