Apparently, the Model 3 will be the first car to employ the Tesla Glass product from their new glass technology group. It's the same glass that's to be used in the solar roof tiles.
Tesla Model 3 will feature new type of glass developed in-house, Elon Musk confirms ‘Tesla Glass’ tech group
Tesla Model 3 will feature new type of glass developed in-house, Elon Musk confirms ‘Tesla Glass’ tech group