See also:

Charging the battery using a battery charger
Disconnect the battery from the vehicle. Follow the instructions for use provided by the manufacturer of the charger. Reconnect starting with the negative terminal (-). Check that the t ...

HiFi system
The Hi-Fi system, custom built for your cabin, is made up of: A high power DSP (Digital Signal Processing) digital amplifier. A subwoofer bass box (30 Hz - 100 Hz). 8 specific loudspeakers. An MP3 ...

Comfort & convenient technology
The new Citroën C4 is designed for business-class travel with intuitive, intelligent technology enabling owners to tailor the new C4's environment and ambience to their own preferences. For e ...