There is not an auto-submission option within TCU Online, but you can adjust the settings to prevent students from making additional changes. Preventing further changes after a specified time period will leave students with the choice to only submit their quiz, and thus initiating an auto-submission quiz. To create a quiz that will imitate an auto-submitted quiz, complete the following steps.
This ensures that students cannot alter their responses at the end of the time limit and serves the same purpose as an auto-submit.