This document introduces eCUS, a new device that plugs into an iPhone or iTouch port to read vehicle diagnostics. It has features like GPS, fuel consumption monitoring, and reading stats from 1992 models onward. It monitors various engine functions and displays them in graphs. The document provides an overview of eCUS, its special features, requirements, and includes sample videos and snapshots of the interface. It concludes by noting the release date and support services offered.