Switching on
At night, the illumination of footwell and the central dashboard stoarge compartment comes on automatically when the sidelamps are switched on.


On certain versions, three lamps located in the support between the roof and the automatic day/night interior mirror come on as well.
See also:
Anti-intrusion alarm
The anti-intrusion alarm provides:
Exterior perimeter protection by means of detectors on the vehicle access points
(doors, boot, bonnet).
Electrical supply protection.
Interior volumetric prot ...
Exceeding the programmed speed
Intentional or unintentional exceeding of the programmed
speed results in fl ashing of this speed on the display.
Return to the programmed speed, by means of intentional
or unintentional decelerati ...
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 ...






