I’d be very cautious with having an OLED screen in a car, assuming you’re planning on owning it for the long haul. For the most part when you’re driving your screen isn’t changing what it displays (outside the speedometer) so you’ll probably end up having burn-in issues within a few years, specifically in areas where you’ll see one constant / fixed image.
This was a common problem with the OLED TVs that people were experiencing. For example if you’re not aware - let’s say you had on CNN or Fox News (can’t say I’m bias now haha) on your OLED TV and never turned it off, where it shows their brand logo that’s pretty much always shown on one part of your TV, after so many hours of that being displayed there that image actually burns into the screen, so when you’d change the channel you’ll slightly see the logo.
If you’re driving hours upon hours at a time it wouldn’t shock me the least if after a few years that’ll happen.