2023 CITROEN C4 CACTUS engine

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94
Practical information
Compatibility of fuels
Petrol fuels conforming to the EN228 standard
containing up to 5% and 10% ethanol
respectively.

Diesel fuels conforming to the EN590, EN16734
and EN16709 standards and containing up to
7%, 10%, 20% and 30% fatty acid methyl ester
respectively. The use of B20 or B30 fuels, even
occasionally, imposes special maintenance
conditions referred to as "Arduous conditions".

Paraffinic Diesel fuel conforming to the EN15940
standard.
The use of any other type of (bio) fuel (vegetable or animal oils, pure or diluted,
domestic fuel, etc.) is strictly prohibited (risk
of damage to the engine and fuel system).
The only fuel additives authorised for use are those that meet the B715001 (petrol)
or B715000 (Diesel) standards.
Diesel at low temperature
At temperatures below 0 °C (+32 °F), the
formation of paraffins in summer-type Diesel fuels could prevent the engine from operating
correctly
. In these temperature conditions, use
winter-type Diesel fuel and keep the fuel tank
more than 50 % full.
At temperatures below -15 °C (+5 °F) to avoid
problems starting, it is best to park the vehicle
under shelter (heated garage).
Travelling abroad
Certain fuels could damage your vehicle’s
engine.
In certain countries, the use of a particular
fuel may be required (specific octane rating,
specific trade name, etc.) to ensure correct
operation of the engine.
For all additional information, consult a dealer.
Refuelling
Fuel tank capacity (depending on version):
approximately 47 or 50 litres (petrol) or
approximately 45 or 50 litres (Diesel).
Reserve level: approximately 5 litres.
Low fuel level
When the low fuel level is reached, this
warning lamp in the instrument panel
comes on, accompanied by an audible warning,
a message and the last bar of the fuel gauge
flashes in red.
When it first comes on, about 5 litres of fuel
remain in the tank.
This warning lamp will come on every time
the ignition is switched on, accompanied by a
message and an audible signal, until a sufficient
addition of fuel is made. This audible signal and
message are repeated with increasing frequency
as the fuel level drops and approaches " 0".
You must refuel as soon as possible to avoid
running out of fuel.
For more information on Running out of
fuel (Diesel), refer to the corresponding
section.
Stop & Start
Never refuel with the engine in STOP
mode; you must switch off the ignition.
Refuelling
Additions of fuel must be of at least 5 litres, in
order to be registered by the fuel gauge.
Opening the filler cap may create a noise caused
by an inrush of air. This vacuum is entirely
normal, resulting from the sealing of the fuel
system.
To refuel in complete safety:
►

Y
ou must switch off the engine.

95
Practical information
7

► With the vehicle unlocked, press the rear-
central part of the filler flap to open it.
►

T
ake care to select the pump that delivers the
correct fuel type for the vehicle's engine (see a
reminder label on the inside of the filler flap).
►

Insert the key in the filler cap then turn it to
the left, or turn the filler cap manually to the left
(depending on version).


► Remove the filler cap and hang it on its
carrier (on the filler flap).
►

Introduce the filler nozzle and push it in as
far as possible before starting to refuel (risk of
blowback).
►


Fill the tank.
Do not continue past the third cut-off of the
nozzle, as this may cause malfunctions.
►


Refit the filler cap.
►


T
urn the key to the right then remove it from
the filler cap, or turn the filler cap manually to the
right (depending on version).
►

Push the filler flap to close it.
If you have put in the wrong fuel for the
vehicle, you must have the fuel tank
drained and filled with the correct fuel before
starting the engine.
The vehicle is fitted with a catalytic converter, a
device which helps to reduce the level of harmful
emissions in the exhaust gases.
For petrol engines, you must use unleaded
fuel.
The filler neck is narrower, admitting unleaded
petrol nozzles only.
Fuel cut-off
Your vehicle is equipped with a safety device
which cuts off the fuel supply in the event of a
collision.
Misfuel prevention (Diesel)
(Depending on country of sale.)
This mechanical device prevents filling the tank
of a Diesel vehicle with petrol.
Located in the filler neck, the misfuel prevention
device is visible when the filler cap is removed.
Operation
When a petrol filler nozzle is inserted into the
fuel filler neck of a Diesel vehicle, it comes into
contact with the flap. The system remains closed
and prevents filling.
Do not persist but introduce a Diesel type
filler nozzle.
It remains possible to use a fuel jerrycan
to fill the tank.
Travelling abroad
As Diesel fuel pump nozzles may be
different in other countries, the presence
of the misfuel prevention device may make
refuelling impossible.
Before travelling abroad, it is advisable to
check with a CITROËN dealer if the vehicle is
suitable for the distribution equipment of the
countries visited.

96
Practical information
Snow chains
In wintry conditions, snow chains improve
traction as well as the behaviour of the vehicle
when braking.
The snow chains must be fitted only to the front wheels. They must never be
fitted to "space-saver" type spare wheels.
Take account of the legislation specific to each country on the use of snow chains
and the maximum authorised speed.
Use only the chains designed to be fitted to the
type of wheel fitted to your vehicle:
Original tyre size Chain types 205/55 R16 Maximum 9 mm link
205/50 R17 Cannot be fitted with
chains
For more information on snow chains, contact a
CITROËN dealer or a qualified workshop.
Installation tips
► If you have to fit the chains during a journey ,
stop the vehicle on a flat surface on the side of
the road.
►

Apply the parking brake and position any
wheel chocks under the wheels to prevent
movement of your vehicle.
►


Fit the chains following the instructions
provided by the manufacturer

.
► Move off gently and drive for a few moments,
without exceeding 31 mph (50 km/h).
►

Stop your vehicle and check that the snow
chains are correctly tightened.
It is strongly recommended that before
you leave, you practise fitting the snow
chains on a level and dry surface.
Avoid driving with snow chains on roads that have been cleared of snow to avoid
damaging your vehicle's tyres and the road
surface. If your vehicle is fitted with alloy
wheels, check that no part of the chain or its
fixings is in contact with the wheel rim.
Very cold climate screens
Removable protective screens which prevent the
accumulation of snow at the radiator cooling fan.
Before fitting or removing a screen,
ensure that the engine is off and the
cooling fan has stopped.
It is recommended that the screens be
fitted and removed by a CITROËN dealer
or a qualified workshop.
Fitting / Removing

► Present the first screen in front of the upper
grille of the bumper .
►

Insert the 4 lower mounting tabs and the 4
upper mounting tabs in the bumper until they
click into position.
►


Check that the unit is firmly held by pressing
around the edges.


► Present the second screen in front of the
lower grille of the bumper .

97
Practical information
7► Insert the 4 lower mounting tabs and the 4
upper mounting tabs in the bumper until they
click into position, starting from the outside and
working inwards.
►

Check that the unit is firmly held by pressing
around the edges.
T

o remove these screens, perform the same
sequence of operations in reverse order.


► Present the third screen in front of the lower
grille of the bumper .
►

Insert the 4 lower mounting tabs in the
bumper

.
►

Push the upper part of the screen against the
bumper until the 5 upper mounting tabs click into
position in the bumper

.
►

Check that the unit is firmly held by pressing
around the edges.
To remove the screen, push it down to unclip
the upper mounting tabs, then pull the screen
towards you.
Towing device
Distribution of loads
► Distribute the load in the trailer so that the
heaviest items are as close as possible to the
axle, and the nose weight approaches the
maximum permitted without exceeding it.
Air density decreases with altitude, thus reducing
engine performance.
The maximum load which
can be towed must be reduced by 10% per
1,000
metres of altitude.
Use towing devices and their genuine
wiring harnesses approved by CITROËN.
It is recommended that the installation be
performed by a CITROËN dealer or a
qualified workshop.
If not fitted by a CITROËN dealer, it must
still be fitted in accordance with the vehicle
manufacturer's instructions.
Certain driving or manoeuvring aid functions
are automatically deactivated if an approved
towing system is used.
Observe the maximum authorised
towable weight, indicated on the vehicle's
registration certificate, the manufacturer's
label as well as in the Technical data section
of this guide.
Complying with the maximum authorised
nose weight (towball) also includes the
use of accessories (bicycle carriers, tow
boxes, etc.).
Observe the legislation in force in the
country in which you are driving.
Remove the quickly detachable towball
when not towing a trailer.
Load reduction mode
System which manages the use of certain
functions according to the level of charge
remaining in the battery.
When the vehicle is being driven, the load
reduction function temporarily deactivates certain
functions, such as air conditioning, heated rear
screen, etc.
The deactivated functions are reactivated
automatically as soon as conditions permit.
Energy economy mode
System which manages the duration of use of
certain functions to conserve a sufficient level of
charge in the battery.
After the engine has stopped, you can still use
functions such as the audio and telematics

98
Practical information
Recommendations
► Distribute the load uniformly, taking
care to avoid overloading one of the sides.
► Arrange the heaviest part of the load as
close as possible to the roof.
► Lash the load down securely and fit a
warning flag if it overhangs the vehicle.
► Drive gently: the vehicle will be more
susceptible to the effects of side winds
(stability may be affected).
► Remove the roof bars once they are no
longer needed.
Maximum load, distributed over the roof
bars, for a loading height not exceeding
40 cm: 80 kg.
As this value may change, please verify the
maximum load quoted on the note supplied
with the roof bars.
If the height exceeds 40 cm, adapt the
speed of the vehicle to the profile of the road
to avoid damaging the roof bars and the
mountings on the vehicle.
Be sure to refer to national legislation in order
to comply with the regulations for transporting
objects which are longer than the vehicle.
Bonnet
Stop & Start
Before doing anything under the bonnet,
you must switch off the ignition to avoid any
systemI windscreen wipers, dipped beam
headlamps, courtesy lamps, etc. for a maximum
combined duration of about forty minutesK
Switching to the mode
A message indicating that the vehicle has
switched to economy mode is displayed on the
touch screen and the active functions are put on
standby.
If a telephone call is in progress at the
time, it will be maintained for around 10
minutes using your audio system’s hands-free
system.
Exiting the mode
These functions will be automatically restored
the next time the vehicle is used.
In order to restore the use of these functions
immediately, start the engine and let it run:
–

for less than ten minutes, to use the
equipment for approximately five minutes,
–


for more than ten minutes, to use the
equipment for up to approximately thirty minutes.
Let the engine run for the duration specified to
ensure that the battery charge is sufficient.
Do not repeatedly and continuously restart the
engine in order to charge the battery

.
A flat battery prevents the engine from starting.
For more information on the 12 V battery,
refer to the corresponding section.
Roof bars
For safety reasons and to avoid
damaging the roof, it is essential to use
the transverse bars approved for your vehicle.
Observe the fitting instructions and the
conditions of use in the guide supplied
with the roof bars.
Version without longitudinal
bars


When fitting roof bars, use only the four fixing
points located in the roof frame. The points are
hidden by the vehicle doors when closed.


The roof bar fixings include a lug to be fitted into
the hole at each fixing point.
Version with longitudinal
bars


You must fit the transverse bars to the
longitudinal bars at the fixing points indicated by
engraved markings on the longitudinal bars.

99
Practical information
7Recommendations
► Distribute the load uniformly , taking
care to avoid overloading one of the sides.
►

Arrange the heaviest part of the load as
close as possible to the roof.
►


Lash the load down securely and fit a
warning flag if it overhangs the vehicle.
►


Drive gently: the vehicle will be more
susceptible to the effects of side winds
(stability may be affected).
►


Remove the roof bars once they are no
longer needed.
Maximum load, distributed over the roof
bars, for a loading height not exceeding
40 cm: 80 kg.
As this value may change, please verify the
maximum load quoted on the note supplied
with the roof bars.
If the height exceeds 40 cm, adapt the
speed of the vehicle to the profile of the road
to avoid damaging the roof bars and the
mountings on the vehicle.
Be sure to refer to national legislation in order
to comply with the regulations for transporting
objects which are longer than the vehicle.
Bonnet
Stop & Start
Before doing anything under the bonnet,
you must switch off the ignition to avoid any
risk of injury resulting from an automatic
change to START mode.
The location of the interior bonnet release lever prevents opening the
bonnet when the left-hand front door is
closed.
When the engine is hot, handle the
exterior safety catch and the bonnet stay
with care (risk of burns), using the protected
area.
When the bonnet is open, take care not to
damage the safety catch.
Do not open the bonnet under very windy
conditions.
Cooling of the engine when stopped
The engine cooling fan may start after
the engine has been switched off.
Take care with objects or clothing that
could be caught in the blades of the fan!
Opening



► Open the left-hand front door .
► Pull the interior release lever , located at the
bottom of the door frame, towards you.


► Lift the exterior safety catch and raise the
bonnet.

100
Practical information
Do not discard used oil or fluids into
sewers or onto the ground.
Empty used oil into the containers reserved
for this purpose at a CITROËN dealer or a
qualified workshop.
Engine oil
The level is checked, with the engine having been switched off for at least 30
minutes and on level ground, either using the oil
level indicator in the instrument panel when the
ignition is switched on (for vehicles equipped
with an electric gauge), or using the dipstick.
It is normal to top up the oil level between two
services (or oil changes). It is recommended
that you check the level, and top up if necessary,
every 3,000 miles (5,000 km).
In order to maintain the reliability of the
engine and emissions control system,
never use additives in the engine oil.
Checking using the dipstick
For the location of the dipstick, please refer
to the illustration of the corresponding engine
compartment.
► Grasp the dipstick by its coloured grip and
pull it out completely.
► Wipe the end of the dipstick using a clean,
lint-free cloth.


► Unclip the stay from its housing and place it
in the support slot to hold the bonnet open.
Closing
► Hold the bonnet and pull out the stay from the
support slot.
►

Clip the stay in its housing.
►


Lower the bonnet and release it near the end
of its travel.
►


Pull on the bonnet to check that it is locked
correctly

.
Because of the presence of electrical
equipment under the bonnet, it is strongly
recommended that exposure to water (rain,
washing, etc.) be limited.
Engine compartment
The engine represented is an example given for
illustration purposes only. The locations of the following elements may
vary:
–

Air filter
.
–
Engine oil dipstick.
–

Engine oil filler cap.
Petrol engine

Diesel engine

1.
Screenwash fluid reservoir
2. Engine coolant reservoir
3. Brake fluid reservoir
4. Battery / Fuses
5. Remote earth point (-)
6. Fusebox
7. Air filter
8. Engine oil filler cap
9. Engine oil dipstick
The Diesel fuel system operates under
very high pressure.
All work on this circuit must be carried out
only by a CITROËN dealer or a qualified
workshop.
Checking levels
Check all of the following levels regularly in
accordance with the manufacturer's service
schedule. Top them up if required, unless
otherwise indicated.
If a level drops significantly, have the
corresponding system checked by a CITROËN
dealer or a qualified workshop.
The fluids must comply with the manufacturer's requirements and with
the vehicle's engine.
Take care when working under the bonnet, as certain areas of the engine
may be extremely hot (risk of burns) and the
cooling fan could start at any time (even with
the ignition off).
Used products
Avoid prolonged contact of used oil or fluids with the skin.
Most of these fluids are harmful to health and
very corrosive.