How to unlock Garmin City Navigator North America disk?
The City Navigator North America disk can be unlocked by following the directions below.
1. Log into you myGarmin account.
2. Select myMaps
3. Select Manage Maps
4. Select the Gps unit you wish to update from the “Select Product” drop down menu.
5. Select City Navigator North America 2009 Update in blue.
6. Select the unit id number Blue
7. Select the City Navigator North America 2009 …