First you want to Print a copy of your return. Be sure to click Download all forms and worksheets.
Once you have printed the return, look at the Part V of the Federal Information Worksheet. At the bottom of Part V, you will see "Enter the following information only if you are requesting direct debit of balance due" The date you requested to have your balance debited will be on the line just below that.
If it has past the direct debit due date, You can use the Look Up a Payment feature to view your payment details and status. You can modify or cancel your payment there until two business days before your payment date.