Practical  advice

Citroen C4 / Citroen C4 Owner's Manual / Practical  advice

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Access
Locking/unlocking from the inside With the doors and the boot closed, pressing button A allows you to control the electric central locking and unlocking. It is still possible to open the doors f ...

Diesel particulate filter system
Complementary to the catalytic converter, this filter makes an active contribution to the preservation of air quality by the retaining of the unburnt pollutant particles. Black exhaust fumes are t ...

Interior volumetric protection
The system detects any variation in the volume in the passenger compartment. The alarm is triggered if anyone breaks a window or moves inside the vehicle. If you wish to leave a pet in the vehicle ...