Comfort
Citroen C4 / Citroen C4 Owner's Manual / Comfort
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Hands-free telephone
Your audio system may be Bluetooth® compatible. It allows you to connect a mobile
telephone for "hands free" use and even to use its directory. It permits you to
twin up to four telephon ...
Automatic lighting of hazard
warning lamps
When braking in an emergency, depending
on the deceleration, the hazard
warning lamps come on.
They will switch off automatically the
fi rst time you accelerate.
If they do not, press button A to ...
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 ...






