2012 RENAULT LAGUNA COUPE cooling

bulbschanging ......................................... (up to the end of the DU)
lights: dipped beam headlights .................. (up to the end of the DU)
changing a bulb .................................... (up to the end of the DU)
lights: direction indicators .......................... (up to the end of the DU)
lights: side lights ........................................ (up to the end of the DU)
bulbs changing ......................................... (up to the end of the DU)
lights front ................................................. (up to the end of the DU)
5.14
ENG_UD25508_1
Projecteurs lampes au xénon : remplacement des lampes (X91 - D91 - R\
enault)
ENG_NU_939-3_D91_Renault_5
XenOn HeADLIGHtS: changing bulbs
Because some components (the bat -
tery, its mounting) need to be removed,
you are advised to have your bulbs
replaced by an approved dealer.
A special mounting is re -
quired to fit this type of
headlight, it is forbidden to
fit a headlight with xenon
bulbs to a vehicle which was not
designed for it.
Due to the danger involved
in handling high-voltage de-
vices, this type of bulb must
be replaced by an approved
dealer.The engine may be hot
during operations in close
proximity. In addition, the
engine cooling fan may
start at any moment.
Risk of injury.
B
A
c
D
Daytime running light A, front
side lights B and direction
indicator D
Consult an approved dealer.
Dipped beam headlights with
discharge bulbs C
Bulb type: D1S.

batterytroubleshooting ............................... (up to the end of the DU)
5.21
ENG_UD29103_2
Batterie : dépannage (X91 - D91 - Renault)
ENG_NU_939-3_D91_Renault_5
connecting a battery charger
t he battery charger must be com -
patible with a battery with nominal
voltage of 12 volts.
Follow the instructions given by the
manufacturer of the battery charger
you are using.
t o avoid all risk of sparks:
Do not place metal objects on the bat-
tery as this could create a short circuit
between the terminals.
Battery
Never disconnect it.
Battery
BA tter Y: breakdown recovery (1/2)
Handle the battery with care
as it contains sulphuric acid,
which must not come into
contact with eyes or skin. If
it does, wash the affected area with
plenty of cold water.
Ensure that naked flames, red hot
objects and sparks do not come into
contact with the battery as there is a
risk of explosion.
The engine may be hot when car -
rying out operations in close prox -
imity. In addition, the engine cooling
fan can come on at any moment.
Risk of injury.
Starting the vehicle using the
battery from another vehicle
If you have to use the battery from an-
other vehicle to start, obtain suitable
jump leads (with a large cross section)
from an approved dealer or, if you al -
ready have jump leads, ensure that
they are in perfect condition.
the two batteries must have an iden-
tical nominal voltage of 12 volts. The
battery supplying the current should
have a capacity (amp-hours, Ah) which
is at least the same as that of the dis-
charged battery.
Special procedures may be
required to charge some
batteries. Contact an ap -
proved Dealer.
Avoid all risk of sparks which may
cause an immediate explosion, and
charge the battery in a well-venti -
lated area.
Risk of serious injury.
Deactivate the Stop and
Start function for any opera -
tion performed in the engine
compartment.

5.30
ENG_UD28899_2
Anomalies de fonctionnement (X91 - B91 - K91 - D91 - X95 - B95 - D95 - \
K95 - J95 - R95 - X98 - Renault)
ENG_NU_939-3_D91_Renault_5
Jaune NoirNoir texte
OPerA tInG FAuL tS (3/5)
On the road POSSIBLe cAuSeSWHAt tO DO
Vibrations. Tyres not inflated to correct pres-
sures, incorrectly balanced or dam -
aged. Check the tyre pressures: if this is not the
problem, have them checked by an ap
-
proved Dealer.
White smoke from the exhaust. This is not necessarily a fault. Smoke
may be caused by regeneration of the
particle filter.Please refer to the information on “Special
features of diesel versions” in Section 2.
Smoke under the bonnet. Short-circuit or cooling system leak.Stop, switch off the ignition, stand away
from the vehicle and contact an approved
dealer.
The oil pressure warning light comes
on: while cornering or braking The level is too low. Top up the engine oil (refer to the informa-
tion on “Engine oil level – Topping up/refill-
ing” in Section 4).
is slow to go out or remains lit
under acceleration Loss of oil pressure.
Stop the vehicle and contact an approved
Dealer.

JauneNoirNoir texte
5.31
ENG_UD28899_2
Anomalies de fonctionnement (X91 - B91 - K91 - D91 - X95 - B95 - D95 - \
K95 - J95 - R95 - X98 - Renault)
ENG_NU_939-3_D91_Renault_5
OPerA tInG FAuL tS (4/5)
On the road POSSIBLe cAuSeSWHAt tO DO
Steering becomes heavy. Assistance overheating.Consult an approved 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 be topped up using cold coolant while
the engine is very warm. After any procedure on the vehicle which has involved even partial draining of the cooling
system, it must be refilled with a new mixture prepared in the correct proportions. Reminder: only products approved
by our Technical Department may be used for this purpose.