1 The wireless apple carplay and android auto retrofit into the factory existing screen

2 All factory functions will retain as same as before

3 Factory touch and wheel control the Apple CarPlay and Android Auto Apps

4 Apple CarPlay and Android Auto use the factory existing microphone ,no need to install an external microphone

5 All Apple CarPlay and Android sound through the factory speaks

6 Factory" iPod "or "back" button  switch between Apple CarPlay and the factory system.