If you choose direct debit your money will be withdrawn form your check account. Your paper after you filed would have your direct debit information. You can go back into your return to check your banking information.
If you cannot get back into your return, see
the following
1. In TurboTax Online, sign into your account.
2. Select Tax Home in the left
menu.
3. Scroll down to Your tax returns &
documents.
4. Select 2018, and then select Add
a State (you're not actually adding a state, this just opens the
return back up)
5. Make changes and then refile
Also, To verify the date that Federal funds will be withdrawn from
your account, confirm that funds have been transferred, or cancel the
transaction up to 48 hours before the date you designated the funds to be
debited, call the IRS at 1 (888) 353-4537.
https://ttlc.intuit.com/questions/1899148-when-will-my-tax-payment-go-through
