engine CITROEN C4 CACTUS 2021 Owner's Guide

63
Automatic illumination of
headlamps
As soon as the light returns to a sufficient level
or after the windscreen wipers are switched off,
the lamps are switched off automatically.
Switching on
Switching off
F Turn the ring to another position.
Deactivation of the function is accompanied by
the display of a message.
Malfunction
In the event of a malfunction of the
sunshine sensor, the lamps come
on, this warning lamp is displayed on
the instrument panel together with
an audible signal and/or a message.
Contact a CITROËN dealer or a
qualified workshop.
Do not cover the sunshine sensor,
integrated with the rain sensor and located
at the top centre of the windscreen behind
the rear view mirror; the associated
functions would no longer be controlled.
In fog or snow, the sunshine sensor may
detect sufficient light. In this case, the
lighting will not come on automatically.
Daytime running lamps/
Sidelamps (LEDs)
The LEDs are brighter when operating as
daytime running lamps.
F
T
urn the ring to the "
AUTO" position.
The activation of the function is accompanied
by the display of a message.
Three flashes
F Press briefly upwards or downwards, without going beyond the point of
resistance; the direction indicators will flash
3 times.
The light-emitting diodes (LEDs) come on
automatically when the engine is started.
They provide the following functions:
-

D
aytime running lamps (lighting control
stalk at position " 0" or " AUTO " with
adequate light level).
-

S
idelamps (lighting control stalk in position
" AUTO " with low light level or "Sidelamps
only" or "Main or dipped beam headlamps").
4
Lighting and visibility

72
Electronic stability control
(ESC)
Electronic stability control integrating the
following systems:
-
a
nti-lock braking system (ABS) and
electronic brake force distribution (EBFD),
-
em

ergency braking assistance (EBA),
-

w
heel anti-slip regulation (ASR) or traction
control,
-
d

ynamic stability control (DSC).
Definitions
Anti-lock braking system (ABS)
and electronic brake force
distribution (EBFD)
This system improves the stability and
manoeuvrability of your vehicle when braking and
contributes towards improved control on corners, in
particular on poor or slippery road sur faces.
The ABS prevents wheel lock in the event of
emergency braking.
The electronic brake force distribution system (EBFD)
manages the braking pressure wheel by wheel.
Emergency braking assistance
(EBA)
In an emergency, this system permits the
optimum braking pressure to be reached
more quickly, therefore reducing the stopping
distance.
It is triggered in relation to the speed at which
the brake pedal is pressed. The effect of this is
a reduction in the resistance of the pedal and
an increase in braking efficiency.
Anti-slip regulation (ASR)
The ASR system (also known as Traction
Control) optimises traction in order to limit
wheel slip by acting on the brakes of the driving
wheels and on the engine. It also improves
the 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
the driver, the DSC monitors each wheel and
automatically acts on the brake of one or more
wheels and on the engine to return the vehicle
to the required path, within the limits of the laws
of physics.
If you benefit from the Citroën Connect
Box offer with the SOS and assistance
pack included, there are additional
ser vices available to you in your personal
space, via the website for your country.
Anti-lock braking system
(ABS) and electronic brake
force distribution (EBFD)
The fixed illumination of this warning
lamp indicates that there is a fault
with the ABS.
If this warning lamp comes on, in
conjunction with the STOP
and
ABS warning lamps, an audible
signal and a message, this indicates
that the electronic brake force
distribution (EBFD) is faulty.
You must stop as soon as it is
safe to do so.
In both cases, have the system
checked by a CITROËN dealer or
a qualified workshop as soon as
possible.
When changing wheels (tyres and rims),
ensure that these are approved for your
vehicle.
Normal operation of the ABS may make
itself felt by slight vibration of the brake
pedal.
If you need to brake in an emergency,
press the brake pedal ver y firmly and
keep the pressure applied.
Safety

73
Dynamic stability control (DSC)
and anti-slip regulation (ASR)
Operation
These systems are activated automatically
every time the vehicle is started.
They come into operation in the event of a
problem with grip or trajectory.
Activation
These systems are activated automatically
every time the vehicle is started.
As soon as they detect a problem of grip or
trajectory, these systems act on the operation
of the engine and brakes.This is indicated by this warning
lamp flashing in the instrument
panel.
Deactivating the ASR
In exceptional conditions (starting a vehicle
which is bogged down, stuck in snow, on soft
ground, etc.), it may be advisable to deactivate
the ASR system, so that the wheels can move
freely and regain grip. F

I
n the Driving/Vehicle
menu
of the touch screen, select the
" Driving functions " tab, then
" Traction control".
Or depending on version:
F
T
urn the "
Grip control" knob to
this position.
Deactivation is signalled by the
illumination of this warning lamp,
accompanied by a message as
well as illumination of the knob
(depending on version).
The ASR system no longer acts on the
operation of the engine or the brakes in the
event of an involuntary change of trajectory.
Reactivating the ASR
The system is reactivated automatically each
time the ignition is switched back on or from
31 mph (50 km/h).
Below 31 mph (50 km/h), you can reactivate it
manually: F

I
n the Driving/Vehicle
menu
of the touch screen, select the
" Driving functions " tab, then
" Traction control".
Or depending on version:
F
T
urn the "
Grip control" knob to
this position.
Operating fault
The illumination of this warning
lamp, accompanied by an audible
signal and a message, indicates that
there is a fault with the system.
After an impact, have the system checked
by a CITROËN dealer or a qualified
workshop.
This is indicated by this warning
lamp flashing in the instrument
panel. It is however recommended that the system be
reactivated as soon as possible.
Contact a CITROËN dealer or a qualified
workshop to have the system checked.
5
Safety

74
ASR/DSC
These systems offer increased safety
in normal driving, but they should not
encourage the driver to take extra risks or
drive at high speed.
It is in conditions of reduced grip (rain,
snow, ice) that the risk of loss of grip
increases. It is therefore important for your
safety to keep these systems activated in
all conditions, and particularly in difficult
conditions.
The correct operation of these
systems depends on obser vation of
the manufacturer's recommendations
regarding as much the wheels (tyres and
rims), braking and electronic components
as the assembly and repair procedures
used by CITROËN dealers.
To benefit in full from the effectiveness
of these systems in wintry conditions,
the vehicle must be fitted with four snow
tyres, allowing the vehicle to retain neutral
behaviour on the road.Grip control
Special patented traction control system which
improves traction on snow, mud and sand.
This system, the operation of which has been
optimised for each situation, allows you to
manoeuvre in most conditions of poor grip
(encountered when using a passenger car).
Associated with 205/50 R17 all-season M+S
(Mud and Snow) tyres, this system offers a
compromise between safety, grip and traction.
These tyres are efficient in winter and summer
conditions.
The accelerator pedal should be pressed
sufficiently to allow the system to use the power
of the engine. Operation at high engine speeds
is completely normal.
A five-position selector knob allows you to
choose the setting best suited to the driving
conditions encountered.
An indicator lamp associated with each mode
comes on to confirm your choice.
A specific and additional display appears
temporarily in the touch screen to confirm the
selection made with the knob.
Standard (ESC)
This mode is calibrated for a low level of wheel
spin, based on the different levels of grip
normally encountered on the road.F

P
lace the knob in this position.
Every time the ignition is switched off, the
system automatically resets to this mode.
Snow
This mode adapts its strategy to the conditions
of grip encountered for each of the two front
wheels on moving off.
(mode active up to 50 mph (80 km/h)) F

P
lace the knob in this position.
Safety

75
All road (mud, damp grass,
etc.)
This mode, when moving off, allows
considerable spin on the wheel with the least
grip to optimise clearing of the mud and regain
grip. At the same time, the wheel with the most
grip is controlled in such a way as to pass as
much torque as possible.
When moving, the system optimises wheel spin
to respond to the driver's requirements as fully
as possible.
(mode active up to 31 mph (50 km/h))F

P
lace the knob in this position.
Sand
This mode allows little spin on the two driving
wheels at the same time to allow the vehicle to
move for ward and limit the risks of getting stuck
in the sand.
(mode active up to 75 mph (120 km/h))F

P
lace the knob in this position.
Do not use the other modes on sand as
the vehicle may become stuck. You can deactivate the ASR
and DSC systems by turning
the knob to the "
OFF" position.
The ASR and DSC systems will no longer
have an effect on engine operation or
the brakes in the event of an involuntary
change of trajectory.
These systems are reactivated
automatically from 31 mph (50 km/h) or
every time the ignition is switched on.
Driving recommendations
Your vehicle is designed principally to
drive on tarmac roads but it allows you to
occasionally drive on other less passable
terrain.
However, it does not permit off-road
driving such as:
- c rossing and driving on terrain which
could damage the underbody or strip
away components (fuel pipe, fuel
cooler, etc.) due to obstacles or stones
in particular,
-

d
riving on terrain with steep gradients
and poor grip,
-

c
rossing a stream.
Seat belts
Front seat belts
The front seat belts are fitted with a
pretensioning and force limiting system.
This system improves safety in the front
seats in the event of a front or side impact.
Depending on the severity of the impact, the
pretensioning system instantly tightens the seat
belts against the body of the occupants.
The pretensioning seat belts are active when
the ignition is on.
The force limiter reduces the pressure of
the seat belt on the occupant's chest, thus
improving their protection.
5
Safety

94
Driving recommendations
Observe the driving regulations and remain
vigilant whatever the traffic conditions.
Pay close attention to the traffic and keep your
hands on the wheel so that you are ready to
react at any time to any eventuality.
As a safety measure, the driver should only
carry out any operations that require close
attention when the vehicle is stationary.
On a long journey, a break every two hours is
strongly recommended.
In bad weather, drive smoothly, anticipate the
need to brake and increase the distance from
other vehicles.Never leave the engine running in
an enclosed area without adequate
ventilation: internal combustion engines
emit toxic exhaust gases, such as carbon
monoxide. There is a risk of poisoning and
death!
In very severe wintry conditions
(temperatures below -23°C), to guarantee
correct operation and the longevity of
the mechanical elements of your vehicle,
engine and gearbox, the engine must be
left running for 4 minutes before driving.
Important!
Never drive with the parking brake applied –
Risk of overheating and damage to the
braking system!
As the exhaust system of your vehicle
is very hot, even several minutes after
switching off the engine, never park or run
the engine on inflammable sur faces (dry
grass, fallen leaves, etc.): Risk of fire!
Never leave a vehicle unsuper vised with
the engine running. If you have to leave
your vehicle with the engine running, apply
the parking brake and put the gearbox into
neutral or position N or P , depending on
the type of gearbox.
Driving on flooded roads
We strongly advise against driving on flooded
roads, as this could cause serious damage
to the engine or gearbox, as well as to the
electrical systems of your vehicle. If you are obliged to drive through water:
-

c
heck that the depth of water does not
exceed 15 cm, taking account of waves that
might be generated by other users,
-
d
eactivate the Stop & Start function,
-
d
rive as slowly as possible without stalling.
Under no circumstances 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
circumstances allow, make several light brake
applications to dry the brake discs and pads.
If in doubt about the state of your vehicle,
contact a CITROËN dealer or a qualified
workshop.
Driving

95
In case of towing
Driving with a trailer places greater
demands on the towing vehicle and
requires extra care from the driver.
Side wind
F Take into account the increased sensitivity to wind.
Cooling
Towing a trailer on a slope increases the
temperature of the coolant.
As the fan is electrically controlled, its cooling
capacity is not dependent on the engine speed.
F

T
o lower the engine speed, reduce your
speed.
The maximum towed load on an incline
depends on the gradient and the exterior
temperature.
In all cases, keep a check on the coolant
temperature.
F

I
f this warning lamp and the
STOP warning lamp come on,
stop the vehicle and switch off
the engine as soon as possible. New vehicle
Do not pull a trailer before having driven at
least 620 miles (1,000 kilometres).
Braking
Towing a trailer increases the braking distance.
To avoid overheating of the brakes, the use of
engine braking is recommended.
Ty r e s
F Check the tyre pressures of the towing
vehicle and of the trailer, observing the
recommended pressures.
Lighting
F Check the electrical lighting and signalling on the trailer and the headlamp beam height
of your vehicle.
For more information on Headlamp
beam height adjustment , refer to the
corresponding section.
Certain driving or manoeuvring aid
functions are automatically disabled if an
approved towing device is used. If the exterior temperature is high, it is
recommended that the engine be allowed
to idle for 1 to 2 minutes after the vehicle
comes to a stop, to facilitate its cooling.
Anti-theft protection
Electronic immobiliser
The key contains an electronic chip which has
a secret code. When the ignition is switched
on, this code must be recognised to enable
vehicle start.
This electronic engine immobiliser locks
the engine management system a moment
after the ignition is switched off and prevents
unauthorised engine starting.
In the event of a fault, you are
informed by the illumination of this
warning lamp, an audible signal and
a message in the screen.
In this case, your vehicle will not start; contact
a CITROËN dealer or a qualified workshop as
soon as possible.
For safety and theft protection reasons,
do not leave your electronic key in the
vehicle, even when you are close to it.
It is recommended that you keep it with
you.
6
Driving

96
Starting/Switching off the
engine with the key
Ignition switch
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
to the reser ve level, the system switches to
energy economy mode: the power supply is
cut off automatically to preser ve the remaining
battery charge.Avoid attaching heavy objects to the key
or the remote control, which would weigh
down on its blade in the ignition switch
and could cause a malfunction.
Switching off the engine leads to a loss of
braking assistance.
Starting the engine
Parking brake applied:
F
W ith a manual gearbox , place the gear
lever in neutral then depress the clutch
pedal fully.
F

W
ith an automatic gearbox , place the gear
selector in mode N or P then depress the
brake pedal fully.
F

W
ith an electronic gearbox , place the gear
selector in mode N then depress the brake
pedal fully.
F

I
nsert the key into the ignition switch; the
system recognises the code.
F

U
nlock the steering column by
simultaneously turning the steering wheel
and the key.
In certain cases, you may have to apply
more force to the steering wheel (wheels
on full lock, for example). F

W
ith a petrol engine
, operate the starter
motor by turning the key to position 3
without pressing the accelerator pedal,
until the engine starts. Once the engine is
running, release the key.
F
W
ith a Diesel engine
, turn the key to
position 2 , ignition on, to operate the engine
pre-heating system.
It has 3 positions:
-

position 1 (Stop): inserting and removing
the key, steering column locked,
-

position 2 (Ignition on) : steering column
unlocked, ignition on, Diesel pre-heating,
engine running,
-

position 3 (Starting) . Wait until this warning lamp goes off
in the instrument panel, then operate
the starter motor by turning the key
to position 3 without pressing the
accelerator pedal, until the engine
starts. Once the engine is running,
release the key.
In wintry conditions, the warning lamp
can stay on for a longer period. When the
engine is hot, the warning lamp does not
come on.
If the engine does not start straight away,
switch off the ignition. Wait a few moments
before operating the starter motor again.
If the engine does not start after several
attempts, do not keep trying: you risk
damaging the starter motor or the engine.
Contact a CITROËN dealer or a qualified
workshop.
Driving

97
In temperate conditions, do not let the
engine idle to warm up but move off
straight away and drive at moderate
speed.
Never leave the engine running in
an enclosed area without adequate
ventilation: internal combustion engines
emit toxic exhaust gases, such as carbon
monoxide. Danger of poisoning and death!
In very extreme wintry conditions
(temperature below -23°C), to guarantee
correct operation and the longevity of
the mechanical elements of your vehicle,
engine and gearbox, the engine must
be left running for four minutes before
starting the vehicle.
Switching off the engine
F Stop the vehicle.
F W ith the engine running in idle, turn the key
to position 1 .
F

R
emove the key from the ignition switch.
F

T
o lock the steering column, turn the
steering wheel until it locks. To facilitate unlocking of the steering
column, it is recommended that the
wheels be returned to the straight ahead
position before switching off the engine.
F
C
heck that the parking brake is correctly
applied, particularly on sloping ground.
Never switch off the ignition before the
vehicle is at a complete stop. With the
engine off, the braking and steering
assistance systems are also cut off: risk of
loss of control of the vehicle.
When you leave the vehicle, keep the key
with you and lock the vehicle.
Energy economy mode
After switching off the engine (position 1 –
Stop ), for a maximum of 30 minutes you
can still use functions such as the audio and
telematics system, the wipers, dipped beam
headlamps, courtesy lamps, etc.
For more information on Energy
economy mode , refer to the
corresponding section. Key left in
If the key has been left in the ignition
switch at position 2 (Ignition on)
, the
ignition will be switched off automatically
after one hour.
To switch the ignition back on, turn the key
to position 1 (Stop) , then back to position
2 (Ignition on) .
Starting/Switching off the
engine with

K
eyless Entry
and Starting
Starting the engine
F Place the electronic key inside the vehicle,
in the recognition zone.
F

W
ith a manual gearbox , place the gear
lever in neutral then depress the clutch
pedal fully.
6
Driving

98
F With an automatic gearbox, place the gear
selector in mode P or N then depress the
brake pedal fully.
F

W
ith an electronic gearbox , place the gear
selector in mode N then depress the brake
pedal fully.
F

B
riefly press the " START/STOP" button
while maintaining pressure on the pedal
until the engine starts.
The steering column unlocks and the engine
starts.
For Diesel engines , when the temperature is
below zero and/or the engine is cold, starting
will only be done once the pre-heater warning
lamp is off.
If this warning lamp comes on after
pressing the " START/STOP " button:
F

W
ith a manual gearbox , you should keep
the clutch pedal fully depressed until the
warning lamp goes off and not press the
" START/STOP " button again until the
engine is running. F
W ith an automatic or electronic gearbox
,
you should keep the brake pedal fully
depressed until the warning lamp goes off
and not press the " START/STOP" button
again until the engine is running.
The presence of the "
K

eyless Entry and
Starting" electronic key in the recognition
zone is essential.
If the electronic key is not detected in this
zone, a message is displayed.
Move the electronic key into this zone so
that the engine can be started.
If there is still a problem, refer to the "Key
not detected – Back-up starting" section.
If one of the starting conditions is not met,
a reminder message is displayed in the
instrument panel.
In some circumstances, it is necessary
to turn the steering wheel slightly while
pressing the " START/STOP " button to
assist unlocking of the steering column; a
message warns you when this is needed.
For safety reasons, never leave the
vehicle while the engine is running.Switching off the engine
F Immobilise the vehicle, engine at idle.
F W ith a manual gearbox , put the gear lever
into neutral.
F

W
ith an automatic gearbox , place the gear
selector in mode P or N.
F

W
ith an electronic gearbox , select mode
N .
F

W
ith the electronic key inside the vehicle,
press the " START/STOP " button.
The engine stops and the steering column
locks.
In some circumstances, it is necessary to turn
the steering wheel slightly to lock the steering
column.
If the vehicle is not immobilised, the
engine will not stop.
Never leave your vehicle with the
electronic key still inside.
Switching off the engine leads to a loss of
braking assistance.
Driving