If your Kenwood DNX5120 is displaying a message that the maps are locked, then you will need to perform a software update on your device. To update the system software in your device:

1. Visit http://www.garmin.com/kenwood

2. Click Update under Product Updates

3. Click DNX5120

4. Click Software Updates

5. Click Get Latest Kenwood Software Instructions

This document will provide you with step-by-step instructions for installing the update

6. Click Get Latest Kenwood Software

The software update file will begin to download

7. Follow the downloaded instructions to complete the update

After updating the software your Kenwood DNX5120 should no longer display a message that the maps are locked.