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In the event of a breakdown -> 12 V battery for Your Citroen C4 SUV Second Generation (2010-2018)

In the event of a breakdown  
12 V battery  
Procedure for starting the engine using another  
battery or charging a discharged battery.  
Access to the battery  
After refitting the battery, the Stop & Start  
system will only be active after a continuous  
period of immobilisation of the vehicle,  
a period which depends on the climatic  
conditions and the state of charge of the  
battery (up to about 8 hours).  
The presence of this label, in particular  
with the Stop & Start system, indicates  
the use of a 12 V lead-acid battery with  
special technology and specification;  
the involvement of a CITROËN dealer or  
a qualified workshop is essential when  
replacing or disconnecting the battery.  
The battery is located under the bonnet.  
For access to the (+) terminal:  
F
release the bonnet using the interior lever,  
then the exterior safety catch,  
raise the bonnet and secure it with its stay,  
lift the plastic cover for access to  
the (+) terminal.  
F
F
8
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In the event of a breakdown  
Starting using another  
battery  
When your vehicle's battery is discharged, the  
engine can be started using a slave battery  
(external or on another vehicle) and jump lead  
cables.  
F
F
Start the engine of the vehicle with the  
good battery and leave it running for a few  
minutes.  
Operate the starter on the broken down  
vehicle and let the engine run.  
If the engine does not start straight away,  
switch off the ignition and wait a few  
moments before trying again.  
First check that the slave battery has a  
nominal voltage of 12 V and a capacity  
at least equal to that of the discharged  
battery.  
Do not try to start the engine by  
connecting a battery charger.  
Do not disconnect the (+) terminal when  
the engine is running.  
F
F
Wait until the engine returns to idle then  
disconnect the jump lead cables in the  
reverse order.  
Refit the plastic cover to the (+) terminal, if  
your vehicle has one.  
F
F
Remove the plastic cover from  
the (+) terminal, if your vehicle has one.  
Connect the red cable to the positive  
terminal (+) of the flat battery A, then to the  
positive terminal (+) of the slave battery B.  
Connect one end of the green or black  
cable to the negative terminal (-) of the  
slave battery B (or earth point on the other  
vehicle).  
F
F
Connect the other end of the green or black  
cable to the earth point C on the broken  
down vehicle (or on the engine mounting).  
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In the event of a breakdown  
Charging the battery using  
a battery charger  
Reinitialisation after  
reconnection  
After any reconnection of the battery, switch on  
the ignition and wait at least one minute before  
starting, to allow time for the initialisation of the  
electronic systems.  
With Stop & Start, the battery does not  
have to be disconnected for charging.  
By referring to the corresponding sections, you  
should set or initialise the following systems  
yourself:  
F
F
Disconnect the battery from the vehicle.  
Follow the instructions for use provided by  
the manufacturer of the charger.  
Connect the battery starting with the  
negative terminal (-).  
Check that the terminals and connectors  
are clean. If they are covered with sulphate  
(whitish or greenish deposit), remove them  
and clean them.  
-
-
-
one-touch electric windows,  
time and date,  
audio and navigation system settings.  
F
F
Disconnecting the (+) cable  
Check that no alert message or warning lamp  
comes on after switching on the ignition.  
However, if minor problems persist after  
carrying out these operations, contact a  
CITROËN dealer or a qualified workshop.  
F
Raise the locking tab D fully to release the  
cable terminal clamp E.  
Reconnecting the (+) cable  
F
F
F
Position the open clamp E of the cable on  
the positive post (+) of the battery.  
Press vertically on the clamp E to position  
it correctly on the battery.  
Lock the clamp by spreading the  
positioning lug and then lowering the tab D.  
Before disconnecting the battery  
Wait 2 minutes after switching off the ignition  
before disconnecting the battery.  
Close the windows and the doors before  
disconnecting the battery.  
8
Do not apply excessive force on the  
tab as locking will not be possible if the  
clamp is not positioned correctly; start  
the procedure again.  
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In the event of a breakdown  
Do not push the vehicle to start the  
engine if your vehicle has an automatic  
gearbox.  
Some functions are not available if the  
battery is not sufficiently charged.  
Protect your eyes and face before  
handling the battery.  
All operations on the battery must be  
carried out in a well ventilated area and  
away from naked flames and sources  
of sparks, so as to avoid the risk of  
explosion or fire.  
Do not try to charge a frozen battery;  
the battery must first be thawed out to  
avoid the risk of explosion. If the battery  
has been frozen, before charging have  
it checked by a CITROËN dealer or a  
qualified workshop who will check that  
the internal components have not been  
damaged and the casing is not cracked,  
which could cause a leak of toxic and  
corrosive acid.  
The batteries contain harmful substances  
such as sulphuric acid and lead. They  
must be disposed of in accordance  
with regulations and must not, in any  
circumstances, be discarded with household  
waste.  
Take used remote control batteries and  
vehicle batteries to a special collection point.  
It is advisable to disconnect the battery if  
the vehicle is to be left unused for more  
than one month.  
Do not reverse the polarity and use only  
a 12 V charger.  
Do not disconnect the terminals while  
the engine is running.  
Do not charge the batteries without  
disconnecting the terminals first.  
Wash your hands afterwards.  
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