If the original key is renewed, the Key RT box and the original key are connected via W001 wiring;
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The specific connection method is shown in figure: 
Chip Select:
1) The key renewing window controls include:
supporting model catalog, key appearance and wiring mode picture window.
2) The supported chip types are PCF7341, PCF7345, PCF7941, PCF7945, PCF7952, PCF7953, and PCF7961.
3) Click on the model catalog to see the specific chip type, key appearance and wiring mode;
supporting welding and fixture connection method.
Key Renewing:
1)Select chip type as shown in figure:(Take Alfa Romeo PCF794)
As shown in Figure:
after selecting the vehicle model and chip type,
