This product link only contains connector cables. The volume control knob is not included, the picture only shows the function. Please purchase separately if necessary！！！

For Peugeot Citroen RCC NAC MRN Car Radio Wireless Adapter SMEG SMEG+ Replace NAC RCC Volume Control Knob Connector

The RD4, RD43, RD45 and MRN connectors are connected to the RCC, NAC radio connection cables volume control knob connector.

It is just a connecting cable and does not contain any other functions.
Not applicable for vans

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