Practical advice
Citroen C4 / Citroen C4 Owner's Manual / Practical advice
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Operating fault
In the event of a fault with
the brightness sensor,
the lighting come on, this
warning lamp is displayed
on the instrument panel and/or a message
appears on the multifunction screen,
accompanied ...
Starting using another battery
Connect the red cable to the positive
terminal (+) of the fl at battery A ,
then to the positive terminal (+) of
the slave battery B .
Connect one end of the green or black
cable to ...
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 ...






