You should be able to select that option when you e-file before midnight on October 16. 2017. Look for the direct deposit option when going through the "FILE" section of your program.
https://ttlc.intuit.com/replies/3370270
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***
