Get your taxes done using TurboTax

You must use the vehicle at least 50 percent  for business purposes. If personal use exceeds the 50 percent cap, you'll have to depreciate the item instead. 

To enter 179  information on your business vehicle in TurboTax Deluxe, please follow these steps:

1. On the screen Your [XX] Business, under Business Expenses, click the Update box next to Business Vehicle Expense.
2. On the Vehicle Summary, click Edit next to the vehicle.
3. Continue to the screen, How much do you want to deduct for the business use of this vehicle?
4. TurboTax has calculated the total amount of 179 you can take.  Enter the amount you wish to take in the box. and click Continue.  See screenshot below.)