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 ...

Space, practicality & versatility
At 4.33m long, 1.79m wide and 1.49m high, new Citroën C4 is fractionally larger than its forerunner. Despite the model's compact external dimensions, there are generous internal volumes with ...

Steering column adjustment - Seat belt height adjustment
Adjustment of height and reach of steering wheel With the vehicle at rest, unlock the steering wheel by pushing control A forwards. Adjust the height and the reach of the steering wheel, then lock ...