Are you sure it's Canada 3100 or will it be 310 ?
Inside your GPS, in the folder "NAVIGON" there is a file named "version.xml" or "version.old", put your content here.
Here are the maps:
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[Only registered and activated users can see links. ]

Here are the GTA files (if necessary), post 24:
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Read here how to do it (an example), post 10:
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Read a little and you will find your answers!