Sorry, I clicked on Post before finishing so deleted the first answer -
You report the Fair Market Value of the car that was won in the Gambling section of the program. When asked if you received a Form W-2G answer NO. When asked about the winnings not reported on a W-2G answer Yes to the question for prize or award that did not come from gambling. Enter the value of the car.
Click on Federal on the left side of the online program screen
Click on Wages & Income
Scroll down to Less Common Income
On Gambling winnings, click the start button