Get In the event of a breakdown -> Changing a bulb Guide for Citroen C4 SUV Third Generation (2020-2025)

In the event of a breakdown

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.

It is essential only to use anti-ultraviolet

(UV) type bulbs, so as not to damage the

headlamp.

After changing a wheel

after the lamps have been on for a few

minutes.

8

With a "space-saver" type spare wheel

Never look too closely at the light beam

of LED technology lamps - risk of serious

eye injury!

Always replace a failed bulb with a new bulb

of the same type and speciﬁcation. To avoid

lighting imbalance, replace the bulbs in pairs.

Deactivate certain driving aid functions

(Active Safety Brake, Adaptive cruise control,

etc.).

Do not exceed the maximum authorised

speed of 50 mph (80 km/h).

Driving with more than one "space-saver"

type spare wheel is prohibited.

Reﬁtting the lamp units

Perform the operations in the reverse

order to dismantling.

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.

Light-emitting diode (LED)

headlamps and lamps

Depending on version, the aﬀected types of

headlamps/lamps are:

Visit a CITROËN dealer or a qualiﬁed

workshop.

Have the tightening of the spare wheel's bolts

and its tyre pressure 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.

– Use a sponge and soapy water or a pH

neutral product.

– LED technology headlamps.

– Front foglamps.

– Daytime running lamps/sidelamps.

– Direction indicator side repeaters.

– Side spotlamps.

– Brake lamps.

– Third brake lamp.

– Rear sidelamps.

– 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.

Changing a bulb

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

– Rear direction indicators

– Number plate lamps.

Changing a bulb must only be done with

the ignition oﬀ and after the headlamp /

187

In the event of a breakdown

If you need to replace this type of bulb,

you must contact a CITROËN dealer or a

qualiﬁed workshop.

Do not touch the LED technology bulbs - risk

of electrocution!

Model with halogen headlamps

Halogen bulbs (Hx)

To ensure good quality lighting, check

that the bulb is correctly positioned in its

housing.

Main/Dipped beam headlamps

Front lamps

Model with LED headlamps

1. Daytime running lamps/Sidelamps (LED)

2. Main beam headlamps (H7)

3. Dipped beam headlamps (H7)

4. Direction indicators (PY21W)

5. Foglamps (P21W or LED)

Opening the bonnet/Accessing the

bulbs

Proceed with caution when the engine is hot -

risk of burns!

► Remove the protective cover by pulling on

the tab.

1. Daytime running lamps/Sidelamps

2. Dipped beam headlamps

3. Main beam headlamps

4. Direction indicators

► Disconnect the bulb connector.

► Remove the bulb and replace it.

To reﬁt, carry out these operations in reverse

order, directing the bulb’s positioning lug

downwards.

Take care with objects or clothing that could

be caught in the blades of the cooling fan -

risk of strangulation!

5. Foglamps (P21W or LED)

Direction indicators

Rapid ﬂashing of the indicator lamp for a

direction indicator (left or right) indicates

188

In the event of a breakdown

that one of the bulbs on the corresponding

side has failed.

Foglamps (P21W)

Rear lamps

C4

8

1. Sidelamps (LED)

2. Brake lamps (P21W)

3. Reversing lamps (W16W)

4. Direction indicators (WY16W)

► Turn the connector a quarter turn

anti-clockwise.

► Pull the bulb connector.

► Remove the bulb and replace it.

For access, pass your hand under the bumper.

► Press the locking clip and disconnect the

connector.

► Turn the bulb holder a quarter turn

anti-clockwise.

C4 X

Amber-coloured bulbs must be replaced

by bulbs with identical speciﬁcations and

colour.

► Remove the bulb holder.

► Remove the bulb and replace it.

1. Sidelamps (LED)

2. Brake lamps (LED)

189

In the event of a breakdown

Foglamp (P21W)

3. Direction indicators (LED)

C4

4. Foglamp (P21W) or Reversing lamp (W16W)

Changing bulbs

C4

The bulbs are changed from inside the boot.

► Open the boot.

► Unclip the bulb holder and remove it. Be

careful not to disconnect the wiring harness.

► For the brake lamp, turn the bulb a quarter

turn and replace it.

► For the reversing lamp and direction

indicator, pull the bulb out and replace it.

For access, pass your hand under the bumper

on the left-hand side.

► Turn the bulb holder a quarter turn to the left

and pull it out.

► Turn the bulb a quarter turn to the left and

pull it out.

► Replace the bulb.

Make sure 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 unit.

► Remove the access ﬂap on the

corresponding side trim:

• Press each of the notches in the upper part

of the ﬂap to unclip it.

• Tilt the ﬂap and its support then extract the

assembly.

► Disconnect the lamp unit connector.

► Unlock the nut using a 10 mm pipe wrench

then unscrew and remove it. Be careful not to

drop it.

► Dismantle the lamp unit and carefully extract

it, pulling it straight towards the outside.

190

In the event of a breakdown

Reversing lamp/Foglamp

C4 X

Fuses

12 V battery / Accessory

battery

8

Changing a fuse

All work must be carried out only by a

CITROËN dealer or a qualiﬁed workshop

The replacement of a fuse by a third party

could cause a serious malfunction of the

vehicle.

Lead-acid starter batteries

These batteries contain harmful

substances (sulphuric acid and lead).

They must be disposed of in accordance

with regulations and must never under any

circumstances be discarded with household

waste.

Installing electrical accessories

The vehicle's electrical system is

designed to operate with standard or optional

equipment.

Before ﬁtting other electrical equipment

or accessories to your vehicle, contact a

CITROËN dealer or a qualiﬁed workshop.

Dispose of used batteries at a designated

collection point.

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, to avoid

any risk of explosion or ﬁre.

Theses bulbs are replaced from outside the rear

bumper.

CITROËN accepts no responsibility for

the cost incurred in repairing the vehicle

or for rectifying malfunctions resulting from

the installation of accessories not supplied or

not recommended by CITROËN and not

installed in accordance with its

recommendations, in particular when the

combined power consumption of all of the

additional equipment connected exceeds 10

milliamperes.

► Pass your hand under the bumper.

► Depending on version, remove the cover by

turning it a quarter turn to the left.

► Turn the bulb holder a quarter turn to the right

and pull it out.

► Turn the bulb a quarter turn to the left and

pull it out.

► Replace the bulb.

Wash your hands afterwards.

Frozen battery

Never try to charge a frozen battery - risk

of explosion!

If the battery has frozen, have it checked by a

CITROËN dealer or by a qualiﬁed workshop,

who will verify that the internal components

have not been damaged and that the case

has not cracked, which could lead to a risk of

leakage of toxic and corrosive acid.

When changing the bulb within a few

minutes of switching oﬀ the ignition, take

care not to touch the exhaust - risk of burns!

191

In the event of a breakdown -> Changing a bulb for Your Citroen C4 SUV Third Generation (2020-2025)

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