Send her a check for $62. Cancel or transfer your auto-deductions to another ccount. Text her that the check is in the mail, ask her to close the account after she pays the balance and clarify that you are no longer using the account and will not make any future payments.
$62 is too small an amount to add any more drama to your life. just be done with it. I wouldn't make anything of it and Keep the text purely to business.