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Practical information -> Refuelling for Your Citroen C4 Cactus SUV Second Generation (2018-2024)

Practical information  
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).  
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.  
Compatibility of fuels  
Petrol fuels conforming to the EN228 standard  
containing up to 5% and 10% ethanol  
respectively.  
Travelling abroad  
For more information on Running out of  
fuel (Diesel), refer to the corresponding  
section.  
Certain fuels could damage your vehicle’s  
engine.  
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".  
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.  
Stop & Start  
Never refuel with the engine in STOP  
mode; you must switch off the ignition.  
For all additional information, consult a dealer.  
Refuelling  
Paraffinic Diesel fuel conforming to the EN15940  
standard.  
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.  
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.  
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).  
Low fuel level  
To refuel in complete safety:  
You must switch off the engine.  
The only fuel additives authorised for use  
are those that meet the B715001 (petrol)  
or B715000 (Diesel) standards.  
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.  
Diesel at low temperature  
At temperatures below 0 °C (+32 °F), the  
formation of paraffins in summer-type Diesel  
When it first comes on, about 5 litres of fuel  
remain in the tank.  
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Practical information  
► 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).  
Misfuel prevention (Diesel)  
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(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.  
► Fill the tank.  
Do not continue past the third cut-off of the  
nozzle, as this may cause malfunctions.  
► Refit the filler cap.  
► Turn the key to the right then remove it from  
the filler cap, or turn the filler cap manually to the  
right (depending on version).  
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.  
► 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.  
It remains possible to use a fuel jerrycan  
to fill the tank.  
► With the vehicle unlocked, press the rear-  
central part of the filler flap to open it.  
Take 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).  
Travelling abroad  
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.  
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.  
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.  
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