good nigth my name is***** i atended you today.
ok firs we need check next point.
1.- check fuse of fuse box here we need decart a failure of ones.
2.- try to have a scaner of ECU or cumputer of the Cadillac.
3.- check charger of battery of car.
4.- If the navigation system needs service and the steps listed here have been followed but there are still problems, see your dealer for assistance. Ordering Map DVDs The map data in the vehicle is the most up-to-date information available when the vehicle was produced. The map data is updated periodically, provided that the map information has changed. For questions about the operation of the navigation system or the update process, contact the GM Nav Disc Center toll‐free phone number, 1‐877‐NAV‐DISC (1‐877‐628‐3472) or go to the center's website, www.gmnavdisc.com. If updates are needed, call the GM Nav Disc Center or order a new disc online. To order a disc, have the vehicle's
5.- need actualised map and reset nav screen.
can you speak in spanish or only english my client.
i am here on line if you hava comentaries and hope to helpyo good.