KevoUsmc
FRF Addict
This could also be an over the air update for 21'sIt sounds like that is exactly what it is
"Technology features in the 2019 Ford Mustang
If you are looking to personalize your vehicle, the MyMode is a good way to go. This is a technology feature that you can have if you choose the available 12-inch LCD digital instrument cluster. While this is already something that many people enjoy, the MyMode brings everything up a notch. There’s no more need to constantly set the driving mode and settings when you hop in the car. MyMode will remember your preferred settings. This means that it will change the drive mode, exhaust, and steering options to match what you personally use."
Edit: sorry didn't read ahead