You can update the settings when you log in to Nixle.com using your user name and password. There is a drop down box that will allow you to choose to receive Advisories, Advisories and Traffic, or Advisories/Community/Traffic via test messages. The "alerts" automatically come to your cell phone via a text if you entered you cell number when you signed up. I think the drop down box is under settings but it may have been under another option. You should be able to find it though. You may want to choose to receive advisories and traffic so that you will be notified by text message if there i