EV credit of $7500

It appears Turbotax is calculating my EV credit as a refund, vs credit.  I qualify for the $7500 Credit.  Prior to entering my EV, I owe fed tax of $1782.  After I enter my EV information and $7500, it shows I am receiving a "Refund" of $5540.  The credit should only cover taxes I owe, and not be a refund!

I can't get an answer from Turbotax on this issue.  Anyone else with this problem?