2018 RENAULT MEGANE engine coolant

1.62
xAnti-lock braking warning
light
It lights up when the ignition or the
engine is switched on and goes off after
a few seconds.
If it lights up when you are driving, it in-
dicates a fault in the anti-lock braking
system.
Braking will then be as normal, without
the ABS. Contact an approved Dealer
as soon as possible.
ÔCoolant temperature warn-
ing light
This lights up red when the ignition is
switched on or the engine is started.
If it turns red, stop and let the engine
idle for a minute or two.
The temperature should drop.
Otherwise, stop the engine. Let the
engine cool down before checking the
coolant.
Contact an approved Dealer.
WARNING LIGHTS (3/6)
UVariable power-assisted
steering warning light
It lights up when the ignition or the
engine is switched on and goes off after
a few seconds.
If it comes on while driving, alongside
the warning light
®, this means
there is a system fault.
Contact an authorised dealer.
©Warning light
This lights up when the ignition
or engine is switched on and goes out
as soon as the engine is running. It can
light up in conjunction with other warn-
ing lights and/or messages on the in-
strument panel.
It means you should drive very care-
fully to an approved dealer as soon as
possible. If you fail to follow this recom-
mendation, you risk damaging your ve-
hicle.
ÄToxic Fume Filter System
Warning Light
On vehicles which are equipped with it,
this light comes on when the engine is
started and, depending on the vehicle,
when the ignition is switched off if the
vehicle is in the engine standby phase
(refer to the information on the “Stop
and Start Function” in section 2) then
goes out.
– If it lights up continuously, consult your approved dealer as soon as
possible;
– if it flashes, reduce the engine speed until the light stops flashing. Contact
your approved Dealer as soon as
possible.
Refer to the information on “Advice:
antipollution, fuel economy and driving”
in Section 2.
The display of information shown below DEPENDS ON THE VEHICLE EQUIPMENT \
AND COUNTRY.

1.69
DISPLAYS AND INDICATORS (4/6)
1211
Coolant temperature indicator 10
In normal use, the indicator 10 should
be before the red zone 11. Under “in-
tensive” operating conditions, the
needle may approach this zone. This
is not serious unless the warning light
® comes on accompanied by a
message on the instrument panel and
a beep.
Fuel gauge 12
If the level is at the minimum, warn-
ing light
M integrated in the indica-
tor comes on orange, accompanied by
a beep. Fill up as soon as possible.
10
15
1314
Instrument panel in miles(option to switch to km/h)
Vehicles not fitted with a multimedia
system
– With the ignition off, press the OK
button 13 and the engine start/stop
button 15;
– using control 14, select “Settings”,
“Instrument panel”, then the unit;
– Press the OK button 13 to confirm.
To return to the previous mode, repeat
the same operation.
Vehicles fitted with a multimedia
system
From the multimedia screen, select
“System” then “Units”.
Note: In both cases, once the battery
is switched off, the on-board computer
automatically returns to the original unit
of measurement.
Engine oil level low warning
When the engine is started, the instru-
ment panel display alerts you when the
minimum oil level is reached. Refer to
the information on the “Engine oil level”
in Section 4.
The first time the warning appears, it
can be cleared by pressing switch 13
“OK”.
Subsequent warnings will disappear
automatically after around 30 seconds.

4.1
Section 4: Maintenance
Bonnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.2
Engine oil level: general information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . . 4.4
Engine oil level: topping up/filling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . . . . 4.5
Oil change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.7
Levels: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.8engine coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . . . . . . . . . . . . . 4.8
brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.9
windscreen washer reservoir . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . 4.10
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.10
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.11
Tyre Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.13
Bodywork maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . . . . . . . 4.15
Interior trim maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . . . . . . 4.18

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).

5.43
OPERATING FAULTS (5/7)
On the roadPOSSIBLE CAUSESWHAT TO DO
Steering becomes heavy. Assistance overheating.
Fault with the electric assistance
motor.
Fault in the assistance system. Drive carefully at reduced speed, be aware
of the level of force in the steering wheel
needed to turn the wheels. Consult an ap-
proved dealer
The engine is overheating. The cool-
ant temperature indicator is in the
warning zone and warning light
® comes on. Engine cooling fan not working. Stop the vehicle, switch off the engine and
contact an approved dealer.
Coolant leaks. Check the coolant reservoir: it should con- tain fluid. If there is no coolant, consult an
approved dealer as soon as possible.
Coolant boiling in the coolant reser-
voir. Mechanical fault: damaged cylinder
head gasket. Stop the engine.
Contact an approved dealer.
Radiator:
If there is a significant lack of coolant, remember that it must never b\
e topped up using cold coolant while
the engine is very warm. After any procedure on the vehicle which has involved even partial drain\
ing of the cooling
system, it must be refilled with a new mixture prepared in the correct p\
roportions. Reminder: only products approved
by our Technical Department may be used for this purpose.

7.3
ALPHABETICAL INDEX (3/6)
G
gear lever........................................................................\
... 2.16
grab handle........................................................................\
3.32
H
»hands-free» card: battery ................................................ 5.32
H
handbrake..............................................................2.16 → 2.19
handsfree.............................................1.8 → 1.10, 3.41 – 3.42
hands-free telephone integrated control ................. 3.57 – 3.58
hazard warning lights signal .............................................. 1.55
head-up display ................................................................. 1.70
headlight beam adjustment .................................... 1.88 – 1.89
headlight flashers .............................................................. 1.55
headlight washer ............................................................. 1.101
headrest.................................................................. 3.36 – 3.37
heated steering wheel ....................................................... 1.25
heating and air conditioning system ...............3.6 → 3.13, 3.19
heating system ........................................................3.6 → 3.20
Hill Start Assist.......................................................2.30 → 2.39
horn ...................................................................\
................ 1.55
horn: flash ..................................................................\
........... 1.55
sounding the horn ........................................................ 1.55
hubcap tool ................................................................. 5.7 – 5.8
I
ignition switch ...................................................................... 2.3
indicators ......................................................1.55, 5.16 → 5.24
indicators: direction indicators ....................................................... 1.55
exterior temperature indicator ...................................... 1.85
instrument panel ........................ 1.60 → 1.71, 1.68 → 1.73
instrument panel .............................. 1.60 → 1.71, 1.68 → 1.81
instrument panel messages...................................1.74 → 1.81interior trim
maintenance ..................................................... 4.18 – 4.19
Isofix .................................................................\
.....1.49 → 1.51
J
jack ...................................................................\
................... 5.7
K
keys ...................................................................\
........1.2 → 1.5
L
lane departure warning ..........................................2.40 → 2.42
levels: brake fluid ...................................................................... 4.9
coolant ................................................................\
........... 4.8
engine oil ....................................................................... 4.4
windscreen washer reservoir ....................................... 4.10
lifting the vehicle changing a wheel ................................................ 5.9 – 5.10
lighting: exterior ......................................................1.7, 1.88 → 1.95
instrument panel .......................................................... 1.90
interior ......................3.27 – 3.28, 5.25 → 5.27, 5.26 – 5.27
lights adjustment ........................................................ 1.88 – 1.89
changing bulbs .................................................. 5.14 – 5.15
front ................................................................... 5.14 – 5.15
lights: adjusting ........................................................... 1.88 – 1.89
brake lights ......................................................5.16 → 5.24
daytime running lights .................................................. 1.93
dipped beam headlights ........................... 1.90, 5.14 – 5.15
direction indicators ..................................1.55, 5.14 → 5.16
fog lights ............................................................. 1.95, 5.18
hazard warning ............................................................ 1.55
main beam headlights ..................1.90 → 1.92, 5.14 – 5.15

7.5
ALPHABETICAL INDEX (5/6)
S
safety distance warning .......................................... 2.47 – 2.48
safety distances ...................................................... 2.47 – 2.48
screenfold-away screen .......................................................... 1.70
navigation display ......................... 1.67, 1.69, 3.57 – 3.58
navigation screen ............................ 1.67, 1.69, 3.57 – 3.58
seat belt pretensioners ..........................................1.30 → 1.33
seat belts ...............................................................1.26 → 1.33
service sheets........................................................ 6.11 → 6.16
sign detection: overspeed warning ........................2.54 → 2.56
signals and lights ...................................................1.88 → 1.95
special features of diesel versions..................................... 2.15
special features of petrol vehicles ..................................... 2.14
speed limiter ..........................................................2.51 → 2.53
standing start .............................................................. 2.8 – 2.9
standing start procedure ............................................. 2.8 – 2.9
starting the engine ............................... 2.3 → 2.7, 2.10 → 2.13
steering wheel adjustment .............................................................\
...... 1.25
Stop & Start .......................................1.84, 1.105, 2.10 → 2.13
Stop & Start function..............................................2.10 → 2.13
stopping the engine ............................................................. 2.4
storage compartment.............................................3.30 → 3.33
storage compartments ..................... 3.30 → 3.33, 3.48 → 3.52
sun blinds ........................................................................\
.. 3.29
sun visor ........................................................................\
.... 3.29
sunroof...................................................................3.24 → 3.26
switching on the vehicle ignition ................................... 2.3, 2.6
T
tailgate ............................................. 3.40 → 3.44, 3.48 → 3.53
tanks and reservoirs brake fluid ...................................................................... 4.9
coolant ................................................................\
........... 4.8 tanks and reservoirs:
windscreen washer ...................................................... 4.10
technical specifications ............................................6.5 → 6.10
telephone ................................................................ 3.57 – 3.58
temperature regulation ............................................3.9 → 3.20
tool kit ........................................................................\
.......... 5.7
towing breakdown ........................................................ 5.37 – 5.38
towing equipment .............................................. 3.53 – 3.54
towing a caravan ............................................. 3.53 – 3.54, 6.9
towing hitch...................................................... 5.7, 5.37 – 5.38
towing rings .............................................................. 3.47, 3.53
towing weights ..................................................................... 6.9
traction control .......................................................2.30 → 2.39
transporting children ..........................1.37 – 1.38, 1.40 → 1.51
transporting objects in the luggage compartment ........................................ 3.53
luggage net ....................................................... 3.46 – 3.47
trims ..................................................................\
................... 5.8
trip computer and warning system... 1.60 → 1.65, 1.72 → 1.81
tyre inflation kit...........................................................5.4 → 5.6
tyre pressure.............................2.27 → 2.29, 4.13 – 4.14, 5.12
tyre pressure monitor.............................................2.27 → 2.29
tyre pressures ...........................2.27 → 2.29, 4.13 – 4.14, 4.14
tyres .................... 2.24, 2.27 → 2.29, 4.13 – 4.14, 5.11 → 5.13
U
unlocking the doors ...............................................1.14 → 1.16
V
vehicle identification plates ......................................... 6.3 – 6.4
ventilation ............................................................\
....3.6 → 3.20
ventilation .............................................................. 3.4 – 3.5
W
warning buzzer

......................................................... 1.17, 1.55