Not sure what the CX cars have as standard but if the usual 21watt filament bulbs with BA15s base, these from Classic Car LED's should work and not upset the Canbus. As the light emitted is amber they will work behind clear len's.
Richard
2018 Roadster 3.7 1966 Land Rover S2a 88 2024 Royal Enfield Guerrilla 450 1945 Guzzi Airone