You will not be able to move forward to claim miles driven for business purposes without both the business miles and the total miles driven for the year. Both numbers are needed to determine the percentage of business use for your vehicle.
Guidance from the IRS requires you to keep a log of business miles and total miles driven for the year in order to file an accurate return.
Take a look at your oil change or repair records to see if you can recreate the total miles driven by using the odometer readings on those documents. The odometer reading is usually included on repair invoices. If you had work done or and oil change around the beginning and end of 2024, then you can use those numbers to determine the total miles driven for the year.
See the following TurboTax help article to learn more about claiming mileage for business:
Can I deduct mileage?
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