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The map file in your Navteq GPS unit has become corrupted.. What you need to do is go to this page
Follow the steps to enter your unit ID ( it shows you how to find it on the above page )
Then, download a map update and follow the installation instructions to install that map update onto your GPS.
If you get stuck or run into any issues, let me know!
I strive to provide great service, and greatly appreciate a 5 star rating clicked and submitted when you are satisfied.. I always answer follow up questions.Dustin S.Senior Technician and Network Switching Systems Operator / Maintainer.
Hello again.. I never heard back from you.. Did you still need help with this issue?