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Practical information -> Changing a bulb for Your Citroen Ds4 SUV Second Generation (2021-2025)

Changing a bulb  
The headlamps are fitted with  
polycarbonate glass with a protective  
coating:  
)
Do not touch the bulb directly with  
your fingers, use lint-free cloths.  
Risk of electrocution  
Xenon bulbs (D1S-35W) must be  
replaced by a CITROËN dealer or a  
qualified workshop.  
Changing a bulb should only be done  
after the headlamp has been switched  
off for a few minutes (risk of serious  
burns).  
)
do not clean them using a dry  
or abrasive cloth, nor with a  
detergent or solvent product,  
use a sponge and soapy water,  
when using a high pressure  
)
)
It is imperative to use only  
anti-ultraviolet (UV) type bulbs in order  
not to damage the headlamp.  
Always replace a failed bulb with a  
new bulb with the same type and  
specification.  
washer on persistent marks, do not  
keep the lance directed towards  
the lamps or their edges for too  
long, so as not to damage their  
protective coating and seals.  
Bulbs with lugs, type H1, H7... take care  
to position them correctly to ensure the  
best lighting.  
 
257  
Practical information  
Front lamps  
Model with xenon and directional  
headlamps  
1. Directional dipped/main beam  
headlamps (D1S-35W).  
2. Direction indicators (PY21W amber).  
3. Daytime running lamps (P21/5W XL).  
4. Sidelamps (LEDs).  
Model with halogen headlamps  
Access to bulbs  
Depending on the engine and only on the left  
hand side, you must first carry out the following  
operations for access to the protective covers  
on the bulbs.  
1. Direction indicators (H21 clear).  
2. Dipped beam headlamps (H7-55W).  
3. Main beam headlamps (H1-55W).  
4. Daytime running lamps (P21/5W XL).  
5. Sidelamps (LEDs).  
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Remove the air deflector by unclipping  
each of its three attachment points.  
Unclip the bonnet release cable at its two  
fixings.  
6. Foglamps (H11-55W).  
5. Foglamps (H11-55W).  
Move the cable down.  
After changing the failed bulb, remember to  
put everything back in place (cable and air  
deflector).  
 
Model with Xenon headlamps  
Changing direction indicator  
bulbs  
Changing dipped beam headlamp  
bulbs (only on models with  
halogen headlamps)  
)
Remove the protective cover by pulling on  
its tongue.  
)
)
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Disconnect the electrical connector.  
Separate the springs to release the bulb.  
Pull the bulb out and replace it.  
Rapid flashing of the direction indicator  
warning lamp (right or left) indicates the  
failure of a bulb on that side.  
)
Remove the protective cover by pulling on  
the tab.  
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)
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Disconnect the bulb connector.  
Spread the springs to release the bulb.  
Extract the bulb and change it.  
To reassemble, carry out these operations in  
reverse order.  
Model with halogen headlamps  
To reassemble, carry out these operations in  
reverse order.  
)
Turn the bulb holder a quarter of a turn and  
extract it.  
Pull out the bulb and change it.  
Amber coloured bulbs, such as the  
direction indicators, must be replaced  
with bulbs of identical specifications  
and colour.  
)
When refitting, close the protective  
cover carefully to preserve the sealing  
of the headlamp.  
To reassemble, carry out these operations in  
reverse order.  
 
259  
Practical information  
Changing main beam headlamp  
bulbs (only on models with  
halogen headlamps)  
Changing daytime running lamp  
bulbs  
Changing integrated direction  
indicator side repeaters  
)
Remove the protective cover by pulling on  
the tab.  
)
Insert a screwdriver towards the centre of  
the repeater between the repeater and the  
base of the mirror.  
)
Remove the protective cover by pulling on  
the tab.  
)
)
Disconnect the bulb connector.  
Turn the bulb holder a quarter of a turn and  
extract it.  
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)
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Disconnect the bulb connector.  
Squeeze the springs to release the bulb.  
Pull out the bulb and replace it.  
)
)
Tilt the screwdriver to extract the repeater  
and remove it.  
Disconnect the repeater connector.  
)
Pull the bulb and change it.  
To reassemble, carry out these operations in  
reverse order.  
To reassemble, carry out these operations in  
reverse order.  
To reassemble, carry out these operations in  
reverse order.  
Contact a CITROËN dealer or a qualified  
workshop to obtain replacement repeaters.  
 
Changing the side spotlamps  
Changing the LED lamps/sidelamps Changing foglamp bulbs  
)
)
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Introduce a flat screwdriver in the hole in  
the finisher.  
Pull and lever to unclip the bumper finisher  
(the parking sensor stays with the finisher).  
Remove the two module fixing screws and  
remove it from its housing.  
For the replacement of this type of LED lamp,  
contact a CITROËN dealer or a qualified  
workshop.  
For the replacement of this type of LED lamp,  
contact a CITROËN dealer or a qualified  
workshop.  
)
)
Disconnect the bulb holder connector.  
Turn the bulb holder a quarter of a turn and  
extract it.  
)
Pull the bulb and change it.  
To refit, carry out these operations in reverse  
order.  
To replace these bulbs you may also contact a  
CITROËN dealer or a qualified workshop.  
 
261  
Practical information  
Rear lamps  
1. Brake lamps (P21/5W).  
2. Sidelamps (LEDs).  
3. Direction indicators (PY21W amber)  
4. Reversing lamp (P21W).  
5. Rear foglamps (P21W).  
Changing stop lamp, reversing lamp and direction indicator bulbs  
These three bulbs are changed from inside the boot:  
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open the boot,  
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remove the foam seal,  
remove the access grille from the  
corresponding side trim panel,  
slacken the two nuts using a 10 mm tube  
spanner then remove the nuts by hand,  
unclip the lamp unit connector,  
extract the lamp unit carefully pulling in its  
middle towards the outside,  
unclip the two small secondary connectors,  
spread the two tabs and remove the bulb  
holder,  
turn the bulb a quarter of a turn and  
change it.  
)
Amber bulbs, such as those for the  
direction indicators, must be replaced  
by bulbs of the same rating and colour.  
The lamps on the tailgate, other than  
the guide lamps, are dummy units.  
They are there for aesthetic  
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To reassemble, carry out these operations in  
reverse order.  
Take care to engage the lamp unit in its guides,  
while keeping it in line with the vehicle.  
Tighten sufficiently to ensure sealing, but  
without damaging the lamp.  
purposes only.  
 
Changing the LED lamps/sidelamps Number plate lamps (W5W)  
Third brake lamp (LEDs)  
For the replacement of this type of LED lamp,  
contact a CITROËN dealer or a qualified  
workshop.  
For the replacement of this type of LED lamp,  
contact a CITROËN dealer or a qualified  
workshop.  
To facilitate the removal of the lamp, carry out  
this operation with the tailgate half open.  
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Insert a thin screwdriver into the lens  
cutout.  
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)
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Push it outwards.  
Remove the lens.  
Change the faulty bulb.  
To refit, press on the lens to clip it in place.