How to hack a pepsi machine. Step 1: Press the buttons in order from 1-4. (Shown in Video) Step2:Select your drink with the Scroll Buttons, press the Enter Button, than exit. (1/2=Scoll Buttons, 3=Enter Button, 4=Exit Button. Shown in video.) DO NOT USE this unless the Machine has ate your money. Please comment and Rate. Song is Ignition by R Kelly.