Practical  advice

Citroen C4 / Citroen C4 Owner's Manual / Practical  advice

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Fuel
A label on the inside of the fuel filler flap indicates the approved fuel quality type. DIESEL FUEL UNLEADED PETROL Petrol engines are designed to run on RON 95 fuel. However, for better ve ...

Anti-theft protection
Electronic engine immobiliser The key contains an electronic chip which has a special code. When the ignition is switched on, this code must be recognised in order for starting to be possible. T ...

RDS system
Using the RDS (radio data system) function on FM The majority of FM radio stations use the RDS system. The radio in your vehicle has this system. The RDS system enables these stations to transmit ...