See also:

Anti-tamper function
The system detects the putting out of service of its components. The alarm is triggered if anyone tries to put the wires of the siren, the central control or the battery out of service. Do not ma ...

Efficient engineering
Citroën has utilised the latest industrial technologies, along with a 'part by part' focus on reducing the weight and number of components in new C4. For example, the laser welding on the roo ...

Checks
Unless otherwise indicated, check these components in accordance with the Maintenance and Warranty Guide and according to your engine. Otherwise, have them checked by a CITROËN dealer. Batt ...