Operating faults
If there is an operating fault, when reverse gear is engaged the service warning lamp comes on, accompanied by an audible signal (short beep) and a message on the multifunction screen.
In bad or wintry weather, ensure that the sensors are not covered with mud, frost or snow.
See also:
Radio pre-equipment
CITROËN radio option
See the separate instruction booklet in the vehicle document pack.
Radio connections
Consult your CITROËN dealer
Fitting of front and rear loudspeakers
Consult ...
USB reader
This connection box, consisting of a
JACK socket and a USB port, is located
on the centre console.
It permits the connection of portable
equipment, such as a digital audio player
of the iPod ® ...
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 ...






