See also:

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 ...

Trims
The new Citroën C4 is available in three trim levels - VTR, VTR+ and Exclusive. The entry-level VTR comes generously equipped, including six airbags, ESP, Hill Start Assist, manual air cond ...

Maintenance indicator
Maintenance indicator It informs you when the next routine service is due in accordance with the vehicle servicing schedule in the Maintenance Guide. This information is dependent on two paramete ...