Yes, if you already have a green dot Visa card, you will just need to enter the account number and routing number. Then choose direct deposit for your refund. If you need to contact greendot for this information, click on this link - http://tiny.cc/ch5a5y Please see the TurboTax FAQ below for further instructions.
I already have a reloadable Turbo Prepaid Visa card. Can I put my refund on it?
If you need a green dot Visa card (Turbo Prepaid Visa Card) please see this TurboTax FAQ:
How to get your tax refund on a Turbo Prepaid Visa® Card