engine CITROEN C4 2018 Owner's Guide
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Parking lamps
Side markers for the vehicle by illumination of the sidelamps on the traffic side only.
F
D
epending on version, within one minute
o
f switching off the ignition, operate the
l
ighting control stalk up or down depending
o
n the traffic side (for example: when
p
arking on the left; lighting control stalk
u
pwards; the right hand sidelamps are on).
This
is confirmed by an audible signal and
i
llumination of the corresponding direction
i
ndicator warning lamp in the instrument panel.
To
switch off the parking lamps, return the
l
ighting control stalk to the central position.
Daytime running lamps / Sidelamps
(LEDs)
The light-emitting diodes (LEDs) come on automatically when the engine is started.
In
some weather conditions (e.g. low
t
emperature or humidity), the presence
o
f misting on the internal sur face of the
g
lass of the headlamps and rear lamps
i
s normal; it disappears after the lamps
h
ave been on for a few minutes.They
provide the following functions:
- D aytime running lamps (lighting control
s
talk in position "0 " or " AUTO " with
adequate
light level).
-
S
idelamps (lighting control stalk in
p
osition "AUTO"
with low light level or
"
Sidelamps only" or "Main or dipped beam
h
eadlamps").The
LEDs are brighter when operating
a
s daytime running lamps.
4
Lighting and visibility
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Electronic stability control (ESC) incorporating the following systems:
-
a
nti-lock braking system (ABS) and
e
lectronic brake force distribution (EBFD),
-
e
mergency braking assistance (EBA),
-
w
heel anti-slip regulation (ASR) or traction
c
ontrol,
-
d
ynamic stability control (DSC).
Electronic stability control (ESC)
Definitions
Anti-lock braking system (ABS)
and electronic brake force
distribution (EBFD)
This system improves the stability and manoeuvrability of your vehicle when braking
a
nd contributes towards improved control on
c
orners, in particular on poor or slippery road
surfaces.
The
ABS prevents wheel lock in the event of
em
ergency
b
raking.
The
EBFD manages the braking pressure
w
heel by wheel.
Emergency braking assistance
(EBA)
In an emergency, this system enables you to reach the optimum braking pressure more
q
uickly and therefore reduce the stopping
di
stance.
It
is triggered according to the speed at which
t
he brake pedal is pressed. This is felt by a
r
eduction in the resistance of the pedal and an
increase
in the effectiveness of the braking.
Anti-slip regulation (ASR)
The ASR system (also known as Traction Control) optimises traction in order to limit
w
heel slip by acting on the brakes of the driving
w
heels and on the engine. It also improves
t
he directional stability of the vehicle on
acceleration.
Dynamic stability control (DSC)
If there is a difference between the path
followed by the vehicle and that required by
t
he driver, the DSC monitors each wheel and
a
utomatically acts on the brake of one or more
w
heels and on the engine to return the vehicle
t
o the required path, within the limits of the laws
o
f physics.
5
Safety
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Dynamic stability control
(DSC) and anti-slip regulation
(ASR)The DSC system offers exceptional safety in normal driving, but this should
n
ot encourage the driver to take extra
r
isks or drive at high speed.
The
correct operation of the system
d
epends on observation of the
manufacturer's
r
ecommendations
r
egarding the wheels (tyres and rims),
t
he braking components, the electronic
c
omponents and the CITROËN
a
ssembly and operation procedures.
After
an impact, have the system
c
hecked by a CITROËN dealer or a
q
ualified
w
orkshop.
Activation
These systems are activated automatically each time the vehicle is started.
As
soon as they detect a problem of grip or
t
rajectory, these systems act on the operation if
t
he engine and brakes.
Deactivation
In exceptional conditions (starting a vehicle which is bogged down, stuck in snow, on soft
g
round...), it may be advisable to deactivate
t
he DSC system, so that the wheels can move
f
reely and regain grip.
This
is
indicated
by
flashing
of
this
w
arning
lamp
in
the
instrument
panel.
Operating fault
But it is recommended that the system be r eactivated as soon as possible.
F
P
ress the button or,
depending
on version,
t
urn the knob to this
p
osition.
The indicator lamp in the button or the knob comes on: the DSC system no l
onger acts on the operation of the engine.
Reactivation
The system is reactivated automatically each time the ignition is switched back on or from
3
0 mph (50 km/h).F
P
ress the button again
t
o reactivate it manually.If
this warning lamp comes on,
a
ccompanied by an audible signal
a
nd a message in the screen, this
i
ndicates a fault with the system.
Contact a CITROËN dealer or a qualified
w
orkshop to have the system checked.
5
Safety
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Grip control
Special patented traction control system which improves traction on snow, mud and sand.
This
system, the operation of which has been
o
ptimised for each situation, allows you to
m
anoeuvre in most conditions of poor grip
(
encountered
d
uring
t
ouring
u
se).
The accelerator pedal should be pressed
sufficiently
t
o
a
llow
t
he
s
ystem
t
o
u
se
t
he
p
ower
o
f the engine. Operation at high engine speeds
i
s completely normal.
Associated with all-seasons M+S (Mud and
Snow)
205/50 R 17 tyres, this system offers
a
compromise between safety, adhesion and
t
raction. These tyres work equally well in winter
a
nd summer.
A five-position selector allows you to choose
the
setting best suited to the driving conditions
en
countered.
An
indicator lamp associated with each mode
c
omes on to confirm your choice.
A specific and additional display appears
temporarily
in the touch screen to confirm the
s
election made with the knob. Every
time the ignition is switched off,
t
he system automatically resets to this
m
ode.
Differents
modes are provided:
Standard (ESC)
This mode is calibrated for a low level of wheel s
pin, based on the different levels of grip
n
ormally encountered on the road.
F
P
lace the dial in this position.
Snow
This mode adapts its strategy to the conditions of grip encountered for each of the two front
w
heels on moving off.
(mode
active up to 30 mph (50 km/h))
F
P
lace the dial in this position.
Safety
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A few driving recommendations
Observe the driving regulations at all times and remain vigilant whatever the traffic conditions.
Pay
close attention to the traffic and keep your
h
ands on the wheel so that you are ready to
react
at any time to any eventuality.
On
a long journey, a break every two hours is
s
trongly
re
commended.
In
difficult weather, drive smoothly, anticipate
t
he need to brake and increase the distance
f
rom other vehicles.
Driving on flooded
roads
We strongly advise against driving on flooded roads, as this could cause serious damage
t
o the engine or gearbox, as well as to the
e
lectrical systems of your vehicle.If
you are obliged to drive through water:
-
c
heck that the depth of water does not
e
xceed 15 cm, taking account of waves
t
hat might be generated by other users,
-
d
eactivate the Stop & Start system,
-
d
rive as slowly as possible without
stalling. In all cases, do not exceed 6 mph
(
10 km/h),
- d o not stop and do not switch off the
engine.
On
leaving the flooded road, as soon as
c
ircumstances allow, make several light brake
a
pplications to dry the brake discs and pads.
If in doubt on the state of your vehicle, contact
a
CITROËN dealer or a qualified workshop.
Important!
Never drive with the parking brake applied - Risk of overheating and
d
amage to the braking system!
Do
not park or run the engine when
s
tationary in areas where inflammable
s
ubstances and materials (dry grass,
d
ead leaves...) might come into
c
ontact with the hot exhaust system -
R
isk of fire!
Never leave a vehicle unsupervised
with
the engine running. If you have
t
o leave your vehicle with the engine
r
unning, apply the parking brake
a
nd put the gearbox into neutral or
p
osition
N or P,
depending on the type
o
f gearbox.
6
Driving
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When towing
Distribution of loads
F Distribute the load in the trailer so that the heaviest items are as close as possible to
t
he axle and the nose weight approaches
t
he maximum permitted without
e
xceeding it.
Air density decreases with altitude, thus
reducing
engine per formance. Above
1 0
00 metres, the maximum towed load must
b
e reduced by 10 % for every 1 000 metres of
al
titude.
For
more information on weights (and the
t
owed loads which apply to your vehicle) refer
to
the corresponding section.
Side wind
F Take into account the increased sensitivity t
o side wind.
Cooling
Towing a trailer on a slope increases the temperature of the coolant.
As
the fan is electrically controlled, its cooling
c
apacity is not dependent on the engine speed.
F
T
o lower the engine speed, reduce your
s
peed.
The
maximum towed load on a long incline
d
epends on the gradient and the ambient
t
emperature.
In
all cases, keep a check on the coolant
t
emperature. F
I
f the warning lamp and the
S
TOP
warning lamp come on,
s
top the vehicle and switch off
the
engine as soon as possible.
Braking
Towing a trailer increases the braking distance.
T o avoid overheating of the brakes, the use of
e
ngine braking is recommended.
Ty r e s
F Check the tyre pressures of the towing v
ehicle and of the trailer, observing the
re
commended
p
ressures.
Lighting
F Check the electrical lighting and signalling o
n the trailer and the hadlamp beam height
o
f your vehicle.
For
more information on adjusting the
h
eadlamp beam height, refer to the
c
orresponding
s
ection.
The
rear parking sensors will be
d
eactivated automatically if a genuine
C
ITROËN towbar is used.
Driving
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Starting
The parking brake must be applied.
F
W
ith
a manual gearbox, place the gear
l
ever in neutral then depress the clutch
pedal
f
ully.
F
W
ith
an electronic gearbox, place the
c
ontrol at N then press the brake pedal
f
i r m l y.
F
I
nsert
the key into the ignition switch; the
s
ystem recognises the code.
F
U
nlock the steering column by simultaneously
t
urning the steering and the key.
In
certain cases, you may have to apply
m
ore force to the steering (wheels on
f
ull
lock, for example).
F
W
ith
a petrol engine, operate the starter
m
otor
by turning the key to position 3
without
pressing the accelerator pedal,
u
ntil
the engine starts. Once the engine is
r
unning, release the key.
Starting-switching off the engine
It has 3 positions:
- position 1 (Stop):
insert and removing
the
key,
-
position 2 (Ignition on) :
steering column
u
nlocked, ignition on, Diesel preheating,
e
ngine
r
unning,
-
position 3 (Starting) .
Ignition switch
Switching off the engine leads to a loss o
f braking assistance.
Ignition on position (2)
It allows the use of the vehicle's electric equipment or portable devices to be charged.
Once
the state of charge of the battery drops
t
o the reserve level, the system switches to
e
nergy economy mode: the power supply is
c
ut off automatically to preserve the remaining
b
attery charge.
Avoid
attaching heavy objects to the
k
ey, which would weigh down on its
b
lade in the ignition switch and could
c
ause a malfunction.
It
could adversely affect the deployment
o
f the front airbag.
6
Driving
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F With a Diesel engine, turn the key to p
osition 2 ,
ignition on, to operate the
eng
ine
p
re-heating
s
ystem.
Wait until this warning lamp goes off in the instrument panel then operate the starter m
otor by turning the key to position 3
without
pressing the accelerator pedal,
u
ntil the engine starts. Once the engine is
r
unning, release the key.
In wintry conditions, the warning lamp can stay on for a longer period. When
t
he engine is hot, the warning lamp
d
oes not come on. In
temperate conditions, do not leave
t
he engine at idle to warm up but move
o
ff straight away and drive at moderate
s
peed.
Never leave the engine running in
a
n enclosed area without adequate
v
entilation:
in
ternal
c
ombustion
e
ngines emit toxic exhaust gases,
s
uch as carbon monoxide. Danger of i
ntoxication and death.
In very severe wintry conditions
(temperatures
below -23°C), to ensure
t
he correct operation and durability of
the
mechanical components of your
v
ehicle, engine and gearbox, it is
n
ecessary to leave the engine running
f
or 4 minutes before moving off.
If
the engine does not start straight
a
way, switch off the ignition. Wait a few
m
oments before operating the starter
m
otor again. If the engine does not
s
tart after several attempts, do not keep
t
rying: you risk damaging the starter
m
otor or the engine.
Contact a CITROËN dealer or a
qualified
w
orkshop.
Driving
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Key left in the "Ignition on" position
If the key has been left in the ignition switch at position 2 (Ignition on) ,
the
ignition will be switched off
a
utomatically after one hour.
To
switch the ignition back on, turn the
k
ey to position 1 (Stop),
then back to
p
osition 2 (Ignition on) .
Never
switch
off
the
ignition
before
the
v
ehicle
is
at
a
complete
stop.
With
the
engine
off,
the
braking
and
s
teering
assistance
systems
are
also
c
ut
off:
risk
of
loss
of
control
of
the
v
ehicle.
When
you
leave
the
vehicle,
keep
the
k
ey
with
you
and
lock
the
vehicle.
To
facilitate
unlocking
of
the
steering
c
olumn,
it
is
recommended
that
the
w
heels
be
returned
to
the
straight
ahead
p
osition
before
switching
off
the
engine.
Switching off
F Stop
the vehicle.
F W ith the engine running at idle, turn the key
t
o position 1 .
F
R
emove the key from the ignition switch.
F
T
o lock the steering column, turn the
s
teering until it locks.
F
C
heck that the parking brake is correctly
a
pplied, particularly on sloping ground.For
more information, refer to the
"
Energy economy mode" section.Energy economy mode
After switching off the engine (position 1- Stop),
for a maximum of 30 minutes you can still use
f
unctions such as the audio and telematic
s
ystem, the wipers, dipped beam headlamps,
c
ourtesy lamps, ...
6
Driving
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5-speed manual gearbox
Engaging reverse
gear
F Press the clutch pedal fully down.
F P ush the gear lever fully to the right then
ba
ckwards.
Only
engage reverse gear when the
v
ehicle is stationary with the engine at idle.
As a safety precaution and to facilitate
starting
of the engine:
-
a
lways select neutral,
-
p
ress the clutch pedal.
6
Driving