thammer: In the bottom left of the Naviextras home page (www.naviextras.com) you will find the procedure for updating your Streets maps. It requires you to download and install a "toolbox" application on your computer first before you can download and update the Streets maps. Look for a blue box on the bottom left of their home page which reads:
HOW TO GET STARTED?
Verify if your device is supported
Create your personal user account
Browse the map updates and extras
Download Naviextras Toolbox and connect your device
Want to know more?
Read the How-To-Guide!
====Ralph