check engine Citroen C3 2017 2.G User Guide

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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
the axle and the nose weight approaches
the maximum permitted without
exceeding
it.
Air density decreases with altitude, thus
reducing engine per formance. Above
1
000 metres, the maximum towed load must
be reduced by 10
% for every 1 000 metres of
altitude.
For more information on Weights , refer to the
corresponding section.
Side wind
F Take into account the increased sensitivity to side 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 a long incline
depends on the gradient and the exterior
temperature.
In all cases, keep a check on the coolant
temperature.
F

I
f the warning lamp and the
STOP warning lamp come on,
stop the vehicle and switch off
the engine as soon as possible.
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 Adjusting the
headlamp beam height , refer to the
corresponding section.
The rear parking sensors will be
deactivated automatically to avoid the
audible signal if a genuine CITROËN
towbar 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.
Driving

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Hill start assist
System which keeps your vehicle immobilised
temporarily (approximately 2 seconds) when
starting on a gradient, the time it takes to
move your foot from the brake pedal to the
accelerator pedal.
It only operates when:
-
t
he vehicle is completely stationary, with
your foot on the brake pedal,
-

p
articular conditions on a slope are met,
-

t
he driver’s door is closed.
This hill start assist system cannot be
deactivated.
On an ascending slope, with the vehicle
stationary, the vehicle is held momentarily
when you release the brake pedal.On a descending slope, with the vehicle
stationary and reverse gear engaged, the
vehicle is held momentarily when you
release the brake pedal.
Operating fault
If a fault in the system occurs, this warning
lamp comes on accompanied by a message.
Contact a CITROËN dealer or a qualified
workshop to have the system checked.
Do not leave the vehicle while it is being
held in the hill start assist phase.
If you need to get out of the vehicle with
the engine running, apply the parking
brake manually. Then check that the
parking brake indicator lamp is on (but
not flashing) in the instrument panel.
With a manual gearbox, if you are in first gear
or neutral.
With an automatic gearbox, if you are in
position D or M
.
Driving

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In the event of a fault with the system, the
indicator lamp in the button flashes for a
few moments, then remains on.
Have it checked by a CITROËN dealer or a
qualified workshop.
Operating fault
In the event of a fault in STOP mode, the
vehicle may stall.
All of the instrument panel warning lamps
come
on.
It is then necessary to switch off the ignition
and start the engine again.
In certain circumstances, such as the need
to maintain the temperature in the passenger
compartment, it may be useful to deactivate the
Stop & Start system.
The system can be deactivated at any time,
once the ignition is switched on.
If the engine is in STOP mode, it then restarts.
The Stop & Start system is reactivated
automatically every time the ignition is
switched

on.
Deactivation / Reactivation
The Stop & Start system requires
a 12 V battery of specific technology
and specification.
All work on this type of battery must be
carried out only by a CITROËN dealer
or a qualified workshop.
For more information on the 12 V
Battery , refer to the corresponding
section.
Before doing anything under the bonnet,
deactivate the Stop & Start system to
avoid the risk of injury related to an
automatic change to START mode. Opening the bonnet
Driving on flooded roads
Before driving through a flooded road,
it is strongly recommended that you
deactivate the Stop & Start system.
For more information on Driving
advice , particularly on flooded roads,
refer to the corresponding section. F
P
ress this switch.
Deactivation is confirmed by the illumination of
the indicator lamp in the control switch and the
display of a message.
Pressing the switch again reactivates the
system.
The indicator lamp in the switch goes off,
accompanied by the display of a message.
With the switch on the dashboard
6
Driving

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Misfuel prevention (Diesel)*
When a petrol filler nozzle is introduced 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.
* Depending on the country of sale. Mechanical device which prevents filling the tank of a Diesel vehicle with petrol. It avoids the risk of
engine damage that can result from filling with the wrong fuel.It remains possible to use a fuel can to
fill the tank.
In order to ensure a good flow of fuel,
do not place the nozzle of the fuel can
in direct contact with the flap of the
misfuel prevention device and pour
s l ow l y.Travelling abroad
As Diesel fuel pump nozzles may
be different in other countries, the
presence of the misfuel prevention
device may make refuelling impossible.
Not all Diesel vehicles are fitted with
misfuel protection, so before travelling
abroad, we recommend that you check
with the CITROËN dealer network,
whether your vehicle is suitable for the
fuel pumps in the country in which you
intend to travel.
Operation
Practical information

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Bonnet
F Open the left-hand front door.The location of the interior bonnet
release lever prevents opening of the
bonnet when the left-hand front door
is shut.
When the engine is hot, handle the
exterior safety catch and the stay with
care (risk of burns), using the protected
area.
When the bonnet is open, take care not
to damage the safety catch.
F
L
ift the safety catch and raise the bonnet. F
U nclip the stay from its housing and place
it in the support slot to hold the bonnet
open.
Opening
F Pull the release lever, located at the bottom of the door aperture, towards you.
The cooling fan may star t after switching off the engine: take care with ar ticles and
clothing that might be caught by the fan blades.Do not open the bonnet under very
windy conditions.
Closing
F Take the stay out of its support slot.
F
C lip the stay back into its housing.
F

L
ower the bonnet and release it at the end
of its travel.
F

P
ull on the bonnet to check that it has
latched correctly.
Because of the presence of electrical equipment under the bonnet, it is recommended that
exposure to water (rain, washing,
...) be limited.Before doing anything under the
bonnet, deactivate the Stop & Start
system to avoid any risk of injury
resulting from an automatic change to
START mode.
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Checking levels
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).
Engine oil level
The check is carried out either when
the ignition is switched on using the
oil level indicator in the instrument
panel for vehicles so equipped, or
using the dipstick.
Checking using the dipstick
Check all of these levels regularly, in line with the manufacturer's service schedule. Top them up if necessary, unless other wise indicated.
If a level drops significantly, have the corresponding system checked by a CITROËN dealer or a qualified workshop.If you find that the level is above the A mark or
below the B mark, do not star t the engine.
-

I
f the level is above the MAX mark (risk
of damage to the engine), contact a
CITROËN dealer or a qualified workshop.
-

I
f the level is below the MIN mark, you
must top up the engine oil.
A = MA X
B = MIN
To ensure that the reading is correct,
your vehicle must be parked on a level
sur face with the engine having been off
for more than 30 minutes.
It is normal to top up the oil level between
two services (or oil changes). CITROËN
recommends that you check the level, and top
up if necessary, every 3 000 miles (5 000 kms). The location of the dipstick is shown in the
corresponding underbonnet layout view.
F

T
ake the dipstick by its coloured grip and
remove it completely.
F

W
ipe the end of the dipstick using a clean
non-fluffy cloth.
F

R
efit the dipstick and push fully down, then
pull it out again to make the visual check:
the correct level is between the marks A
and B .
Oil grade
Before topping up the oil or changing the oil,
check that the oil is the correct grade for your
engine and conforms to the manufacturer's
recommendations.
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After topping up the oil, the check when
switching on the ignition with the oil
level indicator in the instrument panel
is not valid during the 30 minutes after
topping up.
Topping up the engine oil level
The location of the oil filler cap is shown in the
corresponding underbonnet layout view.
F
U
nscrew the oil filler cap to reveal the filler
aperture.
F

A
dd oil in small quantities, avoiding any
spills on engine components (risk of fire).
F

W
ait a few minutes before checking the
level again using the dipstick.
F

A
dd more oil if necessary.
F

A
fter checking the level, carefully refit the
oil filler cap and the dipstick in its tube.
Engine oil change
Refer to the manufacturer's service schedule
for details of the interval for this operation.
In order to maintain the reliability of the engine
and emission control system, never use
additives in the engine oil. The brake fluid level should be close
to the "MA X" mark. If it is not, check
the brake pad wear.
Brake fluid level
Changing the fluid
Refer to the manufacturer's service schedule
for details of the interval for this operation.
Fluid specification
The brake fluid must conform to the
manufacturer's recommendations.
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Coolant level
Check the coolant level regularly.
It is normal to top up this fluid
between services.
When the engine is hot, the temperature of the
coolant is regulated by the fan. The coolant level should be close to the "MA X"
mark but should never exceed it.
If the level is close to or below the "MIN" mark,
it is essential to top up.
A low coolant level presents a risk of serious
damage to your engine.
Fluid specification
The coolant must conform to the
manufacturer's recommendations.
Fluid specification
For optimum cleaning and to avoid freezing,
this fluid must not be topped up or replaced
with plain water.
In wintry conditions, it is recommended that you
use an ethyl alcohol or methanol based fluid.
Screenwash fluid level
Top up the level when necessary.
The cooling fan may star t after
switching off the engine: take care
with articles and clothing that might
be caught by the fan blades. When the engine is hot, as the cooling system is
pressurised, wait at least one hour after switching
off the engine before carrying out any work.
To avoid the risk of scalding in the event of an
urgent need to top up, with a cloth around the
cap, unscrew it by two turns to allow the pressure
to drop.
Once the pressure has dropped, remove the cap
and top up the level.
To ensure that the measurement is reliable, the
vehicle must be parked on level ground and the
engine must be cold.
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Checking components
12 V battery
The battery does not require any maintenance.
However, check regularly that the terminals
are correctly tightened (versions without quick
release terminals) and that the connections
are clean.Refer to the manufacturer's
service schedule for details of the
replacement intervals for these
components.
Air filter and passenger compartment filter
Replace the oil filter each time the
engine oil is changed.
Refer to the manufacturer's
service schedule for details of
the replacement interval for this
component.
Oil filter
Unless other wise indicated, check these components in accordance with the manufacturer's service schedule and according to your engine.
Other wise, have them checked by a CITROËN dealer or a qualified workshop.Depending on the environment (e.g. dusty
atmosphere) and the use of the vehicle (e.g.
city driving), replace them twice as often if
necessary.
A clogged passenger compartment filter may
have an adverse effect on the per formance
of the air conditioning system and generate
undesirable odours.
Particle filter (Diesel)
The start of saturation of the particle
filter is indicated by the fixed
illumination of this warning lamp
accompanied by a warning message.
As soon as the traffic conditions permit,
regenerate the filter by driving at a speed of at
least 40 mph (60 km/h) until the warning lamp
goes off.
If the warning lamp stays on, this indicates a
low additive level.
For more information on Checking levels and
the Diesel additive level in particular, refer to
the corresponding section.
On a new vehicle, the first particle
filter regeneration operations may be
accompanied by a "burning" smell,
which is per fectly normal.
Following prolonged operation of the
vehicle at very low speed or at idle,
you may, in exceptional circumstances,
notice the emission of water vapour at
the exhaust on acceleration. This does
not affect the behaviour of the vehicle
or the environment.
For more information and the precautions to
take before starting work on the 12 V batter y
,
refer to the corresponding section.
Versions equipped with Stop & Start are
fitted with a 12 V lead-acid battery of
specific technology and specification.
Its replacement should be carried out
only by a CITROËN dealer or a qualified
workshop.
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To p u p
F Obtain a bottle of AdBlue®. After first
checking the use-by date , read carefully
the instructions on use on the label before
pouring the contents of the bottle into your
vehicle's AdBlue
® tank.
Important : if your vehicle's AdBlue
®
tank is completely empty

- which is
confirmed by the alert messages and
the impossibility of starting the engine
-
you must add at least 4 litres and no
more than 10 litres. If any fluid is spilt or splashed, wash
immediately with cold water or wipe with
a damp cloth.
If the fluid has crystallised, clean it off
using a sponge and hot water.
Important:
when topping up after
running out of AdBlue , signalled
by the message " To p up AdBlue:
starting impossible ", you must wait for
about 5 minutes before switching the
ignition on again, without opening the
driver's door, unlocking the vehicle,
introducing the remote control key
into the ignition switch, or placing
the Keyless Entr y and Star ting
electronic key inside the vehicle.
Switch on the ignition, then wait for
10 seconds before starting the engine.
F
A
fter emptying the bottle, wipe away any
spillage around the tank filler using a damp
cloth.
Refit the filler cap
F Refit the blue cap and turn it a quarter of a turn clockwise, to its stop.
F

C
lose the filler flap.
Practical information