1 Plug and play

2 Retrofit wireless&wired apple carplay and android auto into the factory existing screen

3 All factory features retain as same as before

4 Factory steering control works apple carplay and android auto

5 Siri or ok google voice control use the factory microphone,no need external microphone

6 Apple map,google map,Waze map use this system,never pay updating the factory map any more.

7 Apple music, Spotify play through the factory speaks ,it is more fun to drive.