RENAULT MASTER 2018 Owners Manual

5.37
WIPER BLADES
– press tab 3 and slide the wiper blade
downwards to release hook 5 from
the wiper arm;
– slide the blade ( A) then lift it ( B) to
release it.
Refitting
To refit the wiper blade, proceed in the
reverse order to removal. Make sure
that the blade is correctly locked in po-
sition.
Check the condition of the wiper
blades. You are responsible for their
service life:
– clean the blades and the wind- screen regularly with soapy
water;
– do not use them when the wind- screen is dry;
– free them from the windscreen when they have not been used
for a long time.
– In frosty weather, make
sure that the wiper blades
are not stuck by ice (to
avoid the risk of the motor
overheating).
– Check the condition of the wiper
blades.
Replace the wiper blades as soon
as they begin to lose efficiency
(approximately once a year).
Whilst changing the blade, take care
not to drop the arm onto the window
after it has been removed as this
may break the window.
23
4
5
BA
To access the wiper blades, stand on
step 1. Note: the step may be slippery.
Replacing windscreen wiper
blades 2
– Lift wiper arm 4;
– move the blade into a horizontal po- sition;
1

5.38
TOWING: breakdown (1/2)
The steering wheel must be un-
locked and the ignition key must be
in position M (ignition on) to provide
brake lights and hazard warning
lights on the towed vehicle. At night
the vehicle must have its lights on.
Unhitch the trailer, etc., if one is
being towed.
You must observe the towing regu-
lations which apply in the country in
which you are driving: do not exceed
the towing weight for your vehicle.
Contact an approved dealer.
– Use a rigid towing bar.
If a rope or cable is used
(where the law allows this),
the vehicle being towed
must be able to brake.
– A vehicle must not be towed if it is not fit to be driven.
– Avoid accelerating or braking suddenly when towing, as this
may result in damage being
caused to the vehicle.
– When towing a vehicle, it is ad- visable not to exceed 15 mph
(25 km/h).
When the engine is
stopped, steering and brak-
ing assistance are not op-
erational.
Do not remove the key from
the ignition when the vehi-
cle is being towed.
Towing a vehicle with a
sequential gearbox
If the gearbox is stuck in a gear:
– switch on the ignition;
– select neutral with the brake pedal depressed;
– check that the gearbox is in neutral (by pushing the vehicle for example).
If you cannot find neutral you must tow
the vehicle with the front wheels raised.
The vehicle should always be towed
with the ignition switched off.

5.39
First screw in towing hitch 4 as far
as it will go by hand, then finish tight-
ening it fully using the wheelbrace
stored in tool kit 3.
TOWING: breakdown (2/2)
When storing the tools,
ensure that they are cor-
rectly replaced in unit 3, in
their original positions and
store the unit under the driver’s
seat. Do not leave the tools unse-
cured inside the vehicle as they may
come loose under braking.
Front towing point 2
Accessing towing hitch 4
Move the driver’s seat forward and re-
cline the seatback so that tool kit 3 can
be removed.
Access to front towing point 2
Unclip cover 5 by inserting a flat-blade
screwdriver or similar under the cover.
3
2
5
4
1
Only use:
– At the rear left, towing point 1.
– At the front, towing hitch 4 (from
the tool kit) and towing point 2.
These towing points may only be used
for pulling the vehicle, never for lifting it
either directly or indirectly.
Rear towing point 1

5.40
FITTING THE RADIO
If your vehicle is not fitted with an audio
system, one can be fitted and locations
have been provided for:
– radio 1;
– front speakers 2 (depending on the
vehicle).
To install any equipment, please con-
sult an approved dealer.
Radio location 1Unclip the blanking cover. The aerial, +
and – supply and speaker wire connec-
tions are located behind it.
– In all cases, it is very important to follow the manufacturer’s instructions care-
fully.
– The specifications of the brackets and wires (available from our networ\
k) vary depending on the equipment level of your vehicle and the type of radio.
Consult an approved Dealer to find out the correct part number.
– No work may be carried out on the vehicle’s electrical or radio circuits, except by approved dealers: an incorrectly connected system may result in damag\
e
being caused to the electrical equipment and/or the components connected\
to
it.
12

5.41
ACCESSORIES
Electrical and electronic accessories
Before installing this type of accessory (particularly for transmitters\
/receivers: frequency bandwidth, power level, po-
sition of the aerial, etc.), make sure it is compatible with your vehic\
le. You can get advice from an authorised dealer.
Connect accessories with a maximum power of 120 Watts only. Fire hazard. When several accessory sockets are
used at the same time, the total power of the connected accessories must\
not exceed 180 watts.
No work may be carried out on the vehicle’s electrical or radio circuits, except by authorised dealers: an incorre\
ctly connecte d
system may result in damage being caused to the electrical equipment and\
/or the components connected to it.
If the vehicle is fitted with any aftermarket electrical equipment, make\
sure that the installation is correctly protected by a fuse.
Establish the rating and position of this fuse.
Using the diagnostic socket
The use of electronic accessories on the diagnostic socket may cause ser\
ious disturbance to the vehicle’s electronic systems.
For your safety we recommend that you use only electronic accessories ap\
proved by the manufacturer, consult an Approved
Dealer. Serious accident risk.
Use of transmitting/receiving devices (telephones, CB equipment etc.).\
Telephones and CB equipment with integrated aerials may cause interferenc\
e to the electronic systems originally fitted to the
vehicle: it is advisable only to use equipment with an external aerial. \
Furthermore, we remind you of the need to conform
to the legislation in force concerning the use of such equipment.
Fitting aftermarket accessories
If you wish to install accessories on the vehicle: please contact an aut\
horised dealer. Also, to ensure the correct operation o f
your vehicle, and to avoid any risk to your safety, we recommend that you use only accessories specifically designed for y\
our
vehicle, which are the only accessories for which the manufacturer will \
provide a warranty.
If you are using an anti-theft device, only attach it to the brake pedal\
.
Obstructions to the driver
On the driver’s side, only use mats suitable for the vehicle, attached with the pre-fi\
tted components, and check the fitting re gu-
larly. Do not lay one mat on top of another. There is a risk of wedging the pedals.

5.42
The starter is activatedPOSSIBLE CAUSESWHAT TO DO
Warning lights dim or fail to come on;
the starter does not run. Battery terminals disconnected,
oxidised or incorrectly secured.Contact an approved Dealer.
Battery discharged or worn. Connect another battery to the faulty bat-
tery. Refer to the paragraph “Battery: trou-
bleshooting” in Section 5 or replace the bat-
tery if necessary.
Do not push the vehicle if the steering
column is locked.
The engine will not start. Starting conditions are not fulfilled.Refer to the information on “Starting/stop-
ping the engine” in Section 2.
The steering column remains locked. Steering wheel locked. To unlock, move the key and the steer-
ing wheel (refer to the information on the
“Ignition switch” in Section 2).
OPERATING FAULTS (1/5)
The following advice will enable you to carry out quick, temporary repai\
rs. For safety reasons you should always contact
an approved dealer as soon as possible.

5.43
On the roadPOSSIBLE CAUSESWHAT TO DO
Vibrations. Tyres not inflated to the correct pres-
sure, incorrectly balanced or dam-
aged. Check the tyre pressures: if this is not the
problem, have them checked by an ap-
proved dealer.
Coolant boiling in the coolant reservoir. Mechanical fault: damaged cylinder
head gasket.Stop the engine.
Contact an approved Dealer.
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.
White smoke from the exhaust. This is not necessarily a fault. Smoke
may be caused by regeneration of
the particle filter. Refer to the information on “Special fea-
tures of diesel versions” in Section 2.
OPERATING FAULTS (2/5)

5.44
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 warning light and the
STOP warning light come 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.
OPERATING FAULTS (3/5)
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 drain\
-
ing of the cooling system, it must be refilled with a new mixture prepar\
ed
in the correct proportions. Reminder: only products approved by our Technical
Department may be used for this purpose.

5.45
OPERATING FAULTS (4/5)
Electrical equipmentPOSSIBLE CAUSESWHAT TO DO
The wipers do not work. Wiper blades stuck. Free the blades before using the wipers.
Faulty electrical circuit. Consult an approved dealer.
Fuse damaged. Replace the fuse or have it replaced; refer
to the information on “Fuses” in section 5.
The wiper does not stop. Faulty electrical controls.Consult an approved dealer.
Direction indicators flashing more
quickly. Blown bulb.
See the information on “Headlights: chang-
ing bulbs” or “Rear lights: changing bulbs”
in Section 5.
Fuse damaged. Replace the fuse or have it replaced; refer
to the information on “Fuses” in section 5.
The direction indicators do not work. Faulty electrical circuit. Consult an approved dealer.
Fuse damaged. Replace the fuse or have it replaced; refer
to the information on “Fuses” in section 5.

5.46
Electrical equipmentPOSSIBLE CAUSESWHAT TO DO
The lights do not come on or go off. Faulty electrical circuit or control. Consult an approved dealer.
Fuse damaged.Replace the fuse or have it replaced; refer
to the information on “Fuses” in section 5.
Traces of condensation in the head-
lights or rear lights. Traces of condensation may be a nat-
ural phenomenon caused by varia-
tions in temperature and humidity.
In this situation, these traces soon dis-
appear when the lights are switched
on.
OPERATING FAULTS (5/5)