You have a touchscreen for Android Auto or Apple CarPlay. However, the screen is too far to safely operate it with your hand so, manual control is a great option.
Touchscreens are a bad fit for automobiles. Physical control is easier to manage while driving. Much less shift of attention from driving, and the screen can be located farther away from the driver, reducing focal distance difference. The second point matters a lot to older drivers who need reading glasses to see nearer things clearly.
