Peugeot Citroen install bluetooth module radio. Activate Audio Aux IN with Diagbox. Tested it on RD4, RD43, RD45 radio CD Peugeot Citroen. Links: – Plug and play Bluetooth module + microphone: https://s.click.aliexpress.com/e/_dUYqCGe – Bluetooth AUX Audio Adapter with Microphone Handsfree: https://s.click.aliexpress.com/e/_ANMeuR – Bluetooth Module Stereo AUX-IN Audio Adapter: https://s.click.aliexpress.com/e/_AkFXIZ – Bluetooth Module RCA Stereo AUX-IN […]