OBD2 port Citroen C3 II (2009 - 2016) - Find your plug !
For Citroen C3/C4/C5/C6 2010 2019 Car Accessories OBD HUD Head Up Display Saft AUTO Driving Screen Projector Windshield|head up|head headwindshield projector - AliExpress
Citroen C4 OBD / EOBD Diagnostics Port Location In Car - YouTube