Practical  advice

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

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Good ventilation
To obtain the best from the system, we advise: ...

Reactivation
These systems are reactivated automatically each time the ignition is switched back on or from 30 mph (50 km/h). Press the "ESP OFF" button again to reactivate them manually. ...

Audible and/or visual rear parking assistance
This system consists of four proximity sensors, located in the rear bumper. This detects any obstacle (person, vehicle, tree, gate, etc.) behind the vehicle, except obstacles located just below ...