Thanks for sharing your question with us, and welcome to the Automatic community. It's possible that we may be able to recover it for you though, so please send an email to firstname.lastname@example.org and reference this community topic.
I agree! It *should* be available within the app/web portal. I think that would be an easy thing to add. Once you clear it, you can't access the info any more. Having the code readily available would help when you take the car in for service!