Please visit http://www.aaa.com/gps

Scroll down to the center of the page. Under the bolded line "AAA Member-Exclusive Benefits", there is a link for "Download free AAA data updates". Clicking on that will take you to a new section "Download free AAA TourBook data updates". Click on the download link and it will ask you to sign-in. Upon sign-in, you will be taken to a new page. Follow the directions for your particular Magellan unit.