See also:

RDS sytem
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 n ...

Comfort & convenient technology
The new Citroën C4 is designed for business-class travel with intuitive, intelligent technology enabling owners to tailor the new C4's environment and ambience to their own preferences. For e ...

Tyre deflation detection
Deflation detection This function warns you of tyres that are deflated or punctured. Automatic detection Sensors monitor the tyre pressures while driving. In the event of an anomaly, a message ...