The upcoming iOS 18.4 update for the iPhone includes a smaller but meaningful improvement for Apple’s in-car iPhone mirroring system CarPlay.
Specifically, CarPlay now shows a third row of icons, up from two rows previously. However, this change is only visible in vehicles with a larger center display. For example, a MacRumors Forums member noticed the change in a Toyota Tundra with a 14-inch screen.
In our testing, CarPlay still showed two rows of four icons in a Honda Civic with a 9-inch screen.
Read more at MacRumors.com