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:
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 ...
Keys
Electronic immobiliser key
The key operates all the vehicle’s locks as well as the ignition.
The key can be used to deactivate the front passenger’s airbag. See “Airbags”.
Central locking using t ...
Options
Once the "Options" menu has been selected,
you can start diagnostics of the
status of the equipment (active, not active,
faulty). ...