Select the "Auto Payments" tab and click on the account listed to edit
Review Auto Payment Summary for the account to be edited, to proceed to editing click on "Edit"
To change the credit card click on dropdown to select a different card
Or "Save a Card" to add a new card, and enter in card details
You can also change the amount Payable to Annual or Quarterly Instalments by click on the dropdown
Edit your debit limit by entering a new amount

To change Payment Day click on dropdown to select from one of the option.
Click on "Save" when editing is complete and review Auto Payment Summary