The first line of support for AutoAccess (eTextbook) problems is through the individual Campus Bookstores. The links below will guide you through the information they need to serve you.
UMKC Health Sciences: autoaccess.umkc-hsbookstore.com
Missouri S&T: autoaccess.thesandtstore.com
Info: If they are unable to help, or if the issue is a clear technical issue, such as a broken link to a page, direct publisher support contacts are listed on the Support for for Remote Learning Tools page.