See also:

Ventilation
Air intake Make sure that the exterior air inlet grille at the base of the windscreen is clean (free of dead leaves, snow etc.). If washing the vehicle with a high pressure jet, take care to avo ...

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 ...

Power & dynamics
On the road, the new Citroën C4 combines the highest standards of ride smoothness and responsive handling for an enjoyable driving experience. The suspension settings are tailored to the powe ...