It continues you signed in to your account always. But, in case you clear your browser’s cache or cookies, or in case you want to sign in in your AOL account from an exclusive browser, you’ll want to don't forget your account password. If you forgot AOL password, you can not log in to your account. Issues related to password, where it might seem like your password is incorrect however it isn't always that case and also you don’t want to exchange aol e-mail password.
For more: https://www.usatechblog.com/blog/how-to-reset-change-recover-aol-password/