I don't know exactly what expenses you claimed (if any), but hopefully the following info will help:
Tax deductions for your car
Since you're an independent business owner, just about any money you spend on your gig as a ride-share driver will be a tax-deductible business expense. The first thing that probably comes to mind is your car. There are two ways to take a deduction for the business use of your car:
If you use your car for both ride-sharing and personal transportation, you can deduct only the portion of your expenses that apply to the business use. And whichever type of deduction you claim, it's critical that you keep thorough records. The IRS could disallow any tax deductions you can't support with:
Commissions you pay to the ride-share company are a business expense, as is any cost you may have to pay for technology installed in your car. Other tax deductions include:
In addition, ride-sharing companies typically require use of a smartphone.
You will enter most of these expenses under Other Common Expenses on the business income and expenses page in TurboTax. When entering things look for the blue hyperlinks with tell me more. If you get really stuck, contact the TurboTax folks and they’ll walk you thru it.
For taxes next year (for tracking your business expenses for 2017), I suggest taking advantage of the free version of Quickbooks Self-Employed. You’ll get info about how to access your QuickBooks Self-Employed account after you have paid and filed.