fog light bulb CITROEN C4 AIRCROSS 2021 Handbook (in English)

16
Operation indicator lamps
If one of the following indicator lamps comes on, this confirms that the corresponding system has come into operation.
It may be accompanied by an audible signal and a message in the instrument panel screen.Warning /indicator lampis on Cause Action / Observations
Left-hand
direction
indicator flashing with audible
warning.
The lighting stalk has been pressed
downwards. If this indicator lamp flashes abnormally quickly, this
could indicate that the bulb of one of the direction
indicators has blown. Change the bulb or contact a
CITROËN dealer or a qualified workshop.
Right-hand
direction
indicator flashing with audible
warning.
The lighting stalk has been pushed
upwards. If this indicator lamp flashes abnormally quickly, this
could indicate that the bulb of one of the direction
indicators has blown. Change the bulb or contact a
CITROËN dealer or a qualified workshop.
Sidelamps or
dipped beam
headlamps fixed.
The sidelamps or dipped beam
headlamps are on.
Main beam
headlamps fixed.
The lighting stalk is pulled towards
you. Pull the stalk to return to dipped beam headlamps.
Front foglamps fixed. The front foglamps are switched on. Turn the ring on the stalk rear wards twice to switch off
the front foglamps.
Rear foglamp sfixed. The rear foglamps are switched on. Turn the ring on the stalk rear ward to switch off the
rear foglamps.
Monitoring

182
Changing a bulb
For bulbs that have alignment
lugs (H1, H7...) ensure that they are
fitted correctly for the best lighting
performance.
The headlamps have polycarbonate
lenses with a protective coating:
F

d

o not clean them using a dr y
or abrasive cloth, nor with a
detergent or solvent product,
F

u

se a sponge and soapy water,
F

w

hen using a high pressure 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.
F

D

o not touch the bulb directly with
your fingers, use lint-free cloths.
Changing a bulb should only be done
after the headlamp has been switched
off for several minutes (risk of serious
burns).
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.
Risk of electrocution
Replacement of the xenon bulbs
(D1S-35W) must be carried out by
a CITROËN dealer or a qualified
workshop.
Front lamps
1. Direction indicators ( W Y21W-21W ).
2. M ain beam headlamps (H1-55W).
3.
D

ipped beam headlamps (H11-55W)


or
X

enon bulb (D1S-35W).
4.
S

idelamps (W5W-5W).
5.
D

aytime running lamps (P13W-13W).
6.
D

aytime running lamps / sidelamps
(light emitting diodes-LEDs).
7.
F

ront foglamps (H11-55W).
Practical information

184
Changing sidelamp
bulbs (4)
F Remove the protective plastic cover.
F T urn the bulb holder to the left and pull it
out.
F

R
emove the bulb and its base by pressing
on the lug at the bottom.
F

C
hange the bulb.
For reassembly, carry out these operations in
reverse order.
Changing main beam headlamp
bulbs (2)
F Turn the bulb holder a quarter turn to the left and pull it out.
F

P
ull out the bulb and replace it.
To reassemble, carry out these operations in
reverse order.
Changing the daytime running
lamps / sidelamps (light- emitting
diodes - LEDs) (6)
For the replacement of this type of LED lamp,
contact a CITROËN dealer or a qualified
workshop.
Changing dipped headlamp
bulbs (3)
For the replacement of these bulbs, contact a
CITROËN dealer or a qualified workshop.
To replace these bulbs contact a CITR
oËn


dealer or a qualified workshop.
Changing front foglamp
bulbs (7) / daytime running
lamp bulbs (5)
Practical information