oil Seat Leon 5D 2016 User Guide

Fuses and bulbs
is not running, the gearbox oil pump does
not w
ork
and the gearbox is not adequately
lubricated for higher speeds or longer distan-
ces.
If the vehicle has to be towed with a break-
down truck, it must only be suspended at the
front wheels. Reason: the drive shafts are lo-
cated on the front wheels. If the car is towed
with the rear wheels lifted off the road (I.e.
travelling backwards), the drive shafts also
turn backwards. The planetary gears in the
automatic gearbox then turn at such high
speeds that the gearbox will be severely
damaged in a short time. Note
● If it i

s not possible to tow the vehicle in the
normal way, or if it has to be towed further
than 50 km (30 miles), it must be transported
on a special car transporter or trailer.
● Should the power supply to the selector
lever be int
errupted in position P, the selector
lever will be locked. Before the vehicle can be
recovered/manoeuvred you must manually
release the selector lever ›››
 page 43. Fuses and bulbs
F u
se

s
Introduction In general, a fuse can be assigned to various
electric
al

components. Likewise, an electrical
component can be protected by several
fuses.
Only replace fuses when the cause of the
problem has been solved. If a newly inserted
fuse blows after a short time, you must have
the electrical system checked by a special-
ised workshop as soon as possible. WARNING
The high voltages in the electrical system can
give seriou s

electrical shocks, causing burns
and even death!
● Never touch the electrical wiring of the igni-
tion syst
em.
● Take care not to cause short circuits in the
electrica
l system. WARNING
Using unsuitable fuses, repairing fuses or
bridging a c urr

ent circuit without fuses can
cause a fire and serious injury. ●
Never u se a f

use with a higher value. Only
replace fuses with a fuse of the same amper-
age (same colour and markings) and size.
● Never repair a fuse.
● Never replace a fuse by a metal strip, staple
or simil
ar. CAUTION
● To pr ev

ent damage to the vehicle's electric
system, before replacing a fuse always turn
off the ignition, the lights and all electrical
elements and remove the key from the igni-
tion.
● If you replace a fuse with higher-rating
fuse,
you could cause damage to another part
of the electrical system.
● Protect the fuse boxes when open to pre-
vent the entr
y of dust or humidity as they can
damage the electrical system. Note
● One component m

ay have more than one
fuse.
● Several components may run on a single
fuse. 91
Technical data
Advice
Operation
Emergencies
Safety

Operation
Normal temperature
If in norm
al
operations, the diodes light up
until the central zone, it means that the en-
gine has reached operating temperature. At
high outside temperatures and when making
the engine work hard, the diodes may contin-
ue lighting up and reach the upper zone. This
is no cause for concern, provided the control
lamp  does not light up on the instrument
panel digital display.
Heat range
When the diodes light up in the upper area of
the display and the control lamp appears 
on the instrument panel display, the coolant
temperature is excessive ››› page 266. CAUTION
● To en s

ure a long useful life for the engine,
avoid high revs, driving at high speed and
making the engine work hard for approxi-
mately the first 15 minutes when the engine
is cold. The phase until the engine is warm al-
so depends on the outside temperature. If
necessary, use the engine oil temperature*
›››  page 35 as a guide.
● Additional lights and other accessories in
front of
the air inlet reduce the cooling effect
of the coolant. At high outside temperatures
and high engine loads, there is a risk of the
engine overheating.
● The front spoiler also ensures proper distri-
bution of the c
ooling air when the vehicle is moving. If the spoiler is damaged this can re-
duce the c
oo

ling effect, which could cause
the engine to overheat. Seek specialist assis-
tance. Fuel - Gas level
Fig. 122
Fuel gauge. Displays
2 and
6
› ›
› Fig. 120
only work
when the ignition is switched on. When the
display reaches the reserve mark, the lower
diode lights up in red and the control lamp 
appears ››› page 104. When the fuel level is
very low, the lower diode flashes in red.
The yellow control lamp  lights up when the
reserve level has been reached.
The green warning lamp  lights up when the
vehicle is running in natural gas operating
mode. The green warning lamp  switc

hes off when
the natural gas is exhausted. The engine
changes to operate with petrol.
Problem: If the vehicle is left parked for a
long time immediately after refuelling, the
natural gas level indicator may not accurately
indicate the same level shown after refuelling
when the vehicle is started up again. This is
not due to a leak in the system, but to a drop
in pressure in the gas tank for technical rea-
sons after a cooling phase just after refuel-
ling.
Fuel level - Petrol/Diesel Fig. 123
Fuel gauge. The display
6
› ›
› Fig. 120
only works when
the ignition is switched on. When the display
reaches the reserve mark, the lower diode
108

Operation
Removing the net partition
● Pull the net casing out approximately 5 cm
in the op po
s
ite direction to the arrow
››› Fig. 169 2 .
● Remove the casing from the rails by pulling
in the op po
s

ite direction to the arrows
››› Fig. 169 1 .
● Lift the rear seat backrests. WARNING
During a sudden driving or braking manoeu-
vre, or in the ev ent

of an accident, objects
could be flung though the interior and cause
serious or fatal injuries.
● Always secure objects, even when the net
partition i
s properly assembled.
● There should be nobody behind the assem-
bled p
artition when the vehicle is moving. WARNING
The rear seat backrests should only be lifted
again onc e the net

partition has been disas-
sembled. CAUTION
Incorrect handling of the net partition could
cau se d

amage.
● Do not “release” the net partition when
lowerin
g it, as the net and other vehicle parts
could be damaged. Roll down the net parti-
tion by hand. Tailboard for transporting long items*
Fig. 171
On the rear seat backrest: opening
the t ai
l

board. Fig. 172
In the luggage compartment: open-
in g the t
ai

lboard. On the rear seat, behind the central armrest,
ther
e i
s

a tailboard for transporting long
items in the interior, such as skis. To avoid soiling the interior, dirty objects
should be wr

apped (e.g. in a blanket) before
they are inserted through the tailboard.
When the armrest is down, nobody may trav-
el in the centre rear seat.
Opening the tailboard
● Lower the centre armrest.
● Pull the release lever in the direction of the
arrow and p
ush the tailboard cover
››› Fig. 171 1 down and forwards.
● Open the rear lid.
● Insert the long objects through the gap
fr om the lug
g

age compartment.
● Secure the objects with the seatbelt.
● Close the rear lid.
Clos
ing the tailboard
● Lift the tailboard cover until it engages. The
red mark
on the luggage compartment side
should never be visible.
● Close the rear lid.
● Lift the centre armrest if necessary. Note
The tailboard can also be opened from the
lugg ag

e compartment. To do so, press the re-
lease lever down, in the direction of the ar-
row, and the cover upwards ››› Fig. 172.156

Operation
light up for about one second. This means
th at
the en
gine starts immediately.
If the engine does not immediately start up,
interrupt the starting process and try again
after 30 seconds. To start the engine again,
return the key to position 1 .
St ar
t

-Stop System*
If the vehicle is stopped and the Start-Stop
system* switches off the engine, the ignition
remains switched on.
Automatic gearbox: before leaving the vehi-
cle, make sure that the ignition is switched
off and the selector lever is in position P.
Driver messages on the instrument panel
display
Press the clutch
This message appears on vehicles with a
manual gearbox if the driver tries to start the
engine without having the clutch pedal
pressed. The engine will only start if you
press the clutch pedal.
Press the brake This message appears on vehicles with an
automatic gearbox if the driver tries to start
the engine without having the brake pedal
pressed. Select N or P
This me

ssage appears if you try to start or
stop the engine when the selector lever of
the automatic gearbox is not in position P or
N. The engine can only start or stop in certain
positions.
Engage position P; the vehicle
can move; doors can only close in
position P.For safety reasons, this driver message ap-
pears and an audible warning sounds if the
selector lever of the automatic gearbox is not
in position P after you switch off the ignition.
Put the selector lever in position P, otherwise
the vehicle could roll away.
Gear change: selector lever in
the drive position! This driver message is displayed when the
selector lever is not in the position P when
the driver door is opened. Additionally, a
buzzer will sound. Put the selector lever in
position P, otherwise the vehicle could roll
away.
Ignition is switched on
This driver message is displayed and a buz-
zer is sounded when the driver door is
opened with the ignition switched on. WARNING
● Never ru n the en

gine in confined spaces, as
the exhaust gases are poisonous. CAUTION
Avoid high engine speeds, full throttle and
extr eme lo

ad conditions until the engine has
reached its normal operating temperature,
otherwise this can damage the engine. For the sake of the environment
Do not warm up the engine by idling it. You
shoul d driv

e off as soon as you start the en-
gine. This will help avoid unnecessary ex-
haust emissions. Note
● If it i

s difficult to turn the ignition key to
the position 1 , turn the steering wheel to
both side s
to release the steering lock.
● When starting from cold, the engine may be
a little noisy
for the first few seconds until oil
pressure has built up in the hydraulic valve
lifters. This is quite normal, and no cause for
concern.
● If the vehicle battery is disconnected and
reconnect
ed, the key must remain in the posi-
tion 1 for around 5 seconds before starting
up. 168

Operation
Brake servo
The br ak
e ser
vo increases the pressure you
apply to the brake pedal. It works only when
the engine is running. WARNING
● App ly

the brakes heavily to clean the brake
system only in a suitable traffic situation. Do
not put other road users in danger: there is
risk of causing an accident.
● Ensure the vehicle does not move while in
neutral, when the en
gine is stopped. Failure
to follow this instruction could result in an
accident.
● If the brake fluid loses its viscosity and is
subj
ected to heavy use, vapour bubbles can
form in the brake system. This reduces the ef-
ficiency of the brakes. CAUTION
● Never l et

the brakes “drag” by leaving your
foot on the pedal when it is not necessary to
brake. This overheats the brakes, resulting in
longer stopping distances and greater wear.
● Before driving down a long, steep gradient,
it is
advisable to reduce speed and select a
lower gear. This makes use of engine braking
and relieves the brakes. If you still have to
use the brakes, it is better to brake firmly at
intervals than to apply the brakes continu-
ously. Note
● If the br ak

e servo is out of action, for exam-
ple when the car is being towed, you will
have to press the brake pedal considerably
harder than normal to make up for the lack of
servo assistance.
● If you wish to equip the vehicle with acces-
sories s
uch as a front spoiler or wheel covers,
it is important that the flow of air to the front
wheels is not obstructed, otherwise the
brakes can overheat. Braking and stability systems
El ectr
onic

Stability Control (ESC) The ESC helps to improve safety. It reduces
the t
endency
t

o skid and improves the stabil-
ity and roadholding of the vehicle. The ESC
detects critical handling situations, such as
vehicle understeer or oversteer, or wheelspin
on the driving wheels. It stabilises the vehi-
cle by braking individual wheels or by reduc-
ing the engine torque. The warning lamp will
flash on the instrument panel when the ESC
is intervening .
ESC includes the Anti-lock brake system
(ABS), the brake assist system, the traction
control system (ASR), electronic differential
lock (EDL), electronic self-locking*, selective
torque control* and tractor-trailer sway miti- gation*. ESC also helps stabilise the vehicle
by c

hanging the torque.
Anti-lock brake system (ABS)
ABS prevents the wheels from locking up un-
der braking until the vehicle has reached a
virtual standstill. You can continue to steer
the vehicle even when the brakes are on full.
Keep your foot on the brake pedal and do not
pump the brakes. You will feel the brake ped-
al pulsate while the ABS is working.
Brake assist system
The brake assist system can reduce the re-
quired braking distance. The braking force is
automatically boosted if you press the brake
pedal quickly in an emergency. You must
keep pressing the brake pedal until the dan-
ger has passed.
Traction control system (ASR)
In the event of wheelspin, the traction control
system reduces the engine torque to match
the amount of grip available. This helps the
car to start moving, accelerate or climb a gra-
dient.
Electronic differential lock (EDL)
When the EDL detects wheelspin, it brakes
the spinning wheel and directs the power to
the other driven wheel. This function is active
up to approximately 100 km/h (62 mph).
176

Driver assistance systems
Radar sensor Fig. 199
On the front bumper: radar sensor. A radar sensor is installed on the front bump-
er t
o det
ermine the tr
affic situation
››› Fig. 199 1 . This sensor can detect vehi-
c l
e

s in front up to a distance of approximately
120 m.
The radar sensor's visibility may be impaired
by dirt, mud or snow, or by environmental in-
fluences such as rain or mist. In this case the
adaptive cruise control (ACC) does not work.
The instrument panel displays the following
message: ACC: No sensor vision! If
necessary clean the radar sensor ››› .
When the r a
d

ar sensor begins to operate
properly again, the ACC will automatically be
available again. The message on the instru-
ment panel screen will switch off and the ACC
will be reactivated again. ACC operation may be affected by a strong ra-
dar rev

erse reflection. This may occur, for ex-
ample, in a closed car park or due to the
presence of metallic objects (e.g. rails on the
road or sheets used in road works).
The area in front of and around the radar sen-
sor should not be covered with adhesives,
additional or similar headlights, as this may
negatively affect ACC operation.
If structural modifications are made to the ve-
hicle, for example, if the suspension is low-
ered or the front spoiler is modified, ACC op-
eration may be affected. So structural modifi-
cations should only be made by specialised
workshops. SEAT recommends visiting a SEAT
dealership for this purpose.
If work is done incorrectly on the front of the
vehicle, the radar sensor could be damaged
or lose its settings, and ACC operation may
be affected. So repair work should only be
made by specialised workshops. SEAT recom-
mends visiting a SEAT dealership for this pur-
pose. CAUTION
If you have the sensation that the radar sen-
sor is d

amaged or has lost its settings, dis-
connect the ACC. This will avoid possible
damage. If this occurs have it adjusted.
● The sensor may become damaged or lose
its settin
gs when knocked, for example, dur- ing a parking manoeuvre. This may compro-
mise the sy
s

tem's efficacy or disconnect it.
● Repairs to the radar sensor require special-
ist
knowledge and special tools. SEAT recom-
mends visiting a SEAT dealership for this pur-
pose.
● Clean away the snow with a brush and the
ice pref
erably with a solvent-free de-icer
spray. 199
Technical data
Advice
Operation
Emergencies
Safety

Driver assistance systems
Front Assist operation may be affected by a
s tr
on
g radar reverse reflection. This may oc-
cur, for example, in a closed car park or due
to the presence of metallic objects (e.g. rails
on the road or sheets used in road works).
The area in front of and around the radar sen-
sor should not be covered with adhesives,
additional or similar headlights, as this may
negatively affect Front Assist operation.
If structural modifications are made to the ve-
hicle, for example, if the suspension is low-
ered or the front spoiler is modified, Front As-
sist operation may be affected. So structural
modifications should only be made by speci-
alised workshops. SEAT recommends visiting
a SEAT dealership for this purpose.
If work is done incorrectly on the front of the
vehicle, the radar sensor could be damaged
or lose its settings, and Front Assist opera-
tion may be affected. So repair work should
only be made by specialised workshops.
SEAT recommends visiting a SEAT dealership
for this purpose. CAUTION
If you have the sensation that the radar sen-
sor is d

amaged or has lost its settings, dis-
connect the Front Assist. This will avoid pos-
sible damage. If this occurs have it adjusted.
● The sensor may become damaged or lose
its settin
gs when knocked, for example, dur- ing a parking manoeuvre. This may compro-
mise the sy
s

tem's efficacy or disconnect it.
● Repairs to the radar sensor require special-
ist
knowledge and special tools. SEAT recom-
mends visiting a SEAT dealership for this pur-
pose.
● Clean away the snow with a brush and the
ice pref
erably with a solvent-free de-icer
spray. Operating the Front Assist monitoring
sys
t

em Fig. 209
On the instrument panel display:
Fr ont
As

sist switched off message. Front Assist is active whenever the ignition is
sw
it
c

hed on.
When the Front Assist is switched off, so too
are the advance warning function (pre warn-
ing) and the distance warning. SEAT recommends leaving the Front Assist al-
way

s switched on. Exceptions ››› page 210,
Switch Front Assist off in the following situa-
tions.
Activating and deactivating Front Assist
With the ignition switched on, the Front As-
sist can be switched on and off as follows:
● Select the corresponding menu option us-
ing the butt
on for the driver assistance sys-
tems ›››
 page 31.
● OR: switch the system on and off in Easy
Connect
using the  button and the
Set
up and
Driv
er a
s
sistance function buttons
› ›
›
 page 27.
When Front Assist is switched off, the instru-
ment panel will inform that it has been
switched off with the following indicator 
››› Fig. 209.
Switching the advance warning function on
or off
The advance warning function may be switch-
ed on and off in the Easy Connect system us-
ing the  button and the
Set
up and
Driv er a
s

sistance function buttons
› ›
›
 page 27.
The system will store the setting for the next
time the ignition is switched on.
SEAT recommends keeping the advance
warning function switched on at all times. »
209
Technical data
Advice
Operation
Emergencies
Safety

Towing bracket device
Assembling the detachable ball - Step
2 Fig. 230
Locking the lock Fig. 231
Placing the cover over the lock. Do not omit this first step
››
› page 236, As-
sembling the detachable ball - Step 1 !
● Turn key A in the direction of arrow
1 un-
ti l the p

art of the key with the holes reaches
the bottom position ››› Fig. 230. ●
Remov
e the key in the direction of arrow
2 .
● Place cover B in the lock in the direction
of arr
o

w 3
› ››
Fig. 231
››› .
● Check that the detachable ball is secure
› ›
›

page 237. CAUTION
● Aft er r

emoving the key, always place the
cover over the lever's lock. If the lock be-
comes soiled it will be impossible to insert
the key.
● Keep the towing bracket device's housing
cavity
clean at all times. Dirtiness can pre-
vent the detachable ball from being properly
secured!
● If the detachable ball is removed, always
plac
e the cap on the hook's housing. Checking proper attachment
Fig. 232
Detachable ball properly attached Whenever you go to use the detachable ball,
m
ak
e s

ure that it is properly attached first.
Detachable ball properly attached
● The detachable ball will not fall out of the
housin
g cavity after a major “knock or jerk”.
● Lever A
› ›
› Fig. 232
is fully raised.
● The release bolt B
› ›
› Fig. 232
is sticking
fully out (the red and green part is visible).
● The key has been removed.
● Cover C
› ›
› Fig. 232
is placed over the lock. WARNING
The towing bracket device should only be
used if the det

achable ball has been properly
locked! 237
Technical data
Advice
Operation
Emergencies
Safety

Care and maintenance
Automatic car washes
B ef
or
e going through a car wash, be sure to
take the usual precautions such as closing
the windows and roof. If the vehicle has spe-
cial accessories such as spoilers or a roof
rack or two-way radio aerial, etc., it is advisa-
ble to consult the car wash tunnel operator.
It is best to use a car wash without revolving
bristles if possible.
Washing the vehicle with a high pressure
cleaner
When washing the vehicle with a high-pres-
sure cleaner, always follow the operating in-
structions for the equipment. This applies
particularly to the operating pressure and the
spraying distance. Do not hold the nozzle too
close to soft materials such as rubber hoses
or seals. The same applies to the parking aid
sensors*, which are located in the rear bump-
er.
Do not use a nozzle that sprays the water out
in a direct stream or one that has a rotating
jet for forcing off dirt.
Stickers attached by the factory
Follow these directions to avoid damaging
the stickers:
● Do not use high pressure cleaners.
● To remove ice or snow from the stickers do
not use w
indow scrapers or ice scrapers. ●
Do not poli
sh the stickers.
● Do not use dirty cloths or sponges.
● Preferably wash using a soft sponge and
soft neutr
al soap.
Washing the car by hand
When washing the car by hand, use plenty of
water to soften the dirt first, and rinse off as
well as possible.
Then clean the vehicle with a soft sponge,
glove or brush using only slight pressure.
You should start on the roof and work down.
Special car soap should only be used for very
persistent dirt.
Rinse the sponge or glove thoroughly and of-
ten.
Wheels, sills and similar should be cleaned
last. Use a second sponge for this. WARNING
● The v ehic

le should only be washed with the
ignition switched off. Failure to follow this in-
struction could result in an accident.
● Do not clean the underside of chassis, the
inside of
wheel arches or wheel trims without
protecting your hands and arms. You may cut
yourself on sharp-edged metal parts. Other-
wise, there is a risk of sustaining cuts.
● When washing the car during the winter
season: w
ater and ice in the brake system
can reduce braking effectiveness: risk of acci-
dent! CAUTION
● Do not w a

sh the vehicle in direct sunlight –
otherwise the paint can be damaged.
● Do not use sponges, abrasive household
spong
es or similar to clean insect remains.
This could damage the surface.
● Clean off stubborn dirt (insects, etc.) from
the headlight
s at regular intervals, for in-
stance when filling the fuel tank. The head-
lights should only be washed with water, do
not wipe them with a dry cloth or sponge. It
is best to use soapy water.
● Never wash tyres with a jet that sprays the
water out
in a direct stream. This could dam-
age the tyres even if the spray is kept at a
distance and only used for a very short time.
● Before washing the vehicle in an automatic
car wa
sh, please make sure to retract the ex-
terior mirrors to prevent them from being
damaged. Electrically retractable exterior
mirrors must not be folded in or out by hand,
always use the electrical power control. CAUTION
● Bef or

e washing the vehicle in an automatic
car wash, please proceed as follows to lock
the wiper arms so that they are not moved to-
wards the top of the windscreen:
–the bonnet must be closed.
– switch the ignition on and off.
– press the windscreen wiper lever forward
briefly (windscreen washer function).
This will lock the wiper arms. » 247
Technical data
Advice
Operation
Emergencies
Safety

Advice
For the sake of the environment
The car should only be washed in special
wa sh b
ays. These areas are prepared to pre-
vent oily water from getting into the public
drains. In some places, washing vehicles out-
side the areas intended for this purpose is
prohibited. Camera sensors and lenses
●
Use a small brush to remove snow and a
de-icer s pr

ay to remove ice.
● Clean the sensors with a solvent-free prod-
uct and a sof t, dr

y cloth.
● Moisten the camera lens using a standard
alcohol-b
ased glass cleaning agent and
clean the lens with a dry cloth. In the active
lane assist*, the area in front of the lens is
normally cleaned with the windscreen wash-
er. CAUTION
● When y ou c

lean the vehicle with a pressure
washer:
–Stay a suitable distance from the sensors
on the front and rear bumpers.
– Do not clean the camera lenses or sur-
rounding area with the pressure washer.
● Never use warm or hot water to remove
snow and ic
e from the reverse camera lens,
as it could crack the lens. ●
Never u se abr

asive cleaning agents on the
lens. Waxing and polishing
Care
Wax
in

g protects the paintwork. It is time to
apply a coat of good wax when water no lon-
ger forms droplets and rolls off the clean
paintwork.
Even if a wax solution is used regularly in the
vehicle washing tunnel, it is advisable to pro-
tect the paint with a hard wax coating at least
twice a year.
In the summer, you will find it is much easier
to remove dead insects (which accumulate
on the bumper and the front of the bonnet) if
the car has been treated with care products
recently.
Polishing
Polishing is only necessary if the paint has
lost its shine, and the gloss cannot be
brought back by putting on wax.
If the polish does not contain wax, a wax
product should be applied after polishing. CAUTION
● Do not u se po

lishes and hard wax on pain-
ted parts with a matt finish or on plastic
parts.
● Do not apply paint polishes to the side trim
that ru
ns around the panoramic roof and ends
on the windscreen. However, it can be treated
with hard wax. Trims
In respect for the environment, the silver-
p
l
at

ed trims on the body are made of pure
aluminium (they do not contain chrome).
Dirt or marks on the trim mouldings should
be removed with a cleaning product with a
neutral PH (do not use a chrome cleaner).
Body polish is also unsuitable for use on trim
mouldings. The intensive cleaning fluids of-
ten used before the car goes into a car wash
may contain alkaline substances, which can
cause dull or milky patches when they dry
out.
SEAT Official Services carry stocks of cleaning
products which have been tested for use on
your vehicle and are not harmful to the envi-
ronment.
248