2022-2025 Citroen C3 SUV Practical Information -> Checking levels User Manual
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Practical Information -> Checking levels for Your Citroen C3 SUV Fourth Generation (2022-2025)

Practical Information  
nozzle from the charging connector if it is  
connected.  
Bonnet  
7
Warning  
Warning  
Water washing in the engine  
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.  
compartment including high pressure water  
washing may cause the failure of electrical  
circuits located in the engine compartment.  
Never allow water or other liquids to  
come in contact with electrical/electronic  
components inside the vehicle as this may  
damage them.  
Do not open the bonnet under very windy  
conditions.  
Lift the safety catch and raise the bonnet.  
Warning  
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  
Warning  
Electric vehicles  
Take care with objects or clothing that could  
be caught in the blades of the cooling fan  
or in certain moving components - risk of  
strangulation and serious injury!  
Before carrying out any work under the  
bonnet, you must switch off the ignition,  
check that the READY indicator lamp is off  
on the instrument panel and disconnect the  
Unclip the stay from its housing and place it in  
the support slot to hold the bonnet open.  
Pull the release lever located below the  
steering wheel towards you.  
91  
Practical Information  
Naturally Aspirated engine  
Electric  
Closing  
Take the stay out of 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.  
Engine compartment  
The engines represented are examples given for  
illustration purposes only.  
The locations of the following elements may  
vary: – Air filter.  
– Engine oil dipstick.  
– Engine oil filler cap.  
Turbo engine  
1. Screenwash fluid reservoir  
2. Coolant reservoir  
3. Brake fluid reservoir  
4. Battery  
1.  
Brake fluid reservoir  
Air filter  
2.  
3.  
4.  
5.  
6.  
7.  
Battery  
Petrol  
Fusebox  
5. Remote earth point (-)  
6. Fusebox  
Engine oil filler cap  
Engine oil dipstick  
Screenwash fluid reservoir  
Engine coolant reservoir  
7. 300 V electrical circuit  
8. Emergency circuit-breaker for emergency  
services and maintenance technicians  
8.  
For more information on the Charging system  
(Electric), refer to the corresponding section.  
92  
Practical Information  
Do not start the engine if the level is:  
Engine oil  
Checking levels  
above mark A: contact a CITROËN dealer.  
7
Check all of the following levels regularly in  
accordance with the manufacturer's service  
schedule. Top them up if required, unless  
otherwise indicated.  
below mark B: top up the engine oil  
The level is checked, with the en-  
immediately.  
gine having been switched off for  
at least 30 minutes and on level  
ground, using the dipstick.  
Warning  
If a level drops significantly, have the  
corresponding system checked by a CITROËN  
dealer.  
Oil grade. Before topping up or  
changing the engine oil, check that the  
oil is suitable for the engine and complies  
with the recommendations in the service  
schedule supplied with the vehicle (or  
available from your CITROËN dealer).  
Use of non-recommended oil may invalidate  
the contractual warranty in the event of  
engine failure.  
To know how often the engine oil should be  
replaced, refer to the manufacturer's servicing  
schedule.  
Warning  
The fluids must comply with the  
Manufacturer's requirements and with the  
vehicle's engine.  
Warning  
In order to maintain the reliability of  
the engine and emissions control system,  
never use additives in the engine oil.  
Warning  
Topping up the engine oil level  
Checking using the dipstick  
Take care when working under the  
hood, 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).  
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.  
For the location of the engine oil filler cap,  
please refer to the corresponding engine  
compartment illustration.  
Add oil in small quantities, avoiding any spills on  
engine components (risk of fire).  
Used products  
Wipe the end of the dipstick using a clean,  
Wait a few minutes before checking the  
lint-free cloth.  
level again using the dipstick.  
Warning  
Top up the level if necessary.  
Avoid prolonged contact of used oil or  
fluids with the skin.  
Most of these fluids are harmful to health  
and very corrosive.  
After checking the level, carefully screw the  
oil filler cap back on and replace the dipstick  
in its tube.  
Tip  
Restriction  
Within 30 minutes of adding oil, the  
oil level indication in the instrument panel  
when the ignition is switched on is not valid.  
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.  
Reinsert the dipstick and push fully down, then  
pull it out again to visually check the oil level:  
the correct level is between marks A (max) and  
B (min).  
93  
Practical Information  
Once the pressure has dropped, remove the  
cap and top up to the required level.  
Brake fluid  
Warning  
Filling with pure water is prohibited in  
all circumstances (risk of freezing, limescale,  
etc.).  
Electric  
The level of this fluid should be  
close to the "MAX" mark. If not,  
Warning  
check the brake pads for wear.  
Do not top up the coolant.  
To know how often the brake fluid should be  
replaced, refer to the manufacturer's servicing  
schedule.  
Warning  
Clean the cap before removing it to  
refill.Use only DOT4 brake fluid from a sealed  
container.  
Engine coolant  
If the level is close to or below the "MIN"  
mark, it is essential to contact a CITROËN  
dealer.  
Petrol  
It is normal to top up this fluid be-  
tween two services.  
The check and top-up must only be  
done with the engine cold.  
Screenwash fluid  
Top up to the required level when  
necessary.  
A low level presents a risk of serious damage to  
the engine.  
The level of engine coolant should be close to  
the "MAX" mark but should never exceed it.  
If the level is close to or below the "MIN” mark,  
it is essential to top up.  
When the engine is hot, the temperature of  
engine coolant is regulated by the fan.  
As the cooling system is pressurised, wait at  
least one hour after switching off the engine  
before carrying out any work.  
Fluid specification  
The fluid must be topped up with a pre-mixed  
product.  
In winter (temperatures below zero), a fluid  
containing an anti-freeze agent which is  
appropriate for the temperature conditions  
must be used in order to protect the system's  
components (pump, tank, ducts, jets).  
In order to avoid the risk of burning, if you need  
to top up in an emergency, wrap a cloth around  
the cap and unscrew the cap by two turns to  
allow the pressure to drop.  
94  

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