The IRS just started processing tax returns today. The refund advance program is run through First Century Bank, a partner site. An email should be sent to you with additional information after you pre-qualify. Please check your junk mail if you do not see it in your inbox.
Please see the TurboTax FAQ below for more information:
https://ttlc.intuit.com/community/refunds/help/about-refund-advance/00/27333