Many newer cars have LCD displays for the factory radio but they don't necessarily use this screen for much more than displaying the music source and menu options. On certain vehicles, we are able to utilize the factory screen to display an aftermarket backup camera with the use of special modules or harnesses.
This Scion tC had a factory Pioneer head unit which does not have a direct RCA input like aftermarket Pioneer receivers. We used a special harness from Axxess that lets us hook up a reverse trigger and RCA plug camera to the original deck. Customers may prefer this as it keeps the interior looking factory and retains all other factory functions.