Trajectory control systems
See also:
Headlamps
Front headlamp unit with Xenon bulbs (D1S)
Bulbs:
A S idelamp: W5W
B Dual-function Xenon lamp (dipped/main): D1S
C A ngular lighting: HP19
D Daytime-running lamp: HP24
For the maintenance of t ...
Rear head restraints
These have a high position (comfort)
and a low position (rear visibility).
They can also be removed.
To remove a head restraint:
release the backrest using control 1 ,
tilt the backrest 2 s ...
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 ...






