You can review the direct deposit account information you entered by looking on your printed return. This will be found on your 1040 under the Refund section (look for line 76).
You can change the email address connected to your TurboTax account. Follow these instructions: https://ttlc.intuit.com/questions/2578442
I spoke to a colleague and the best way for us to help you verify your direct deposit information is for you to contact us by phone. Here are the details on how to do that: https://ttlc.intuit.com/questions/1899263