A common problem that Tesla owners run into is the screen going black. This is a common occurrence for the Tesla Model 3, Model Y, Model X, and Model S. Fortunately, there are ways to fix it.
How to restart the Tesla system if the center screen goes blank/dark
Your tesla screen being black could be a sign that the screen is not turning on. If you have noticed that your tesla screen is frozen, I have also made a separate article about this.
It's scary to think that the touchscreen might go black while you're on the highway, but it's not a common occurrence, so you don't need to worry.
It would be best if you first tried to reset or reboot which is a foolproof method to revive the screen when it is black.