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In the event of a breakdown -> Changing a bulb for Your Citroen C4 Cactus SUV Second Generation (2018-2024)

In the event of a breakdown  
After changing a wheel  
Always replace a failed bulb with a new bulb  
of the same type and specification. To avoid  
lighting imbalance, replace the bulbs in pairs.  
Changing a bulb  
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Store the punctured wheel in the boot or,  
depending on version, remove the central cover  
first to store it beneath the floor in place of the  
spare wheel.  
In some weather conditions (e.g. low  
temperature or humidity), misting on the  
internal surface of the glass of the headlamps  
and rear lamps is normal, and will disappear  
after the lamps have been on for a few  
minutes.  
Opening the bonnet / Accessing the  
bulbs  
With the engine warm, proceed with caution -  
risk of burns!  
Take care with objects or clothing that could  
be caught in the blades of the cooling fan -  
risk of strangulation!  
The headlamps have polycarbonate  
lenses with a protective coating:  
Do not clean them with a dry or abrasive  
cloth, nor with detergent or solvent  
products.  
– Use a sponge and soapy water or a pH  
neutral product.  
– When using a high-pressure washer on  
persistent marks, do not keep the lance  
directed towards the headlamps, lamps or  
their edges for too long, so as not to damage  
their protective coating and seals.  
With a "space-saver" type spare wheel  
Deactivate certain driving aid functions  
(Active Safety Brake, etc.).  
Do not exceed the maximum authorised  
speed of 50 mph (80 km/h).  
Halogen bulbs (Hx)  
Driving with more than one “space-saver”  
type spare wheel is prohibited.  
To ensure good quality lighting, check  
that the bulb is correctly positioned in its  
housing.  
Visit a CITROËN dealer or a qualified  
workshop as soon as possible to have  
the tightness of the bolts and the pressure of  
the spare wheel checked.  
Have the punctured tyre examined. After  
inspection, the technician will advise you on  
whether the tyre can be repaired or if it must  
be replaced.  
After changing a bulb  
To refit, carry out the fitting operations in  
reverse order.  
Close the protective cover very carefully to  
guarantee the sealing of the lamps.  
Changing a bulb must only be done with  
the ignition off and after the headlamp /  
lamp has been switched off for several  
minutes - risk of serious burns!  
Do not touch the bulb directly with your  
fingers; use a lint-free cloth.  
Light-emitting diode (LED)  
headlamps and lamps  
It is essential only to use anti-ultraviolet  
(UV) type bulbs, so as not to damage the  
headlamp.  
Depending on version, the affected types of  
headlamps / lamps are:  
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In the event of a breakdown  
– Daytime running lamps / sidelamps.  
– Third brake lamp.  
Dipped beam headlamps  
Main beam headlamps  
– Rear sidelamps.  
– Rear foglamp(s).  
For the replacement of this type of bulb,  
you must contact a CITROËN dealer or a  
qualified workshop.  
Front lamps  
► Remove the protective cover by pulling the  
tab.  
► Remove the protective cover by pulling the  
tab.  
Take the connector and bulb holder, then lift  
the assembly upwards to unclip it.  
► Remove the assembly of connector and bulb  
holder.  
► Disconnect the bulb connector (do not  
remove the earth connector located below).  
► Push on the spring, then move it towards the  
middle of the vehicle to release the bulb.  
► Remove the bulb and replace it.  
Direction indicators  
1. Daytime running lamps / Sidelamps (LED).  
2. Dipped beam headlamps (H7).  
3. Main beam headlamps (H1).  
4. Direction indicators (PY21W)..  
5. Foglamps (PS24W).  
► Disconnect the bulb connector.  
► Remove the bulb and replace it.  
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In the event of a breakdown  
Rapid flashing of a direction indicator  
lamp (left or right) indicates that one of  
the bulbs on the corresponding side has  
failed.  
4. Reversing lamps (W16W).  
5. Direction indicators (PY21W).  
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Replacing lamp units  
► Turn the bulb holder a eighth of a turn anti-  
clockwise and remove it.  
► Open the boot.  
► Remove the bulb and replace it.  
Amber coloured bulbs must be replaced  
by bulbs with identical specifications and  
colour.  
► Remove the bulb holder by squeezing the  
two clips (top and bottom) using a thumb and  
forefinger.  
Front foglamps  
► Change the module (bulb holder and bulb).  
To replace this type of bulb, you can also  
contact a CITROËN dealer or a qualified  
workshop.  
Rear lamps  
► Below the front bumper, unscrew the 3 mud  
guard fixing screws.  
► Move the mud guard aside to allow access to  
the front foglamp.  
► Disconnect the bulb holder connector by  
pressing the tab, located at the top.  
► Remove the side trim to access the lamp unit  
fixings.  
► Disconnect the lamp unit connector A by  
pressing the release button (located under the  
connector for the right-hand side and above the  
connector for the left-hand side).  
► Unscrew the nut B and remove it (ensure it  
does not fall inside the wing).  
► Press down on the lamp unit retaining tab C,  
then carefully remove it towards the outside.  
1. Brake lamps (P21W).  
2. Foglamp(s) (LED).  
3. Sidelamps (LED).  
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In the event of a breakdown  
• for the other lamps, press gently on it and  
turn the corresponding bulb a quarter turn  
anti-clockwise.  
Interior lighting  
Courtesy lamp with bulbs (W5W)  
Make sure that the reversing lamp is  
connected properly before reinserting the  
bulb holder.  
Make sure that the lamp unit is engaged in its  
guides, keeping it in line with the centreline  
of the vehicle, then tighten without forcing to  
ensure correct sealing.  
Number plate lamps (W5W)  
► Using a thin, flap tip screwdriver, unclip the  
entire console surrounding the courtesy lamp.  
► Remove the defective bulb and replace it.  
► Fit the console back into place around the  
courtesy lamp and clip it correctly.  
Boot (W5W)  
► Insert a thin screwdriver into one of the cut-  
outs in the lens.  
► Move the retaining tabs away from the bulb  
holder and take it out.  
► Push it out to unclip it.  
► Remove the lens.  
► Disconnect the sidelamp connector D and  
remove the bulb holder.  
► Replace the faulty bulb.  
To refit, press the lens to clip it in.  
► Replace the failed bulb:  
• for the reversing lamp, pull the bulb (lower),  
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