In my case, the 8 digit coupon code was on a slip of paper buried inside the plastic packaging, not inside the disc case. The above came from the help section of my mapsource program. In addition, you can use the UnlockWizard to update your Garmin account information. If you did not unlock maps during installation, if you want to unlock another MapSource region, or if you want to unlock maps for a second Garmin GPS device, you may do so using the UnlockWizard and/or Garmin's Web site: You can also use the UnlockWizard to view your current unlock codes, create backup files of your unlock codes, and restore your unlock codes from backup files. Follow the directions on your computer screen and use the code to unlock the map data and register your MapSource product.

The UnlockWizard runs automatically at the end of the installation process. Those products come with either a 25-character unlock code that can unlock all maps associated with the MapSource product, or a MapSource Unlock Certificate, which is an 8-character coupon code that you can redeem to unlock a single region. Some MapSource products must be 'unlocked' before you can view and transfer detailed map data.

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