The CAS G-scan FCA Secure Gateway Software Update enables the G-scan series of tools (G-scan3, G-scan2, and G-ScanTab) the ability to access FCA Secure Gateway Module equipped vehicles starting in MY 2018 through MY 2020. The update brings integrated video links giving the user instant access to procedural guidance videos specific to the service function of the tool they are using, as well as a Special Functions button on the main screen for most commonly accessed functions such as oil resets, steering angle sensor calibrations, or ADAS calibrations. Added vehicle coverages include many 2020 model year GM vehicles, multiple Mercedes Benz models, 2018-2020 Fiat Chrysler, and 25 other car lines.