2017 Seat Leon 5D service

Advice
Service life of tyres Fig. 250
Location of the tyre pressure sticker. Correct inflation pressures and sensible driv-
in
g h
ab
its will increase the useful life of your
tyres.
– Check tyre pressure at least once a month,
and also prior to an

y long trip.
– The tyre pressure should only be checked
when the tyre

s are cold. Do not reduce the
pressure of warm tyres.
– Adjust tyre pressure to the load being car-
ried by the

vehicle. –
In vehic
les with a tyre pressure indicator,
save the modified tyre pressure
››› page 283.
– Avoid fast cornering and hard acceleration.
– Inspect the tyres for irregular wear from
time to time.
The usef

ul life of your tyres depends on the
following factors:
Tyre pressure
Tyre pressure values are indicated on the
sticker on the inside of the fuel tank flap
››› Fig. 250.
Insufficient or excessive pressure greatly re-
duces the useful life of the tyres and adverse-
ly affects vehicle performance and ride. Cor-
rect inflation pressures are very important,
especially at high speeds.
Depending on the vehicle, tyre pressure can
be adjusted to medium load to improve driv-
ing comfort (tyre pressure ). When driving
with comfort tyre pressure fuel consumption
may increase slightly.
The tyre pressure must be adjusted according
to the load the vehicle is carrying. If the vehi-
cle is going to carry the maximum load, the
tyre pressure should be increased to maxi-
mum value indicated on the sticker on the in-
side of the fuel tank flap. Do not forget the spare wheel when checking
the tyre pr

essures: Keep this spare wheel in-
flated to the highest pressure required for the
road wheels.
In the case of a minimised temporary spare
wheel (125/70 R16 or 125/70 R18) inflate to
a pressure of 4.2 bar as indicated on the tyre
pressure label on the fuel tank flap.
Driving style
Fast cornering, heavy acceleration and hard
braking (squealing tyres) all increase tyre
wear.
Wheel balance
The wheels on new vehicles are balanced.
However, certain circumstances may lead to
imbalance (run-out), which is detected as vi-
brations in the steering wheel.
Unbalanced wheels should be rebalanced, as
they otherwise cause excessive wear on
steering, suspension and tyres. A wheel must
also be rebalanced when a new tyre is fitted
or if a tyre is repaired.
Incorrect wheel alignment
Incorrect running gear alignment causes ex-
cessive tyre wear, impairing the safety of the
vehicle. If you notice excessive tyre wear, you
should check wheel alignment at a SEAT Offi-
cial Service.
280

Advice
– If
y
ou wish to fit the vehicle with rims or
tyres different to those installed in manu-
facture, it is advisable to consult a SEAT Of- ficial Service before purchasing them.
The tyres and wheel rims are an essential
part of the vehicle's design. The tyres and
rims approved by SEAT are specially matched
to the characteristics of the vehicle and make
a major contribution to good roadholding
and safe handling ››› .
The s iz
e

s of the rims and tyres approved for
your vehicle are listed in the vehicle docu-
mentation (e.g. EC Certificate of Conformity or
COC document 1)
). The vehicle documentation
varies depending on the country of resi-
dence.
A knowledge of tyre designations makes it
easier to choose the correct tyres. The follow-
ing wording can be read on the sides of the
tyre:
205/55 R16 91V
This contains the following information:
205Tyre width in mm
55Height/width ratio in %
RTyre construction: Radial
16Rim diameter in inches
91Load rating code
VSpeed index The manufacturing date is also indicated on
the ty
r

e sidewall (possibly only on the outer
part):
DOT... 2216...
it means, for example, that the tyre was man-
ufactured in the 22nd week of 2016.
But note that with some types of tyre, the ac-
tual tyre size can differ from the nominal size
marked on the tyre (for instance 205/55 R 16
91 W), and there may be significant differen-
ces in the contours of the tyres, even though
the tyres are marked with the same nominal
size designation. When replacing the tyres,
it is therefore important to make sure that
the actual size of the new tyres does not ex-
ceed the dimensions of the factory-approved
makes of tyre.
Failure to observe this requirement can af-
fect the clearance needed for the tyres. If the
tyres rub against the bodywork, in certain
circumstances the tyres, running gear or
bodywork and pipes may be damaged, and
vehicle safety could be severely impaired
››› .
If
y

ou use tyres that are approved by SEAT
you can be sure that the actual tyre dimen- sions will be correct for your vehicle. If you
decide to fit

a different type of tyre, you must
obtain the appropriate manufacturer's certif-
icate from the tyre retailer to confirm that
the tyres are suitable for your vehicle. Keep
this certificate in a safe place.
Your SEAT Official Service will be able to ad-
vise you on which tyres may be fitted to your
vehicle.
It is best to have all servicing of wheels and
tyres performed by a specialised workshop.
They are familiar with the procedure and
have the necessary special tools and spare
parts as well as the proper facilities for dis-
posing of the old tyres respecting the envi-
ronment. WARNING
● It i s

very important to ensure that the tyres
you have chosen have adequate clearance.
When selecting replacement tyres, do not re-
ly entirely on the nominal tyre size marked on
the tyre, since the effective tyre size can dif-
fer significantly depending on the manufac-
turer. Inadequate tyre clearance can result in
damage to the tyres or the vehicle, causing a
serious safety risk. Risk of accident! It may
also invalidate the vehicle's registration for
use on public roads. 1)
COC = certificate of conformity.
282

Wheels
●
Av oid ru
nning the vehicle on tyres that are
more than 6 years old. If you have no
alternative, you should drive slowly and with
extra care at all times.
● If wheel trims are fitted after the car is pur-
cha
sed, ensure that there is an adequate flow
of air for cooling the brake system. For the sake of the environment
Old tyres must be disposed of according to
the l aw

s in the country concerned. Note
● A S EA

T Service Centre should be consulted
to find out whether wheels or tyres of differ-
ent sizes to those originally fitted by SEAT
can be fitted, and to find out about the com-
binations allowed between the front axle
(axle 1) and the rear axle (axle 2).
● Never mount used tyres if you are not sure
of their “pr
evious history”.
● For technical reasons, it is not generally
poss
ible to use the wheels from other vehi-
cles. In some cases, this may also be true for
the same model of wheel. Wheel bolts
The wheel
bolts
ar
e m
atched to the rims.
When installing different wheels (for instance
alloy wheels or wheels with winter tyres) it is
important to use the correct wheel bolts with the right length and correctly shaped bolt
head

s. This ensures that wheels are fitted se-
curely and that the brake system functions
correctly.
The wheel bolts must be clean and turn easi-
ly.
A special adapter is required to turn the anti-
theft wheel bolts* ›››
 page 67.
Tyre monitoring systems Introduction WARNING
Unsuitable handling of the wheels and tyres
ma y

lead to sudden tyre pressure losses, to
tread separation or even to a blow-out.
● Check tyre pressures regularly and ensure
they are m
aintained at the pressures indica-
ted. Tyre pressure that is too low could cause
overheating, resulting in tread detachment or
even burst tyres.
● Tyre pressure should be that indicated on
the label when the ty
res are cold at all times
››› page 291.
● Regularly check the cold inflation pressure
of the tyr
es. If necessary, change the tyre
pressure of the vehicle tyres while they are
cold. ●
Re gu

larly check your tyres for damage and
wear.
● Never exceed the maximum permitted
speed or loa
ds specified for the type of tyre
fitted on your vehicle. For the sake of the environment
Under-inflated tyres lead to increased fuel
c on s

umption and tyre wear. Note
● Driv ing f

or the first time with new tyres at a
high speed can cause them to slightly ex-
pand, which could then produce an air pres-
sure warning.
● Only replace used tyres with those author-
ised by
SEAT for the corresponding type vehi-
cle.
● Do not only rely on the tyre monitoring sys-
tem. Re
gularly check your tyres to ensure
that the tyre pressure is correct and that the
tyres are not damaged due to puncture, cuts,
tears and impacts/dents. Remove objects
from the tyres only when they have not
pierced the tyres. 283
Technical data
Advice
Operation
Emergencies
Safety

Advice
When driving, the system self-calibrates the
ty r
e pr
essure provided by the driver and the
wheels fitted. After a long journey with varied
speeds the programmed values are collected
and monitored.
With the wheels under very heavy loads, the
tyre pressure must be increased to the total
recommended tyre pressure before the cali-
bration ››› page 291. Note
● The tyr e monit

oring indicator does not
function when there is a fault in the ESC or
ABS ››› page 187.
● An erroneous indication may be given when
snow c
hains are in use because they increase
the tread of the wheel. Temporary spare wheel
Gener a
l

information Fig. 255
Compact temporary spare wheel:
r ai
sed floor p

anel. The temporary spare wheel has been de-
s
igned t
o be u

sed for short periods of time.
Have the tyres checked, and if necessary, re-
placed as soon as possible at a SEAT Official
Service or at a specialised workshop.
Please note the following restrictions when
using the compact temporary spare wheel.
The compact temporary spare wheel is de-
signed specifically for this model. For this
reason, do not use a temporary spare wheel
from a different type of vehicle.
Removing the temporary spare wheel
– Lift and hold up the floor panel to remove
the temporar

y spare wheel ››› Fig. 255. –
Turn the thumb wheel anti-c
lockwise.
– Take out the temporary spare wheel.
Chains
F

or technical reasons, snow chains must not
be used on the temporary spare wheel.
If you have a puncture on one of the front
wheels when using snow chains, fit the tem-
porary spare wheel in place of one of the rear
wheels. Fit the snow chains on the rear wheel
that you have removed and replace the punc-
tured front wheel with this wheel. WARNING
● Aft er fittin

g the temporary spare wheel,
check the tyre pressures as soon as possible.
Failure to do so may cause an accident. The
tyre pressures are listed on the inside of the
fuel tank flap.
● Do not drive at over 80 km/h (50 mph)
when the temporar
y spare wheel is fitted on
the vehicle: risk of accident!
● Avoid heavy acceleration, hard braking and
fas
t cornering: risk of accident!
● Never use more than one temporary spare
wheel at the s
ame time, risk of accident.
● No other type of tyre (normal summer or
winter ty
re) may be fitted on the compact
temporary spare wheel rim.
● If you are driving using the spare wheel,
the ACC
system could automatically switch
off during the journey. Switch off the system
when starting off. 286

Wheels
Extraction of the spare wheel in vehi-
c l
e
s with SEAT SOUND 10 speakers
(with subwoofer)* Fig. 256
In the luggage compartment: re-
mo v
e the s

ubwoofer. To remove the spare wheel, you must first re-
mo
v
e the

subwoofer.
– Disassemble the subwoofer's
floor panel
(carpet) as follows:
– LEON/LEON SC model: first, p
ull the carpet
in the direction of the backrest and then
pull it upwards to remove it. LEON ST mod-
el: lift and secure the floor storage com-
partment as explained in ››› page 170.
– Disconnect the subwoofer’s
speaker cable
››› Fig. 256 1 . –
Turn the sec urin

g wheel anti-clockwise 2 .
– Remove the s ub
woofer
speaker and the
spare wheel.
– When re-mounting the spare tyre, place the
subwoofer

on the base of the wheel rim
with care. When doing so, the tip of the
“FRONT” arrow on the subwoofer should
point forward.
– Reconnect the speaker cable and firmly ro-
tate the sec

uring wheel clockwise so that
the subwoofer system and wheel are firmly
in place.
Winter service Winter ty
res –
Winter tyres must be fitted on al
l
four
wheels.
– Only use winter tyres that are approved for
your v

ehicle.
– Please note that the maximum permissible
speed for w

inter tyres may be lower than
for summer tyres.
– Also note that winter tyres are no longer ef-
fective when the

tread is worn down. –
After fittin
g the wheels you must always
check the tyre pressures. When doing so,
take into account the correct tyre pressures
listed on the rear of the front left door
frame ››› page 280.
In winter road conditions winter tyres will
considerably improve vehicle handling. The
design of summer tyres (width, rubber com-
pound, tread pattern) gives less grip on ice
and snow. This applies particularly to vehi-
cles equipped with wide section tyres or with
high speed tyres (code letters H, V or Y on
the sidewall).
Only use winter tyres of the correct type ap-
proved for your vehicle. The sizes of these
tyres are specified in the vehicle's docu-
ments (e.g. EC Certificate of Conformity or
COC 1)
). The vehicle documentation varies de-
pending on the country of residence. See al-
so ››› page 281.
Winter tyres lose a great deal of their proper-
ties when the tread is worn down to a depth
of 4 mm.
The performance of winter tyres is also se-
verely impaired by ageing, even if the tread is
still much deeper than 4 mm.
Winter tyres are subject to the following max-
imum speed limits according to speed rating
code letter: ››› »
1)
COC = certificate of conformity.
287
Technical data
Advice
Operation
Emergencies
Safety

AdviceSpeed rating
code letter
››› page 281Maximum speed limit
Q160 km/h (100 mph)
S180 km/h (112 mph)
T190 km/h (118 mph)
H210 km/h (130 mph)
V240 km/h (149 mph) (please note
relevant restrictions)
W270 km/h (168 mph)
Y300 km/h (186 mph) Vehicles capable of exceeding these speeds
mu
s
t

have an appropriate sticker attached so
that it is visible to the driver. Suitable stickers
are available from the SEAT Official Service
and specialised workshop. Please note the
regulations to this effect in your country.
“All-weather” tyres can also be used instead
of winter tyres.
Using winter tyres with V-rating
Please note that the generally applicable
240 km/h (150 mph) speed rating for winter
tyres with the letter V is subject to technical
restrictions; the maximum permissible
speed for your vehicle may be significantly
lower. The maximum speed limit for these
tyres depends directly on the maximum axle weights for your car and on the listed weight
rating of

the tyres being used.
It is best to contact a SEAT Official Service to
check the maximum speed which is permissi-
ble for the V-rated tyres fitted on your car on
the basis of this information. WARNING
Exceeding the maximum speed permitted for
the wint er ty

res fitted on your car can cause
tyre failure, resulting in a loss of control of
the vehicle – risk of accident. For the sake of the environment
Summer tyres should be fitted again as soon
as po

ssible after the winter period; they give
better handling on roads which are free of
snow and ice. Summer tyres perform with
less rolling noise, tyre wear and – most im-
portant – reduce fuel consumption. 288

Technical specifications
Technical data
T ec
hnic
al specifications
Important The information in the vehicle documentation
alwa
y

s takes precedence over the informa-
tion in this Instruction Manual.
All technical specifications provided in this
documentation are valid for the standard
model in Spain. The vehicle data card inclu-
ded in the Maintenance Programme or the
vehicle registration documents shows which
engine is installed in the vehicle.
The figures may be different depending
whether additional equipment is fitted, for
different models, for special vehicles and for
other countries. Abbreviations used in the Technical Specifi-
cation
s

section
kWKilowatt, engine power measurement.
PSPferdestärke (horsepower), formerly used
to denote engine power.
rpmRevolutions per minute - engine speed.
NmNewton metres, unit of engine torque.
CZCetane number, indication of the diesel
combustion power.
RONResearch octane number, indication of
the knock resistance of petrol. Vehicle identification data
Fig. 257
Vehicle data sticker (luggage com-
p ar tment). Fig. 258
Chassis number. VIN in the Easy Connect
● Select: 
 button > function button SET-
TINGS > Service > Chassis number .
Ch a
s

sis number
The VIN is located in the Easy Connect, on the
vehicle data sticker and under the wind-
screen, on the driver side ››› Fig. 258. Addi-
tionally, the chassis number is located in the
engine compartment, on the right-hand side.
The number is engraved on the top side rail,
and is partially covered.
Identification plate
The type plate is located on the right side
door pillar. Vehicles for certain export coun-
tries do not have a type plate. »
289
Technical data
Advice
Operation
Emergencies
Safety

Index
Driving mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Driv in
g pr
ofile . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Driving through water . . . . . . . . . . . . . . . . . . . . . 204
DSG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Duplicate keys . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Dust and pollen filter . . . . . . . . . . . . . . . . . . . . . . 173
Dynamic lights range control . . . . . . . . . . . . . . . . 146
E E10 see Ethanol (fuel) . . . . . . . . . . . . . . . . . . . . . . . 266
Easy Connect . . . . . . . . . . . . . . . . . . . . . . . . 33, 120
Efficiency program additional consumers . . . . . . . . . . . . . . . . . . . . 43
saving tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Electrical accessories see Power socket . . . . . . . . . . . . . . . . . . . . . . . 159
Electrical socket trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Electric windows . . . . . . . . . . . . . . . . . . . . . . 18, 136 convenience opening and closing . . . . . . . . . 137
Electromechanical steering . . . . . . . . . . . . . . . . . 198 lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Electronic differential lock control . . . . . . . . . . . 187
Electronic immobiliser . . . . . . . . . . . . . . . . . . . . . . 15
Electronic parking brake . . . . . . . . . . . . . . . . . . . 183
Electronic self-locking . . . . . . . . . . . . . . . . . . . . . 187
Electronic Stability Control (ESC) . . . . . . . . . . . . 187
Electronic torque management (XDS) . . . . . . . . . 187
Emergencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 anti-puncture kit . . . . . . . . . . . . . . . . . . . . . . . . . 95
automatic gearbox emergency program . . . . . 197
bulbs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
changing a wheel . . . . . . . . . . . . . . . . . . . . . . . . 66
emergency towing of the vehicle . . . . . . . . . . . . 69
fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
hazard warning lights . . . . . . . . . . . . . . . . . . . 145 jump leads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
manual u
nlocking and locking . . . . . . . . . . . . . 97
puncture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
replacing a blown fuse . . . . . . . . . . . . . . . . . . . . 63
replacing the battery . . . . . . . . . . . . . . . . . . . . 278
vehicle tool kit . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Emergency Assist . . . . . . . . . . . . . . . . . . . . . . . . . 228 switching off . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
switching on . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Emergency braking assistance system indications on the display . . . . . . . . . . . . . . . . 210
malfunction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
operating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
radar sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
switching off temporarily . . . . . . . . . . . . . . . . . 213
system limitations . . . . . . . . . . . . . . . . . . . . . . 214
Emergency braking function . . . . . . . . . . . . . . . . 184
Emergency braking warning . . . . . . . . . . . . . . . . 145
Emergency operation front passenger door . . . . . . . . . . . . . . . . . . . . . 16
selector lever . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Emission control system catalytic converter . . . . . . . . . . . . . . . . . . . . . . 203
control lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
diesel particulate filter . . . . . . . . . . . . . . . . . . . 203
Emissions data . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Engine assisted starting . . . . . . . . . . . . . . . . . . . . . . . . . 70
noises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
preheating . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
running in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Start-Stop system . . . . . . . . . . . . . . . . . . . . . . . 205
starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
starting up (driver messages with the mechan- ical contact) . . . . . . . . . . . . . . . . . . . . . . . . . . 178
switching off (key) . . . . . . . . . . . . . . . . . . . . . . 179 Engine and ignition
automatic ignition switch-off . . . . . . . . . . . . . . 180
My Beat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
preheating the engine . . . . . . . . . . . . . . . . . . . 181
starting the engine . . . . . . . . . . . . . . . . . . . . . . 181
starting the engine with Press & Drive . . . . . . 181
stopping the engine . . . . . . . . . . . . . . . . . . . . . 182
Engine compartment . . . . . . . . . . . . . . . . . . 17, 270 battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61, 277
brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . 61, 275
closing the bonnet . . . . . . . . . . . . . . . . . . . . . . 271
coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . 60, 274
engine oil . . . . . . . . . . . . . . . . . . . . . 59, 272, 273
opening the bonnet . . . . . . . . . . . . . . . . . . . . . 271
safety notes . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
windscreen washer reservoir . . . . . . . . . . 61, 276
Engine coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 G 12 plus-plus . . . . . . . . . . . . . . . . . . . . . . . . . . 60
G 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Engine data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Engine fault control lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Engine management . . . . . . . . . . . . . . . . . . . . . . 202 control lamp . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . 59, 272 changing . . . . . . . . . . . . . . . . . . . . . . . . . 272, 274
checking oil level . . . . . . . . . . . . . . . . . . . . . . . 273
consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
dipstick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
inspection service . . . . . . . . . . . . . . . . . . . . . . 272
maintenance intervals . . . . . . . . . . . . . . . . . . . 272
oil properties . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
specifications . . . . . . . . . . . . . . . . . . . . . . 60, 272
temperature display . . . . . . . . . . . . . . . . . . . . . . 43
topping up . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
318