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Overview
With attractive, sculpted lines; impressive build quality; and an array of original upmarket features and functions, the new Citroën C4 is a perfect balance of confidence-inspiring styling an ...

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 ...

Speed limiter
This driving aid allows you to choose a maximum speed that you do not wish to exceed. This has to be over 30 km/h (19 mph). The speed limiter controls are located on the steering wheel. Note: Th ...