Escape The Parking Lot Puzzle

You find yourself chained to the top of a parking lot light post. Your hands are bound together by a chain. You find a small keypad on the handcuffs with a 2 digit readout. You need to find the code! There is a note written on your arm. "What is the missing number?" You look down and see a series of numbers but there is a car blocking one of the them. That must be the number you need!