I need to go back and change my mileage for my car. I had entered the wrong number. I cannot seem to be able to get back there. Help!!

[ThomasM]

Click on the Federal Taxes tab, then Deductions & Credits, then scroll down to Employment Expenses and click on Job Expenses for W-2 Income.  Then follow the prompts to revisit the vehicle expense input screens, where you can make changes to your previous entries.