1.button engine start 2.remote engine start 3.PKEkeyless entry(auto lock/unlock) 4.remote trunk release 5.door alarm function 6.steering lamp flash when car stop or start 7.car finding 8.vibration alarm(optional) 9.LED alarm indicator(optional) 10. probe parking brake before remote start 11.probe fuel pump before remote start 12. RFID indentification 13. support various central lock system without extra relay 14.output signal for window closer when lock door