@Dodgei
You may want to delete the vehicle and re-enter.
Using TurboTax 2017 Premier edition I entered a vehicle using the actual expense method and the Form 4562 has the section 179 amount calculated.
Vehicle Purchase price $50000 Placed in service 01/01/2017 100% Business Usage
Form 4562 Line 26 Elected Section 179 cost - $11,560
Schedule C Line 13 Depreciation and Sec 179 expense deduction - $11,560
