If you entered the income in Miscellaneous Income section, the expenses are entered on the same screen.

If you are in the business of renting out vehicles, report your Turo income on Schedule C and enter your vehicle expense in the Vehicle Expense section of Schedule C (for self-employed taxpayers).
Where do I enter Schedule C?
What self-employed expenses can I deduct?
Where do I enter my self-employment business expenses, like supplies and vehicle mileage?
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