See also:

Radio-CD
With the Audio system switched on, once the "Radio-CD" menu has been selected you can activate or deactivate the functions linked with use of the radio (RDS, REG), or the CD (introscan, ...

Safety advice
Any operation under the bonnet necessitates a number of safety precautions. Be particularly careful both before and during all checks under the bonnet: Allow the engine to cool down. Keep children ...

Efficient engineering
Citroën has utilised the latest industrial technologies, along with a 'part by part' focus on reducing the weight and number of components in new C4. For example, the laser welding on the roo ...