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 ...