This turned ETIS into a playground for hackers and modders. Using the As-Built data, owners figured out how to enable European features on US cars. You could use a $20 USB cable and free software to tell your car’s computer, "Hey, that European build says you should have 'Global Window Close' and 'Cornering Fog Lamps.' Turn them on."
For years, a mysterious feature code appeared on thousands of Ford builds simply labeled: ford etis online
Nobody at the dealership could explain it. Was it a winter storage blanket? A special upholstery? The internet lost its mind. It turned out to be a translation glitch for a Dutch word relating to a "storage net" or a "cargo cover," but the legend stuck. ETIS was the only place you could find out if your car was legally required to have pajamas. Beyond the parts catalog, ETIS hosted the "As-Built" data. This is the raw binary code (the actual 1s and 0s) programmed into every module of the car—the Body Control Module, the ABS, the Instrument Cluster. This turned ETIS into a playground for hackers and modders