See also:

Anti-skid regulation (ASR) and electronic stability programme (ESP)
The anti-skid regulation (also known as Traction Control) optimises traction to prevent skidding of the wheels, by acting on the brakes of the driving wheels and on the engine. The electronic sta ...

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 ...

Main lighting
The various front and rear lamps of the vehicle are designed to adapt the driver's visibility progressively according to climatic conditions: - sidelamps, to be seen, - dipped beam headlamps to s ...