Cadillac 2009 Escalade EXT Owner's Manual page 282

Map Destination Screen Functions
If the map screen is used to show destination, it will
have map screen capabilities such as Go, Mark, Zoom,
Scroll, etc. The address is shown at the top of the
screen.
Destination Map Screen
4-32
®
OnStar Destination Download
®
OnStar Destination Download (if equipped) is a service
available for OnStar* subscribers that makes operating
your navigation system much simpler. It allows
subscribers to request and receive navigation assistance
on-the-go.