To setup Auto Pay  select “Manage Autopay” from your Dashboard and then select "Setup a New Autopay Schedule" 

Select the date you would like to schedule your monthly payment on.

Decide if you would prefer for the full balance to be paid each month or a fixed amount.

Select how often you'd like your payment to be deducted, as well as the end date then click "Select your payment method"

Select a saved eCheck or credit card account or add new payment method then click "Review and Approve"

Then approve the Autopay.