Are you claiming these vehicle costs as Employment expenses, Self-Employment Expense or Rental Expenses?
If you have TurboTax Live Assist & Review, this FAQ shows how to talk to a Tax Expert: https://turbotax.community.intuit.ca/community/navigating-turbotax/help/i-m-using-turbotax-live-assist-review-how-do-i-talk-to-a-tax-expert/00/873764