Other Navigation Services Available from OnStar
OnStar eNav: Allows subscribers to send destinations from Google Maps and MapQuest.com to their Turn-by-Turn Navigation or screen-based navigation system.
When ready, the directions will be downloaded to the vehicle.
Destination Download: Push 
,
then request the Advisor to
download directions to the
navigation system in the vehicle.
After the call ends, push the “Go” button on the navigation screen to begin driving directions.
Destinations can also be downloaded on the go.
For information about eNav, Destination Download, and coverage maps visit www.onstar.com.
See also:
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from your dealer.
...
OnStar® Destination Download (US and Canada)
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 navig ...
Safety
The CTS sedan performed well in crash tests conducted by the Insurance
Institute for Highway Safety and the National Highway Traffic Safety
Administration. It received the IIHS' 2012 Top Safety Pi ...