See also:

Destination
Press DEST to access the Destination Entry screen. From this screen, you can select from several options to plan a route by entering destination points. To enter a destination, choose from one of ...

Tips and Troubleshooting Chart
...

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five ...