See also:

RDS system
Using the RDS (radio data system) function on FM The majority of FM radio stations use the RDS system. The radio in your vehicle has this system. The RDS system enables these stations to transmit ...

Exterior styling
The new Citroën C4's styling is striking and purposeful, elegant and assertive. The chiselled profile bristles with premium detailing, giving a clear impression of strength and stability. The ...

Dark button
After the first press on control C, only the top part of the display remains illuminated. A second press on control C triggers black panel mode. BLACK PANEL (with headlamps on) This functi ...