Depreciation expense that is part the Car Expenses schedule can be found under Deductions > Work Related Expenses 

Car Expense > Depreciation worksheet :

Below image is showing the illustration on how the 100% depreciation expense is presented first inside the main Car Expense schedule as 100%, when the scenario is only certain percentage of the car expenses amount were used in the business (example below has total $20,000 Total Expenses (100%) and the Business Use% is only 70%).


The depreciation worksheet inside the Car Expense schedule will be shown in the pdf print of the tax form as per sample below. Final depreciation amount of 7,000 (10,000 x 7)%) will be shown since the "Business Use %" is only 70%.