Ok, You got a garmin to use it but and now you get Mapsource or some other cool stuff. And Garmin Tells you Hey you you need an unlock code, for your area. Well since they did that I did this, How to Change the Serial Number in your Garmin so it will work with other Unlock codes. Ok The First thing you will need to do it connect your garmin up to your PC. Download all the Updates for it from Garmin for the Mapsource Pack. Next Download the following File http://www.Alphacode.net/downloads/garmwacker.zip Install the program on your PC, Use the List Below to determine which serial number for your units model and which unlock code to use in Mapsource to match your units model and mapsource map data. Download to GPS and Enjoy. Im sorry I had to do this to Garmin but they are getting to greedy !!! Swantoom !!!!!!!!!!! ***********0-91782-dbn hl kjdew ewfe 134re34wr4__________________________________________________ GPS-III DCA-1 GW*~<<<<<<<<< , m,. GPS-V DCA-1 pokj;i uiou~*&*~ 2132111111111111111 1111 1111111111exPS DC12&*)*( @&(*&OJKHLK ;J@H ;@#* :Lkj MapSou^RCa Thank you, Susan Coles, for completing GARMIN's unlock process! Whenever revisiting the MapSource Unlock pages, please reference your customer code: MYTTWHRB This is your unlock code: GZGKU-CQEDD-MAJQY-HQ7UM-NNEMF In order to view and download maps from your unlocked region, please follow these simple steps: Write down and save this code on your unlock certificate Be sure to print and save this web page in addition to writing the code (we don't want you to lose it) Copy and paste the code from this page to MapSource. Here's How: Launch MapSource on your PC Press Ctrl-U Select "ADD", then paste the unlock code into the space provided Select "OK". Now the MapSource region you chose is unlocked!