Not much in the way of solid info yet, but they’re starting to tease it, with 4 images
https://www.motor1.com/news/505777/renault-megane-e-tech-teasers
Among others stuff, they seem to show a mix of capacitive and real buttons, wireless phone charger, a place marked with some kind of wireless key logo (does it mean you have to put a key there, or one of those emergency things?) and multiple user profiles.