lights Seat Leon SC 2017 User Guide

The essentials
How does the manual air conditioning work*? Fig. 58
In the centre console: Manual air condi-
tioning c ontr
ols. To switch a specific function on, press the ap-
pr
opri
at

e button. Press the button again to
switch off the function. The LED on each control lights up to indicate
that the r
espective function of a control has
been switched on.
1Temperature
Turn the control to adjust the temperature.
 : Maximum cooling power. The recirculation of air and the cooling system turn on automatically and air distribution adjusts automatically to the
position .
2FanSetting 0: blower and manual air conditioning switched off
Level 6: maximum fan level. 54

The essentials
How does the heating and the fresh air system work? Fig. 59
In the centre console: heating system and
fre sh air c
ontrols. To switch a specific function on, press the ap-
pr
opri
at

e button. Press the button again to
switch off the function. The LED on each control lights up to indicate
that the r
espective function of a control has
been switched on.
1TemperatureTurn the control to adjust the temperature. The temperature cannot be lower than that of the exterior air temperature, as this system cannot cool or dehumid-
ify the air
2FanSetting 0: blower, heating and fresh air systems switched off
Level 6: maximum fan level
3Air distribution 
: Defrost function. The airflow is directed at the windscreen.
: The air is directed at the chest of driver and passengers by the dash panel air vents.
: Distribution of air towards the chest and the footwell area.
: Air distribution to footwells.
: Air distribution towards the windscreen and the footwell.
56

The essentials
Emergencies F u
se
s
Fuse location Fig. 66
On the driver-side dash panel: fuse
bo x
c

over. Fig. 67
In the engine compartment: fuse box
c o
v

er. Underneath the instrument panel
The f
use bo

x is located behind the storage
compartment ››› Fig. 66.
In the engine compartment
Press the locking tabs to release the fuse box
cover ››› Fig. 67.
Identifying fuses situated below the dash
panel by colours
ColourAmp rating
Black1
Purple3
Light brown5
Brown7.5
Red10
Blue15
Yellow20
White or transparent25
Green30
Orange40 
››› in Introduction on page 101
›››
page 101 Replacing a blown fuse
Fig. 68
Image of a blown fuse. Preparation
●
Switch off the ignition, lights and all elec-
tric al
equipment

.
● Open the corresponding fuse box
›››
 page 102.
Identifying a blown fuse
A fuse is blown if its metal strip is ruptured
››› Fig. 68.
● Point a lamp at the fuse to see if it has
blown.
T

o replace a fuse
● Remove the fuse.
● Replace the blown fuse by one with an
identica
l amperage rating (same colour and
markings) and identical size. » 63

The essentials
● Rep
l
ace the cover again or close the fuse
box lid.
Bulbs Bul
bs (12 V) Note: Depending on the level of equipment
fitt
ed in the

vehicle, LEDs may be used for
part or all of the interior and/or exterior light-
ing. LEDs have an estimated life that exceeds
that of the vehicle. If an LED light fails, go to
an authorised workshop for its replacement.
Light source used for each function
Halogen headlights.Type
Daytime running light/side
lightP21W SLL
Dipped beam headlightsH7 LL
Main beam headlightsH7 LL
Turn signalPY21W LL
Full-LED main headlightsType
No bulbs may be replaced. All functions are with LEDs
Front fog lightType
Fog/cornering lights*H8
Rear lightsType
Brake light/tail lightP21W LL
Side lights2x W5W LL
Turn signalPY21W LL
Retro fog lightH21W
Reverse lightsP21W LL
LED rear lightsType
Reverse lightsW16W
The remaining functions work with LEDs 
›››
page 103 Action in the event of a punc-
t
ur
e
Wh

at to do first ●
Park the vehicle on a horizontal surface
and in a s af
e p

lace as far away from traffic as
possible.
● Apply the handbrake.
● Switch on the hazard warning lights.
● Manual gearbox: select the 1s
t gear.●
Automatic ge
arbox: Move the selector lever
to position P.
● If you are towing a trailer, unhitch it from
your v
ehicle.
● Have the vehicle tool kit ›››

 page 95
and the spare wheel* ready
›››  page 286.
● Observe the applicable legislation for each
countr
y (reflective vest, warning triangles,
etc.).
● All occupants should leave the vehicle and
wait in a s
afe place (for instance behind the
roadside crash barrier). WARNING
● Alw a

ys observe the above steps and pro-
tect yourself and other road users.
● If you change the wheel on a slope, block
the wheel on the oppo
site side of the car with
a stone or similar to prevent the vehicle from
moving. 64

The essentials
Jump leads must comply with standard DIN
72553 (see c ab
l
e manufacturer's instruc-
tions). The wire cross section must be at least
25 mm 2
for petrol engines and at least
35 mm 2
for diesel engines. Note
● The v ehic

les must not touch each other,
otherwise electricity could flow as soon as
the positive terminals are connected.
● The discharged battery must be properly
connected t
o the on-board network. How to jump start: description
Fig. 79
Diagram of connections for vehicles
w ithout


Start Stop system Fig. 80
Diagram of connections for vehicles
with St

art Stop system Jump lead terminal connections
Swit
c

h off the ignition of both vehicles
››› .
C onnect
one end of

the red jump lead to
the positive + terminal of the vehicle
w ith the fl
at

battery A
› ›
› Fig. 79 .
Connect the other end of the red jump
lead to the positive terminal + in the
v ehic
l

e providing assistance B .
F or

vehicles without Start-Stop system:
connect one end of the black jump lead
to the negative terminal – of the vehi-
c l
e pr

oviding the current B
› ›
› Fig. 79 .
For vehicles with Start-Stop system: con-
nect one end of the black jump lead X to a suitable ground terminal, to a solid
piec
e of
met

al in the engine block, or to
the engine block itself ››› Fig. 80.
1.
2.
3.
4a.
4b. Connect the other end of the
black
jump
lead X to a solid metal component bol-
t ed t
o the en
gine block or to the engine
block itself of the vehicle with the flat
battery. Do not connect it to a point near
the battery A .
P o
s

ition the leads in such a way that
they cannot come into contact with any
moving parts in the engine compart-
ment.
Starting Start the engine of the vehicle with the
boosting battery and let it run at idling
speed.
Start the engine of the vehicle with the
flat battery and wait for 2 or 3 minutes
until the engine is running.
Removing the jump leads Before you remove the jump leads,
switch off the dipped beam headlights if
they are switched on.
Turn on the heater blower and heated
rear window in the vehicle with the flat
battery. This helps minimise voltage
peaks which are generated when the
leads are disconnected.
When the engine is running, disconnect
the leads in reverse order to the details
given above. »
5.
6.
7.
8.
9.
10.
11.
71

Safety
Safety
Saf e driv
in
g
Safety first! WARNING
● This m

anual contains important informa-
tion about the operation of the vehicle, both
for the driver and the passengers. The other
sections of the on-board documentation also
contain further information that you should
be aware of for your own safety and for the
safety of your passengers.
● Ensure that the on-board documentation is
kept in the
vehicle at all times. This is espe-
cially important when lending or selling the
vehicle to another person. Advice about driving
B ef
or

e setting off For your own safety and the safety of your
p
a
s

sengers, always note the following points
before every trip:
– Make sure that the vehicle's lights and turn
signal

s are working properly.
– Check tyre pressure. –
Ensur
e that all windows provide a clear and
good view of the surroundings.
– Make sure all luggage is secured
›››
page 160.
– Make sure that no objects can interfere
with the pedal

s.
– Adjust front seat, head restraint and mir-
rors

properly according to your size.
– Ensure that the passengers in the rear
seats alw

ays have the head restraints in
the in-use position ››› page 78.
– Instruct passengers to adjust the head re-
straints

according to their height.
– Protect children with appropriate child
seats and pr

operly applied seat belts
››› page 91.
– Assume the correct sitting position. Instruct
your pa

ssengers also to assume a proper
sitting position ››› page 75.
– Fasten your seat belt securely. Instruct your
pas

sengers also to fasten their seat belts
properly ››› page 80.
What affects driving safety? As a driver, you are responsible for yourself
and
y
our p

assengers. When your concentra-
tion or driving safety is affected by any cir- cumstance, you endanger yourself as well as
others on the r

oad ››› , for this reason:
– Always pay attention to traffic and do not
g et
di

stracted by passengers or telephone
calls.
– Never drive when your driving ability is im-
paired (e.

g. by medication, alcohol, drugs).
– Observe traffic laws and speed limits.
– Always reduce your speed as appropriate
for ro

ad, traffic and weather conditions.
– When travelling long distances, take
break

s regularly - at least every two hours.
– If possible, avoid driving when you are tired
or stre

ssed. WARNING
When driving safety is impaired during a trip,
the risk of

injury and accidents increases. Safety equipment
Never put your safety or the safety of your
p
a
s

sengers in danger. In the event of an acci-
dent, the safety equipment may reduce the
risk of injury. The following points cover part
of the safety equipment in your SEAT:
● three-point seat belts,
● belt tension limiters for the front and rear
side seats,
74

Safety
Seat belts
Wh y
w
ear a seat belt
Number of seats Your vehicle has
five se
ats, two in the front
and three in the rear. Each seat is equipped
with a three-point seat belt.
In some versions, your vehicle is approved
only for four seats. Two front seats and two
rear seats. WARNING
● Never tr an

sport more than the permitted
amount of people in your vehicle.
● Every vehicle occupant must properly fas-
ten and we
ar the seat belt belonging to his or
her seat. Children must be protected with an
appropriate child restraint system. Seat belt control lamp* 
Fig. 89
Instrument panel: right rear seat oc-
c upied and c
orr

esponding seat belt fastened
display. The control lamp illuminates to remind the
driv
er t
o f

asten his seat belt.
Before starting the vehicle: – Fasten your seat belt securely.
– Instruct your passengers to fasten their
seat belts

properly before driving off.
– Protect children by using a child seat ac-
cordin

g to the child's height and weight.
When the ignition is switched on, the control
lamp  in the instrument panel lights up (de-
pending on the model version) if the driver or
passenger have not fastened their seat belts.
When starting to drive, if the vehicle's speed
surpasses approx. 25 km/h (15 mph) and the
seat belts are not fastened or are unfastened during the drive, a warning sound will be
heard f

or a few seconds. The warning light
will also flash .
The lamp  goes out when the driver and
passenger seat belts are fastened with the ig-
nition switched on.
Rear seat belts fastened display*
Depending on the model version, when the
ignition is switched on, the seat belt status
display ››› Fig. 89 on the instrument panel in-
forms the driver whether the passengers in
the rear seats have fastened their seat belts.
The  symbol indicates that the passenger in
this seat has fastened “his or her” seat belt.
When a seat belt in the rear seats is fastened
or unfastened, the seat belt status is dis-
played for approximately 30 seconds. The in-
dication can be hidden by pressing the 0.0/SET button on the dash panel.
The se at
belt

status flashes for a maximum of
30 seconds when a seat belt in the rear seats
is unfastened while the vehicle is in motion.
An audible warning will also be heard if the
vehicle is travelling at over 25 km/h
(15 mph).
80

Safety
travel on the rear seat. Never transport
chi
l
dren in the vehicle if they are not restrain-
ed or the restraint system is not appropriate
for their age, size or weight.
● If you are not wearing a seat belt, or if you
lean f
orward or to the side while travelling or
assume an incorrect sitting position, there is
a substantially increased risk of injury. This
increased risk of injury will be further in-
creased if you are struck by an inflating air-
bag.
● To reduce the risk of injury from an inflating
airbag, alw
ays wear the seat belt properly
››› page 80.
● Always adjust the front seats properly. Description of airbag system
Read the additional information carefully
› ›
›

 page 22.
The airbag system is not a substitute for the
seat belts. The airbag system offers addition-
al protection for the driver and passenger in
combination with the seat belts.
The airbag system comprises the following
modules (as per vehicle equipment): ● Electronic control unit
● Front airbags for driver and passenger
● Knee airbag for the driver
● Side airbags ●
Head airb
ag
● Airbag control lamp  on the instrument
p

anel ››› page 90
● Key-operated switch for front passenger air-
bag
● Contr

ol lamp to disconnect/connect the
front airb
ag.
The airbag system operation is monitored
electronically. The airbag control lamp will il-
luminate for a few seconds every time the ig-
nition is switched on (self-diagnosis).
There is a fault in the system if the control
lamp :
● does not light up when the ignition is
switc
hed on ››› page 90,
● turns off after 4 seconds after the ignition
is sw
itched on,
● turns off and then lights up again after the
ignition is sw
itched on,
● illuminates or flashes while the vehicle is
movin
g.
The airbag system is not triggered if:
● the ignition is switched off
● there is a minor frontal collision
● there is a minor side collision
● there is a rear-end collision
● the vehicle turns over. WARNING
● The seat belt

s and airbags can only provide
maximum protection if the occupants are
seated correctly ››› page 75, Correct position
of the vehicle occupants .
● If a fault has occurred in the airbag system,
have the sy
stem checked immediately by a
specialised workshop. Otherwise there is a
danger that during a collision, the system
may fail to trigger, or not trigger correctly. Airbag activation
The airbags deploy extremely rapidly, within
thou
s
andths

of a second, to provide addi-
tional protection in the event of an accident.
A fine dust may develop when the airbag de-
ploys. This is normal and it is not an indica-
tion of fire in the vehicle.
The airbag system is only ready to function
when the ignition is on.
In special accidents instances, several air-
bags may activate at the same time.
In the event of minor head-on and side colli-
sions, rear-end collisions, overturning or roll-
over of the vehicle, airbags do not activate.
Activation factors
The conditions that lead to the airbag system
activating in each situation cannot be gener-
alised. Some factors play an important role,
86

Airbag system
such as the properties of the object the vehi-
c l
e hits
(hard/soft), angle of impact, vehicle
speed, etc.
Deceleration trajectory is key for airbag acti-
vation.
The control unit analyses the collision trajec-
tory and activates the respective restraint
system.
If the deceleration rate is below the prede-
fined reference value in the control unit the
airbags will not be triggered, even though
the accident may cause extensive damage to
the car.
The following airbags are triggered in seri-
ous head-on collisions:
● Driver airbag.
● Front passenger front airbag
● Knee airbag for the driver.
The fol
lowing airbags are triggered in seri-
ous side-on collisions:
● Front side airbag on the side of the acci-
dent.
● Re

ar side airbag on the side of the acci-
dent.
● Cur

tain (head) airbag on the side of the ac-
cident. In an ac

cident with airbag activation:
● the interior lights switch on (if the interior
light swit
ch is in the courtesy light position);
● the hazard warning lights switch on;
● all doors are unlocked;
● the fuel supply to the engine is cut.
Safety instructions about air-
bags Fr

ont airbags Read the additional information carefully
› ›
›

 page 22. WARNING
● The deplo yment

space between the front
passengers and the airbags must not in any
case be occupied by other passenger, pets
and objects.
● The airbags provide protection for just one
accident; r
eplace them once they have de-
ployed.
● It is also important not to attach any ob-
jects
such as cup holders or telephone
mountings to the surfaces covering the air-
bag units.
● Do not attempt to modify components of
the airbag sys
tem in any way. Knee airbag*
Read the additional information carefully
›› ›

 page 23. WARNING
● The knee airbag i s

deployed in front of the
driver's knees. Always keep the deployment
areas of the knee airbags free.
● Never not fix objects to the cover or in the
deployment
area of the knee airbag.
● Adjust the driver's seat so that there is a
dist
ance of at least 10 cm (4 inches) between
your knees and the location of the this air-
bag. If your physical constitution prevents
you from meeting these requirements, make
sure you contact a specialised workshop. Side airbags*
Read the additional information carefully
› ›
›

 page 24. WARNING
● If y

ou do not wear a seat belt, if you lean
forward, or are not seated correctly while the
vehicle is in motion, you are at a greater risk
of injury if the side airbag system is triggered
in an accident.
● In order for the side airbags to provide their
maximum pr
otection, the prescribed sitting » 87
Technical data
Advice
Operation
Emergencies
Safety

Airbag system
●
The side and he a
d airbags are managed
through sensors located in the interior of the
front doors. To ensure the correct operation of
the side and curtain airbags neither the
doors nor the door panels should be modified
in any way (e.g. fitting loudspeakers). If the
front door is damaged, the airbag system
may not work correctly. All work carried out
on the front door must be done in a special-
ised workshop. Deactivating airbags
A ctiv
ation and de

activation of front
passenger airbag* Fig. 95
Switch for activating and deactivating
the fr ont
p

assenger airbag. Fig. 96
Dash panel: control lamp for deactiva-
ted fr ont

passenger airbag in centre console. Deactivate the front passenger front airbag
on
ly
if

you have to use a rear-facing child
seat in the front passenger seat.
SEAT recommends fitting the child seat in the
rear seat to avoid having to deactivate the
front passenger airbag.
Front passenger front airbag switch
When the front passenger airbag is deactiva-
ted, this means that only the front passenger
front airbag is deactivated. All the other air-
bags in the vehicle remain activated.
Disconnect the front passenger front airbag
● Switch the ignition off.
● Open the glove compartment on the front
pas
senger side.
● Insert the key into the slot of the switch for
deactivatin
g the front passenger airbag ›››
Fig. 95. About 3/4 of the k
ey should enter;
this is as far as it will go.
● Turn the key gently to the  position. If
y

ou have difficulty, ensure that you have in-
serted the key as far as it will go.
● Check, with the ignition switched on, that
the   contro
l lamp remains lit where it
says      in the centre of the
dash panel ››› Fig. 96.
Connect the front passenger front airbag ● Switch the ignition off.
● Open the glove compartment on the front
pas
senger side.
● Insert the key into the slot of the switch for
deactivatin
g the front passenger airbag
››› Fig. 95. About 3/4 of the key should enter,
as far as it will go.
● Turn the key gently to the  position. If
you
have difficulty, ensure that you have inserted
the key as far as it will go.
● Check, with the ignition switched on, that
the   contro
l lamp does not remain lit
where it says      in the cen-
tre of the dash panel ››› Fig. 96. The   con-
trol lamp lights up for 60 seconds and then
goes off. WARNING
● The driver of the

vehicle is responsible for
disabling or switching on the airbag. » 89
Technical data
Advice
Operation
Emergencies
Safety