check engine RENAULT MEGANE 2018 Owner's Manual

2.66
ADAPTIVE CRUISE CONTROL (6/7)
This function is an additional driving aid. This function is not under any
circumstances intended to replace the due care and attention of the
driver, who should at all times be in control of the vehicle.
The driver should always adapt their speed to the traffic conditions, re-
gardless of the system indications.
The system should under no circumstances be taken to be an obstacle dete\
ctor
or an anti-collision system.
System servicing/repairs
– In the event of an impact, the sensor alignment may become changed, and \
its operation will consequently be affected. Deactivate the function, then consult
an authorised dealer.
– Any work in the area where the radar is located (repairs, replacements,\
touch- ing up of paintwork) must be carried out by a qualified professional.
System disturbance
In a complex environment (metal bridge, etc.), the system may be affected.
Risk of inadvertent braking.
Operating faults
When the system detects an operating
fault, the
\b warning light lights up
on the instrument panel, with the mes-
sage “Check cruise control”.
There are two possibilities:
– the system is temporarily disrupted (for example: radar obscured by
dirt, mud, snow etc.). In this case,
park the vehicle and switch off the
engine. Clean the detection zone of
the radar. When you next start the
engine, the warning light and the
message go out.
– Otherwise, this may be caused by another fault. Consult an approved
dealer

3.19
Operating faults
As a general rule, contact your ap-
proved dealer in the event of an oper-
ating fault.
– Reduction in de-icing, demisting or air conditioning performance.
This may be caused by the passen-
ger compartment filter cartridge be-
coming clogged.
– No cold air is being produced .
Check that the controls are set cor-
rectly and that the fuses are sound.
Otherwise, switch off the system.
Presence of water under the
vehicle
After prolonged use of the air condi-
tioning system, it is normal for water
to be present under the vehicle. This is
caused by condensation.
AIR CONDITIONING: information and operating instructions (1/2)
Do not add anything to the
vehicle’s ventilation circuit
(for example, to remove
bad odours).
There is a risk of damage or of
fire.
Do not open the refriger-
ant fluid circuit. The fluid
may damage eyes or skin.
Fuel consumption
You will normally notice an increase in
fuel consumption (especially in town)
when the air conditioning is operating.
For vehicles fitted with air conditioning
with no automatic mode, switch off the
system when it is not required.
Advice for reducing consumption
and helping to preserve the
environment
Drive with the air vents open and the
windows closed. If the vehicle has been
parked in the sun, open the doors for a
few moments to let the hot air escape
before starting the engine.
MaintenanceRefer to the Maintenance Document
for your vehicle for the inspection fre-
quency.
Advice on use
In some situations (air conditioning off,
air recirculation activated, ventilation
speed at zero or low etc.), you may
notice that condensation starts to form
on the windows and windscreen.
If there is condensation, use the “Clear
View” function to remove it, then use
the air conditioning in automatic mode
to stop it forming again.
Use the air conditioning system reg-
ularly, even in cold weather, running
it at least once a month for approxi-
mately 5 minutes.
Vehicles equipped with ECO
mode: once activated, ECO mode
may reduce the performance of the
air conditioning. Please refer to the
information on “Driving advice, Eco-
driving” in Section 2.

3.26
Precautions during use
– Vehicle with loaded roof bars.As a general rule, if there is a load
on the roof, use of the sunroof is not
recommended.
Before using the sunroof, check the
objects and/or accessories (bike
racks, roof boxes, etc.) attached to
the roof bars: they should be prop-
erly arranged and secured and
should not interfere with the opera-
tion of the sunroof.
Contact an approved dealer for de-
tails of possible conversions;
– check that the sunroof is properly
closed before leaving your vehicle;
– clean the seal every three months using products recommended by our
Technical Department;
– do not open the sunroof immedi-
ately after it has rained or immedi-
ately after washing the vehicle.
Operating faults
If the sunroof will not close, move the
marked position 3 to position 0 then
press button 4 until the sunroof is com-
pletely closed: consult an approved
dealer.
0
ABC
D
3
4
Important: during this operation, the
sunroof anti-pinch function is de-
activated. Contact your approved
Dealer as soon as possible.
Driver’s responsibility
Never leave your vehicle
with the RENAULT card
inside, and never leave a
child who is not self-sufficient or a
pet, even for a short while.
The reason for this is that the child
may endanger himself or others by
starting the engine, activating equip-
ment such as the window winders
for example, or locking the doors.
If something gets trapped, reverse
the direction of travel as soon as
possible by turning button 4 fully to
the right (position D).
Risk of serious injury.
ELECTRIC SUNROOF (3/3)

4.3
BONNET (2/2)
Closing the bonnet
Check that nothing has been left in the
engine compartment.
To close the bonnet again, hold the
bonnet in the middle and guide it down,
allowing a 30 cm gap before it is closed,
then release it. It will latch automatically
under its own weight.
Ensure that the bonnet is
properly locked.
Check that nothing is pre-
venting the catch from lock-
ing (gravel, cloth, etc.).
After carrying out any work
in the engine compart-
ment, check that nothing
has been left behind (cloth,
tools, etc.).
These may damage the engine or
cause a fire.
In the event of even a slight
impact involving the radia-
tor grille or bonnet, have the
bonnet lock checked by an
authorised dealer as soon as pos-
sible.

4.4
ENGINE OIL LEVEL: general information
It is normal for an engine to use oil for
lubrication and cooling of moving parts
and it is normal to top up the level be-
tween oil changes.
However, contact your approved
Dealer if more than 0.5 litres is being
consumed every 600 miles (1,000 km)
after the running in period.
Oil change frequency: check the oil
level from time to time and certainly
before any long journey to avoid the
risk of damaging your engine.
Reading the oil level
The oil level should be read with the ve-
hicle on level ground, after the engine
has been switched off for some time.
The dipstick must be used to read
the exact oil level and make sure
that the maximum level has not been
exceeded (risk of engine damage).
Refer to the following pages.
The instrument panel display only
alerts the driver when the oil level is at
its minimum. – remove the dipstick and wipe with a
clean, lint-free cloth;
– push the dipstick in as far as it will go (for vehicles equipped with a cap-
type dipstick C, screw the cap in as
far as it will go);
– take out the dipstick again;
– read the level: it should never fall below minimum mark A or exceed
maximum mark B.
Once the operation has been com-
pleted, ensure that the dipstick is
pushed in as far as it will go or that
the “cap-type dipstick” is completely
screwed in.
C
A
B
A
B
In order to prevent splashback, it is
recommended that a funnel be used
when topping up/filling with oil
Before performing any
action in the engine com-
partment, the ignition must
be switched off (please see
the information on “Starting, stop-
ping the engine” in Section 2).
Exceeding the maximum
engine oil level
Under no circumstances
must the maximum fill
level B be exceeded: risk of damage
to the engine and catalytic con-
verter.
If the oil level exceeds the maximum
level, do not start your vehicle and
contact an approved Dealer.

4.5
ENGINE OIL LEVEL: topping up, filling (1/3)
Topping up/Filling
The vehicle must be parked on level
ground and the engine should be cold
(for instance, before the engine is
started up for the first time in the day).– Unscrew cap
1;
– top up the level (as a guide, the ca- pacity between the “ mini" and the
" maxi" reading on the dipstick 2
is between 0.33 and 0.44 gallons
(1.5 and 2 litres) depending on the
engine);
– wait for approximately 20 minutes to allow the oil to flow into the engine;
– check the level using the dipstick 2
(as described above).
Once the operation has been com-
pleted, ensure that the dipstick is
pushed in as far as it will go or that
the “cap-type dipstick” is completely
screwed in.
Do not exceed the “maxi" level and
do not forget to refit the cap 1 and
the dipstick 2.
1
1
2
Before performing any
action in the engine com-
partment, the ignition must
be switched off (please see
the information on “Starting, stop-
ping the engine” in Section 2).
1
2
In order to prevent splashing, it is
recommended that a funnel be used
when topping up/filling the oil.
2

4.6
ENGINE OIL LEVEL: topping up, filling (2/3)
1
2
1
2
1
2
Topping up/Filling
The vehicle must be parked on level
ground and the engine should be cold
(for instance, before the engine is
started up for the first time in the day).– Unscrew cap
1;
– top up the level (as a guide, the ca- pacity between the “ mini" and the
" maxi" reading on the dipstick 2
is between 0.33 and 0.44 gallons
(1.5 and 2 litres) depending on the
engine);
– wait for approximately 20 minutes to allow the oil to flow into the engine;
– check the level using the dipstick 2
(as described above).
Once the operation has been com-
pleted, ensure that the dipstick is
pushed in as far as it will go or that
the “cap-type dipstick” is completely
screwed in.
Do not exceed the “maxi" level and
do not forget to refit the cap 1 and
the dipstick 2.
Before performing any
action in the engine com-
partment, the ignition must
be switched off (please see
the information on “Starting, stop-
ping the engine” in Section 2).
In order to prevent splashing, it is
recommended that a funnel be used
when topping up/filling the oil.

4.7
Engine oil grade
Refer to the Maintenance Service
Booklet for your vehicle.
Never run the engine in an
enclosed space as exhaust
gases are poisonous.
Engine oil change: if you
are changing the oil when
the engine is hot, be careful
not to scald yourself if the
oil overflows.
Filling: take care when
topping up the oil that
no oil drips onto engine
components - risk of fire.
Remember to refit the cap securely
as there is a risk of fire if oil splashes
onto hot engine components.Consult your approved Dealer at
once if you notice an abnormal or
repeated drop in any of the fluid
levels.
ENGINE OIL LEVEL: topping up, filling (3/3)/OIL CHANGE
Exceeding the maximum
engine oil level
Under no circumstances
must the maximum fill level
be exceeded: risk of damage to the
engine and catalytic converter.
If the oil level exceeds the maximum
level, do not start your vehicle and
contact an approved Dealer.
Oil change
Service interval: refer to the
Maintenance Service Booklet for your
vehicle.
Oil change capacity
Please refer to the maintenance docu-
ment for your vehicle, or contact an au-
thorised dealer.
Always check the engine oil level using
the dipstick, as explained previously (it
should never fall below the minimum
level, or be over the maximum level on
the dipstick).
When working in the engine
compartment, ensure that
the windscreen wiper stalk
is in the park position.
Risk of injury.
Please note when work-
ing close to the engine that
it may be hot. The engine
cooling fan may also start
at any moment. The
 warning
light in the engine compartment re-
minds you of this.
Risk of injury.

4.8
Replacement intervals
Refer to the Maintenance Document for
your vehicle.
Checking intervals
Check the coolant level regularly

(very severe damage is likely to be
caused to the engine if it runs out of
coolant).
If the level needs to be topped up, only
use products approved by our Technical
Department which ensure:
– protection against freezing;
– anticorrosion protection of the cool- ing system.
LEVELS (1/3)
Coolant level
With the engine switched off and on
level ground, the level when cold must
be between the “MINI" and "MAXI"
marks on coolant reservoir 1.
Top this level up when cold before it
reaches the MIN mark.
No operations should be
carried out on the cooling
circuit when the engine is
hot.
Risk of burns.
Consult your approved dealer at
once if you notice an abnormal or
repeated drop in any of the fluid
levels.
Please note when work-
ing close to the engine that
it may be hot. The engine
cooling fan may also start
at any moment. The
 warning
light in the engine compartment re-
minds you of this.
Risk of injury.
1
Before performing any
action in the engine com-
partment, the ignition must
be switched off (please see
the information on “Starting, stop-
ping the engine” in Section 2).

4.9
LEVELS (2/3)
Brake fluid level
This should be checked frequently, and
any time you notice even the slightest
loss in braking efficiency.
The level should be read with the engine
switched off and on level ground.Level 2
It is normal for the level to drop as
the linings become worn, but it should
never drop below the “MINI” warning
line.
If you wish to check the disc and drum
wear yourself, you should obtain the
document explaining the checking pro-
cedure from our network or from the
manufacturer’s website. Topping up
After any operation on the hydraulic cir-
cuit, a specialist must replace the fluid.
Only use fluids approved by our
Technical Department (and taken from
a sealed container).
Replacement intervals
Refer to the Maintenance Document for
your vehicle.
Please note when work-
ing close to the engine that
it may be hot. The engine
cooling fan may also start
at any moment. The
 warning
light in the engine compartment re-
minds you of this.
Risk of injury.
2
Before performing any
action in the engine com-
partment, the ignition must
be switched off (please see
the information on “Starting, stop-
ping the engine” in Section 2).
If there is an abnormal or repeated
drop in the fluid level, consult an ap-
proved dealer.