Practical  advice

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

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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 ...

Hill start assist
To aid starting on a gradient, your vehicle is equipped with a system which keeps it immobilised for a short time (about 2 seconds), the approximate time it takes to move your foot from the brake ...

Ventilation
Air intake Make sure that the exterior air inlet grille at the base of the windscreen is clean (free of dead leaves, snow etc.). If washing the vehicle with a high pressure jet, take care to avo ...