There is another way to program your vehicles electronics. It is a flash chip that gets wired into the OBD2 connection in your car. It is made by a company called VOLO. The VOLO product analyzes the system in your car and contains a micro processor that makes adjustments to enable your car to work with HHO. Volo is the expert in this technology. I provide a direct link to there website, just click on the Volo photo and it will take you directly to Volo where you can order a chip at manufactures cost. They are vehicle specific.