Just updated the software with webupdate for windows_242 from garmin website succesfully. ''No detailed maps found that support routing. The street pilot cannot be used without them. comes up when it'sturned on. ??

The "No Detailed Maps Found That Support Routing" message may appear on your device for the following reasons:

• The GPS device is missing it's unlock code
• The maps on the GPS device have been disabled

• If you see a "Can't Unlock Maps" message following this error, remove any microSD / SD cards in the device and follow the instructions below for Retrieving your unlock codes followed by the instructions for Creating an unlock file

• If you do not get the Can't Unlock Maps message then skip to the instructions for Enabling maps on the GPS device

1. Log into your myGarmin account
2. Select Manage Maps
3. Select Details
4. The unlock code is located under the Installed Maps.

1. Plug your Garmin device into the USB port
2. Double-Click on My Computer or Computer located on the desktop
3. Right-Click on the Garmin or nuvi drive
4. Click Explore
5. Double-Click on the Garmin folder
6. Right-Click in a blank space in this window
7. Move your mouse over the word New
8. Select Text Document
9. Press Enter / Return on your keyboard
10. Double-Click on the New Text Document. This will open the New Text Document in a window called Notepad
11. Type the unlock code that is listed in the Manage Maps section of your myGarmin account in all upper-case letters with no spaces
12. Select File
13. Select Save As
14. Change the Save As Type to All Files
15. Type gmapprom.unl in all lower-case letters for the File name
16. Select Save
17. Close the Notepad window
18. Delete the New Text Document file
19. Disconnect the GPS device from your computer