2010 Citroen C4 bulb
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73
V I S I B I L I T Y
V
Automatic illumination of
headlamps
The sidelamps and dipped beam headlamps
are switched on automatically, without any
action on the part of the driver, when a low
level of external light is detected or in certain
cases of activation of the windscreen wipers.
As soon as the brightness returns to a suf-
fi c i e n t l e v e l o r a f t e r t h e w i n d s c r e e n w i p e r s
are switched off, the lamps are switched off
automatically.
Activation
Turn ring A to the "AUTO" posi-
tion. The automatic illumination
of headlamps is accompanied by
a message on the multifunction
screen.
Deactivation
Turn ring A to a position other
than "AUTO" . Deactivation is
accompanied by a message on
the multifunction screen. Linking with the automatic
Guide-me-home lighting
Association with the automatic illu-
mination of headlamps provides the
guide-me-home lighting with the fol-
lowing additional options:
- selection of the lighting duration
to 15, 30 or 60 seconds in the
vehicle parameters on the mul-
t i f u n c t i o n s c r e e n c o n fi g u r a t i o n
menu (in the case of the mono-
chrome screen A, the duration is
fi x e d ) ,
- automatic activation of guide- me-home lighting when auto-
matic illumination of headlamps
is in operation.
Operating fault
In the event of a malfunction of the
sunshine sensor, the lamps comes
on, a message appears on the multi-
function screen, accompanied by an
audible signal.
Consult a CITROËN dealer.
In fog or snow, the sunshine sen-
s o r m a y d e t e c t s u f fi c i e n t l i g h t .
Therefore, the lighting will not
come on automatically.
Do not cover the sunshine sen-
sor, linked with the rain sensor and
located in the centre of the wind-
screen behind the rear view mirror;
the associated functions would no
longer be controlled.
MANUAL ADJUSTMENT OF THE HEADLAMPS
To avoid dazzling other road users,
the height of the halogen bulb head-
lamps must be adjusted according
to the load in the vehicle.
To do this, turn the control, located
below the fascia to the right of the
driver, to the appropriate position:
0. 1 or 2 people in the front seats.
-. 3 people.
1. 5 people.
-. Intermediate setting.
2. 5 people + maximum authorised
loads.
-. Intermediate setting.
3. Driver + maximum authorised
loads.
The initial setting is position "0" .
O n v e h i c l e s fi t t e d w i t h x e n o n b u l b s
the height of the headlamps is ad-
justed automatically.
Page 84 of 284
73
V I S I B I L I T Y
V
Automatic illumination of
headlamps
The sidelamps and dipped beam headlamps
are switched on automatically, without any
action on the part of the driver, when a low
level of external light is detected or in certain
cases of activation of the windscreen wipers.
As soon as the brightness returns to a suf-
fi c i e n t l e v e l o r a f t e r t h e w i n d s c r e e n w i p e r s
are switched off, the lamps are switched off
automatically.
Activation
Turn ring A to the "AUTO" posi-
tion. The automatic illumination
of headlamps is accompanied by
a message on the multifunction
screen.
Deactivation
Turn ring A to a position other
than "AUTO" . Deactivation is
accompanied by a message on
the multifunction screen. Linking with the automatic
Guide-me-home lighting
Association with the automatic illu-
mination of headlamps provides the
guide-me-home lighting with the fol-
lowing additional options:
- selection of the lighting duration
to 15, 30 or 60 seconds in the
vehicle parameters on the mul-
t i f u n c t i o n s c r e e n c o n fi g u r a t i o n
menu (in the case of the mono-
chrome screen A, the duration is
fi x e d ) ,
- automatic activation of guide- me-home lighting when auto-
matic illumination of headlamps
is in operation.
Operating fault
In the event of a malfunction of the
sunshine sensor, the lamps comes
on, a message appears on the multi-
function screen, accompanied by an
audible signal.
Consult a CITROËN dealer.
In fog or snow, the sunshine sen-
s o r m a y d e t e c t s u f fi c i e n t l i g h t .
Therefore, the lighting will not
come on automatically.
Do not cover the sunshine sen-
sor, linked with the rain sensor and
located in the centre of the wind-
screen behind the rear view mirror;
the associated functions would no
longer be controlled.
MANUAL ADJUSTMENT OF THE HEADLAMPS
To avoid dazzling other road users,
the height of the halogen bulb head-
lamps must be adjusted according
to the load in the vehicle.
To do this, turn the control, located
below the fascia to the right of the
driver, to the appropriate position:
0. 1 or 2 people in the front seats.
-. 3 people.
1. 5 people.
-. Intermediate setting.
2. 5 people + maximum authorised
loads.
-. Intermediate setting.
3. Driver + maximum authorised
loads.
The initial setting is position "0" .
O n v e h i c l e s fi t t e d w i t h x e n o n b u l b s
the height of the headlamps is ad-
justed automatically.
Page 85 of 284
74
V I S I B I L I T Y
V
AUTOMATIC ADJUSTMENT OF THE XENON HEADLAMPS
In order to avoid causing a nuisance
to other road users, this system cor-
rects the height of the xenon head-
lamps beam automatically and when
stationary, in relation to the load in
the vehicle. If a malfunction occurs,
this warning lamp is
displayed on the instru-
ment panel, accom-
panied by an audible
signal and a message on the multi-
function screen.
The system then places your head-
lamps in the lowest position.
If a malfunction occurs, do not
touch the xenon bulbs. Consult a
CITROËN dealer.
When the dipped or main beam
headlamps are on, this function en-
ables the light beam to follow the
direction of the road.
The use of this function, coupled
with the xenon headlamps only,
considerably improves the quality of
your lighting when cornering.
with directional lighting
without directional lighting Programming
The function is activa-
ted or deactivated via
the multifunction screen
c o n fi g u r a t i o n m e n u .
Operating fault If a malfunction occurs, this
w a r n i n g l a m p fl a s h e s o n t h e
instrument panel, accompa-
nied by a message on the
multifunction screen.
Consult a CITROËN dealer.
When stationary or moving at very
low speed or when reverse gear is
engaged, the system is inactive.
The status of the system remains
in the memory when the ignition is
switched off.
O n v e h i c l e s fi t t e d w i t h d a y t i m e r u n -
ning lamps, the function is activated if
the lighting stalk is in the "AUTO" or
"Dipped/main beam headlamps"
position. In position "0" , the function
is not activated.
Page 163 of 284
139
XI
P R A C T I C A L I N F O R M A T I O N Model with halogen headlamps
T h e h e a d l a m p s a r e fi t t e d w i t h p o l y -
carbonate glass with a protective
coating:
do not clean them using a dry
or abrasive cloth, nor with a
detergent or solvent product,
u s e a s p o n g e a n d s o a p y w a t e r ,
when using a high pressure
washer on persistent marks, do
not direct at the lamps or their
outlines for too long, so as not to
damage their protective coating
a n d s e a l s .
D o n o t t o u c h t h e b u l b d i -
r e c t l y w i t h y o u r fi n g e r s ,
u s e l i n t - f r e e c l o t h s .
Changing a halogen bulb should
o n l y b e d o n e a f t e r t h e h e a d l a m p
has been switched off for a few
m i n u t e s ( r i s k o f s e r i o u s b u r n s ) .
I t i s i m p e r a t i v e t o u s e o n l y a n t i - u l t r a -
v i o l e t ( U V ) t y p e b u l b s i n o r d e r n o t t o
d a m a g e t h e h e a d l a m p .
1. Dipped beams (H7-55 W)
2. Main beams (H1-55 W)
3. Sidelamps (H6W-6 W)
4. Direction indicators
(H21-21 W)
CHANGING A BULB
P r o c e d u r e f o r r e p l a c i n g a f a u l t y b u l b
with a new bulb without the use of
t o o l s . Front lamps
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140
XI
P R A C T I C A L I N F O R M A T I O N
Dipped beam headlamps
R e m o v e t h e r u b b e r c o v e r .
Rotate the bulb-holder a quarter
turn anti-clockwise and remove it
f r o m i t s h o u s i n g .
R e p l a c e t h e f a u l t y b u l b .
R e p o s i t i o n t h e b u l b - h o l d e r b y
p u s h i n g i t i n , t i g h t e n i n g i t b y a
q u a r t e r t u r n c l o c k w i s e .
R e fi t t h e r u b b e r c o v e r . Main beam headlamps
R e m o v e t h e r u b b e r c o v e r .
D e t a c h t h e c l i p s b y l o w e r i n g
t h e m o n e a c h s i d e o f t h e b u l b .
P u l l o n t h e b u l b - h o l d e r t o r e m o v e i t .
R e p l a c e t h e f a u l t y b u l b .
Push the bulb-holder back into
i t s h o u s i n g .
R e a t t a c h t h e c l i p s .
R e fi t t h e r u b b e r c o v e r . Sidelamps
Rotate the bulb-holder a quarter
t u r n a n t i - c l o c k w i s e .
R e m o v e i t f r o m i t s h o u s i n g .
R e p l a c e t h e f a u l t y b u l b .
R e p o s i t i o n t h e b u l b - h o l d e r .
Rotate it a quarter turn clockwise
t o r e p o s i t i o n i n i t s h o u s i n g .
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141
XI
P R A C T I C A L I N F O R M A T I O N
Direction indicators Integrated direction indicator side repeaters
The direction indicator bulb is located
u n d e r n e a t h t h e m a i n b e a m b u l b .
R e m o v e t h e r u b b e r c o v e r .
P u l l o n t h e b u l b - h o l d e r t o r e m o v e i t .
R e p l a c e t h e f a u l t y b u l b .
Reposition the bulb-holder in the
b r a c k e t a n d p u s h i t i n .
R e fi t t h e r u b b e r c o v e r . To change the repeater, press down-
w a r d s fi r m l y o n t h e z o n e i n d i c a t e d
b y t h e a r r o w , t h e n p u l l t h e r e p e a t e r .
Repeaters can be obtained from a
C I T R O Ë N d e a l e r .
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XI
P R A C T I C A L I N F O R M A T I O N If the headlamp bears this
s y m b o l , a n y o p e r a t i o n t o
change the Xenon dual-
function directional head-
l a m p ( D 1 S - 3 5 W ) m u s t b e c a r r i e d
o u t b y p r o f e s s i o n a l s ( r i s k o f e l e c -
t r o c u t i o n ) .
C o n s u l t a C I T R O Ë N d e a l e r .
It is recommended to change both
bulbs at the same time if one of
t h e m i s f a u l t y .
Dual-function Xenon headlamps
(dipped/main beam)
Additional main beams
R e m o v e t h e r u b b e r c o v e r .
Rotate the bulb-holder a quarter
turn anti-clockwise and remove it
f r o m i t s h o u s i n g .
R e p l a c e t h e f a u l t y b u l b .
R e p o s i t i o n t h e b u l b - h o l d e r b y
p u s h i n g i t i n , t i g h t e n i n g i t b y a
q u a r t e r t u r n c l o c k w i s e .
R e fi t t h e r u b b e r c o v e r . When using a high-pres-
sure washer on persistent
marks, do not direct the jet
at the lamps or their edges for too
long, so as to avoid damaging their
p r o t e c t i v e c o a t i n g a n d s e a l s .
Model with Xenon headlamps
and directional headlamps
1. Dual-function Xenon
headlamps (dipped/main beam)
2. Additional main beams
(H7-
55W
)
3. Sidelamps (H6W-
6W
)
( s e e p r e v i o u s p a g e )
4. Direction indicators
(H21-
21W
)
( s e e p r e v i o u s p a g e ) Changing foglamp bulbs
C o n s u l t a C I T R O Ë N d e a l e r .
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XI
P R A C T I C A L I N F O R M A T I O N
Rear lamps
(5-door model)
I d e n t i f y t h e f a i l e d b u l b .
1. Sidelamps: W 5 .
2. Stop lamps and sidelamps:
P 2 1 / 5 .
3. Direction indicators:
P Y 2 1 W .
Open the boot:
First remove the top part of the
r e a r l a m p u n i t b y u n d o i n g t h e
screw A .
For access to the nut B , detach
t h e b o o t r e a r t r i m b y r e m o v i n g
t h e p i n s . U n d o B .
Remove the bottom part of the
l a m p u n i t .
Turn the bulb a quarter turn and
c h a n g e i t .
Changing the bulbs
Rear lamps
(3-door model)
I d e n t i f y t h e f a i l e d b u l b .
1. Direction indicators:
P 2 1 W .
2. Reversing lamps: P 2 1 W .
3. Stop lamps and sidelamps:
P 2 1 / 5 .