Citroen C4
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Citroen C4

See also:
Lighting rheostat
System for manual adjustment of the
brightness of the instruments and controls
in relation to the exterior brightness.
Activation
When the lighting is on:
press the button to change the
br ...
Checks
Protects the components of the engine
and provides access for checking levels. ...
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 ...






