-Touch the 'i' button at the bottom right of the screen, the screen will flip over to reveal a list of your current vehicles.

-Touch the "Edit" button in the top left corner.

-Touch the "add vehicle" button at the top left of the screen (the '+' button).

-Choose your vehicle by selecting its year, make, model, and engine type.
--If your vehicle is not listed, choose the "Other" row at the bottom (underneath the years 1998-2008) and enter your vehicle's information manually.

-Press the Save button at the top right of the screen.

-Finally, press the Done button to flip back to AccuFuel's main screen, where you'll be able to enter new fillups for your newly created vehicle.