2016 Seat Leon 5D service

Lights and visibility
The light distribution that the halogen and
f u
l
l-LED headlights of the SEAT Leon range
have allows the specific “tourist light” values
to be met without the need for stickers or
changes in the settings. Note
“Tourist light” is only allowed temporarily. If
you ar e p

lanning a long stay in a country that
drives on the other side, you should take the
vehicle to an Authorised Technical Service to
change the headlights. Headlight range control, lighting of
the in
s
trument

and control panelFig. 140
Next to the steering wheel: Head-
light r
an

ge control Lighting of the instrument panel, screens
and c
ontr
o

ls*
Depending on the model, lighting of the in-
strument panel and controls can be adjusted
in the Easy Connect system, using the button  and the function button
S
ETUP ›››
 p
age 27.
He a

dlight range control
The headlight range control is modified ac-
cording to the value of the headlight beam
and the vehicle load status. This offers the
driver optimum visibility and the headlights
do not dazzle oncoming drivers ››› .
The he a
dlights

can only be adjusted when
the dipped beam is switched on.
To reset, turn switch ››› Fig. 140:
ValueVehicle load status a)
–Two front occupants, luggage compart-
ment empty
1All seats occupied, luggage compartment
empty
2All seats occupied, luggage compartment
full With trailer and minimum drawbar load
3Driver only, luggage compartment full With
trailer and maximum drawbar load
a)
If the vehicle load does not correspond to those shown in the
table, it is possible to select intermediary positions.
OR: Using the radio menu (see Easy Connect
> Adjusting Lights > Headlamp
height adjustment ›››

 page 27).
Setting 0Two front occupants, luggage compart-
ment empty
Setting 1All seats occupied, luggage compart-
ment empty
Setting 2All seats occupied, luggage compart-
ment full. With trailer and minimum
drawbar load
Setting 3Driver only, luggage compartment full.
With trailer and maximum drawbar load Dynamic headlight range control
The c
ontr
o

l is not mounted in vehicles with
dynamic headlight range control. The head-
light range is automatically adjusted accord-
ing to the vehicle load status when they are
switched on.
Instrument panel lighting
With the ignition on and without light activa-
tion, the instrument panel lighting remains
activated in daytime light conditions. The
lighting is reduced as the exterior light di-
minishes. In some cases, e.g. when driving
through a tunnel without the  function
active, the instrument panel lighting may
even switch off. The objective of this function »
137
Technical data
Advice
Operation
Emergencies
Safety

Lights and visibility
Vanity mirror light
Ther e m
a
y be a vanity mirror, with a cover, on
the rear of the sun visor. When the cover is
opened 2 a light comes on.
The l amp g
oe

s out when the vanity mirror
cover is closed or the sun visor is pushed
back up. WARNING
Folded sun blinds can reduce visibility.
● Always store sun blinds and visors in their
hous in

g when not in use. Note
The light above the sun visor automatically
swit c

hes off after a few minutes in certain
conditions. This prevents the battery from
discharging. Sun blind*
3 Applies to the model: LEON ST
Fig. 142
Rear window: sun blind. Rear window sun blind*
– Pull out the visor and hook it into the hooks
in the c entr
e of
the top of the door frame
››› Fig. 142.
Windscreen wiper and window
wiper sys
tems
Window wiper lever Read the additional information carefully
› ›
›

 page 26 CAUTION
If the ignition is switched off with the wind-
sc r

een wipers active, they complete their wipe before returning to the rest position.
Ice, s
no

w and other obstacles on the wind-
screen may damage the wiper and the wind-
screen wiper motor.
● If necessary, remove snow and ice from the
winds
creen wipers before starting your jour-
ney.
● Carefully lift the frozen windscreen wipers
from the gla
ss. SEAT recommends a de-icer
spray for this operation.
● Do not switch on the windscreen wipers if
the winds
creen is dry. Cleaning with the
windscreen wipers while dry can cause dam-
age.
● In icy conditions, always check that the
wiper bl
ades are not frozen to the glass be-
fore using the wipers. In cold weather, it may
help to leave the vehicle parked with the wip-
ers in service position ›››
 page 63. Note
● The wind s

creen and window wipers only
function when the ignition is switched on and
the bonnet or rear lid, respectively, are
closed.
● The interval wipe speed varies according to
the vehic
le speed. The faster the vehicle is
moving, the more often the windscreen is
cleaned.
● The rear wiper is automatically switched on
when the winds
creen wiper is on and the car
is in reverse gear. 139
Technical data
Advice
Operation
Emergencies
Safety

Air conditioning
Distributing a load
Di s
trib
ute loads uniformly and secure them
correctly ››› .
Chec k
att

achments
Once the cross bars and roof carrier system
have been installed, check the bolted con-
nections and attachments after a short jour-
ney and subsequently with a certain frequen-
cy. WARNING
Exceeding the maximum authorised roof load
can r e

sult in accidents and considerable vehi-
cle damage.
● Never exceed the maximum authorised
load on the r
oof and on the axles or the vehi-
cle's maximum authorised weight.
● Never exceed the load capacity of the cross
bars
and the roof carrier system, even if the
maximum authorised roof load has not been
reached.
● Secure heavy items as far forward as possi-
ble and di
stribute the vehicle load uniformly. WARNING
If the load is loose or not secured, it could fall
from the r oof

carrier system or cause acci-
dents and injuries.
● Always use belts or retaining straps that
are suit
able and in a good condition.
● Secure the load properly. Air conditioning
He atin
g,

ventilation and cool-
ing
Introduction Read the additional information carefully
›› ›

 page 45
Viewing Climatronic information
On the screen of Climatronic control unit and
on the screen of the factory-fitted Easy Con-
nect system, the theoretical values of the
temperature zones are shown.
The unit of temperature measurement can be
changed in the Easy Connect system.
Dust and pollen filter
The dust and pollen filter with its activated
charcoal cartridge serves as a barrier against
impurities in the air taken into the vehicle in-
terior.
The dust and pollen filter must be changed
regularly so that air conditioner performance
is not adversely affected.
If the filter loses efficiency prematurely due
to use in areas with very high levels of air
pollution, the filter must be changed more
frequently than stated in the Service Sched-
ule. WARNING
Reduced visibility through the windows in-
cr e

ases the risk of serious accidents.
● Always ensure that all windows are free of
ice and sno
w, and that they are not fogged,
so as to maintain good visibility of everything
outside.
● The maximum heat output required to de-
fros
t windows as quickly as possible is only
available when the engine has reached its
normal running temperature. Only drive when
you have good visibility.
● Always ensure that you use the heating
syst
em, fresh air system, air conditioner and
the heated rear window to maintain good visi-
bility to the outside.
● Never leave the air recirculation on for a
long period of time. If
the cooling system is
switched off and air recirculation mode
switched on, the windows can mist over very
quickly, considerably limiting visibility.
● Switch air recirculation mode off when it is
not requir
ed. WARNING
Stuffy or used air will increase fatigue and re-
duce driv er c

oncentration possibly resulting
in a serious accident.
● Never leave the fresh air fan turned off or
use the air rec
irculation for long periods of
time; the air in the vehicle interior will not be
refreshed. » 163
Technical data
Advice
Operation
Emergencies
Safety

Operation
CAUTION
● Swit c
h the air conditioner off if you think it
may be broken. This will avoid additional
damage. Have the air conditioner checked by
a specialised workshop.
● Repairs to the air conditioner require spe-
cia
list knowledge and special tools. SEAT rec-
ommends visiting a SEAT Official Service. Note
● When the coo lin

g system is turned off, air
coming from the outside will not be dried. To
prevent fogging of the windows, SEAT recom-
mends leaving the cooling system (compres-
sor) turned on. To do this, press the button  . The button lamp should light up.
● The maximum heat output required to de-
fro s

t windows as quickly as possible is only
available when the engine has reached its
normal running temperature.
● Keep the air intake slots in front of the
winds
creen free of snow, ice and leaves to en-
sure heating and cooling are not impaired,
and to prevent the windows from misting
over. Adjust using the Easy Connect sys-
t
em* 3 Applies to vehicles with a Media System
T ouc

h/Colour.
In the Easy Connect system it is also possible
to perform various adjustments to the Clima-
tronic.
Open the air conditioner menu
● Press the  button of the Climatronic
contr o

ls.
● OR: press the MENU button in Easy Con-
nect .
W

ith the rotating switch select the air
conditioner menu and open it.
On the touch screen you can see and change
the current settings, for example, the temper-
ature set for the driver and passenger sides,
the air distribution and the fan speed. With
button  the driver and passenger side
t emper
at

ures are synchronised ›››
Book-
let Media System Touch/Colour, chapter Air
conditioning.
To switch a function on or off, or to select a
submenu, you must press the corresponding
function button.
For more information about functions
››› page 110.
Func-
tion
buttonFunction
OFFSwitch off and switch on the Climatronic.
SETUP
The air conditioning settings submenu is
opened. It is possible to make the following
adjustments:
Function button Air conditioning profile
: to ad-
just the level of the fan in AUTO mode. You
can choose between low, medium and
high.
Function button Automatic air recirculation
to
switch on and off automatic air recircula-
tion ››› page 166.
BACK
 function button to close the sub-
menu. Adjust using the Easy Connect sys-
t
em* 3 App
lies to vehicles with a Media System Plus/Navi
S
ystem.
In the Easy Connect system it is also possible
to perform various adjustments to the Clima-
tronic.
Open the air conditioner menu
● Press the  button of the Climatronic
c ontr
o

ls.
On the top of the screen you can see and
change the current settings, such as, for ex-
ample, the temperature set for the driver side
164

Driving
ability allow you to do so safely: risk of
skid
din
g!
● With ESC in Sport mode, the stabilising
function w
ill be limited to allow for a sportier
drive. The driving wheels could spin and the
vehicle could “skid”.
● If the ESC/ASR is deactivated, the vehicle
stab
ilisation function is not available. Note
If the ASR is disconnected or the ESC’s Sport
mode i s sel

ected, cruise control* will be
switched off. Hill driving assistant
The hill driving assistant helps the driver to
mo
v
e off

and upward on a hill when the vehi-
cle is stationary.
The system maintains brake pressure for ap-
proximately two seconds after the driver
takes his foot off the brake pedal to prevent
the vehicle from lurching backward when it is
started. During these 2 seconds, the driver
has enough time to release the clutch pedal
and accelerate without the vehicle moving
and without having to use the handbrake,
making start-up easier, more comfortable
and safer.
These are the basic operation conditions: ●
being on a ramp or hi
ll/slope,
● doors closed,
● vehicle completely stationary,
● engine running and foot on the brake,
● besides having a gear engaged or being in
neutral f
or manual gear change and with the
selector lever at position S, D or R for an au-
tomatic gearbox.
This system is also active when reversing up-
hill. WARNING
● If y

ou do not start the vehicle immediately
after taking your foot off the brake pedal, the
vehicle may start to roll back under certain
conditions. Depress the brake pedal or use
the hand brake immediately.
● If the engine stalls, depress the brake ped-
al or u
se the hand brake immediately.
● When following a line of traffic uphill, if you
want t
o prevent the vehicle from rolling back
accidentally when starting off, hold the brake
pedal down for a few seconds before starting
off. Note
The Official Service or a specialist workshop
can t el

l you if your vehicle is equipped with
this system. Manual gearbox
Ch an
gin

g gear Read the additional information carefully
›› ›

 page 42
In some countries the clutch pedal must be
fully pressed down for the engine to start.
Selecting reverse gear ● Engage reverse gear only when the vehicle
is s
topped.
Changing down gears
While driving, changing down a gear must al-
ways be done gradually, i.e. to the gear di-
rectly below and when the engine speed is
not too high ››› . Changing down while by-
p a
s

sing one or various gears at high speeds
or at high engine speeds can damage the
clutch and the gearbox, even if the clutch
pedal remains depressed ››› .
WARNING
When the engine is running, the vehicle will
st ar

t to move as soon as a gear is engaged
and the clutch released. This is also the case
with the electronic parking brake switched
on.
● Never engage reverse gear when the vehi-
cle i
s moving. » 179
Technical data
Advice
Operation
Emergencies
Safety

Driving
the Start-Stop system it is worth switching off
the en gine, f
or e
xample, at level crossings
and at traffic lights that remain red for long
periods of time. When an engine has reached
operating temperature, and depending on
the cylinder capacity, keeping it switched off
for a minimum of about 5 seconds already
saves more than the amount of fuel necessa-
ry for restarting.
The engine takes a long time to warm up
when it is idling. Mechanical wear and pollu-
tant emissions are also especially high dur-
ing this initial warm-up phase. It is therefore
best to drive off immediately after starting
the engine. Avoid running the engine at high
speed.
Regular maintenance
Regular servicing helps in saving fuel even
before the engine is started. A well-serviced
engine gives you the benefit of improved fuel
efficiency as well as maximum reliability and
an enhanced resale value. A badly serviced
engine can consume up to 10% more fuel
than necessary.
Avoid short journeys
The engine and catalytic converter need to
reach their optimal operating temperature in
order to minimise fuel consumption and
emissions. A cold engine consumes a disproportionate
amount of
fuel. The engine reaches its work-
ing temperature after about four kilometres
(2.5 miles), when fuel consumption will re-
turn to a normal level.
Check tyre pressure
Always make sure the tyres are inflated to the
correct pressures ››› page 272 to save fuel. If
the pressure is below half bar, fuel consump-
tion may increase by 5%. Due to the greater
rolling resistance, under-inflation also increa-
ses tyre wear and impairs handling.
Do not use winter tyres all year round as they
increase fuel consumption by up to 10%.
Avoid carrying unnecessary loads
Given that every kilo of extra weight will in-
crease the fuel consumption, it is advisable
to always check the luggage compartment to
make sure that no unnecessary loads are be-
ing transported.
Since the luggage rack increases the aerody-
namic drag of the vehicle, you should remove
it when not needed. At speeds of 100-120
km/h (62-75 mph), this will save 12% of fuel.
Save electrical energy
The engine drives the alternator, thereby gen-
erating electricity. This implies that any in-
crease in power consumption also increases
fuel consumption! For this reason, switch off any unneeded electrical devices. Devices that
use a lot of
electricity includes the blower at
a high setting, the rear window heating or
the seat heating*.
Engine management and ex-
haus
t gas purification system
Introduction WARNING
● Bec au

se of the high temperatures which
can occur in the exhaust purification system
(catalytic converter or diesel particulate fil-
ter), do not park the vehicle where the ex-
haust can come into contact with flammable
materials under the car (e.g. on grass or at
the forest edge). Fire hazard!
● Do not apply wax underneath the vehicle
around the ar
ea of the exhaust system: Fire
hazard! Note
While the control lamps , ,  or  re-
m ain lit, ther

e may be engine problems, fuel
consumption may increase and the engine
may lose power. 189
Technical data
Advice
Operation
Emergencies
Safety

Operation
WARNING
● Alw a
ys pay attention, also when looking
straight ahead, to traffic and the vehicle
surroundings. The assistance systems are not
a replacement for driver awareness. When in-
serting or removing the vehicle from a park-
ing space, or when performing similar ma-
noeuvres the driver always assumes the re-
sponsibility.
● Adapt your speed and driving style at all
times t
o suit visibility, weather, road and traf-
fic conditions.
● The ultrasound sensors have blind spots in
which ob
stacles and people are not regis-
tered. Pay special attention to children and
animals.
● Always keep visual control of the vehicle
surrou
ndings: use the mirrors for additional
help. CAUTION
Parking Aid functions may be negatively af-
fect ed b

y different factors that may lead to
damage to the vehicle or its immediate sur-
rounds:
● Under certain circumstances, the system
does not
detect or display certain objects:
– Objects such as chains, trailer draw bars,
fences, posts and thin trees.
– Objects that are located above the sen-
sors, such as protrusions in a wall. –
Ob j

ects with certain surfaces or struc-
tures, such as wire mesh fences or pow-
der snow.
● Certain surfaces of objects and garments
do not refl
ect the ultrasound sensors' sig-
nals. The system cannot detect, at least cor-
rectly, these objects or people wearing such
clothes.
● Ultrasound sensor signals may be affected
by e
xternal sound sources. In certain circum-
stances this may prevent them from detect-
ing people or objects.
● Please note that low obstacles detected by
the syst
em may no longer be registered by
the sensors as the car moves closer, so the
system will not give any further warning. In
certain circumstances, objects such as high
kerbs that could damage the bottom of the
vehicle are not detected either.
● If the first warning from the ParkPilot is ig-
nored, the v
ehicle could suffer considerable
damage.
● The knocks or damage on the radiator
grill
e, bumper, wheel arch and vehicle under-
body can adjust the orientation of the sen-
sors. This can affect the parking aid function.
Have the function checked by a specialised
workshop. Note
● In cer t

ain situations, the system can give a
warning even though there is no obstacle in
the detected area, e.g: –
with r ough or c

obbled floors or ground
with long grass;
– with external ultrasound sources, such as
cleaning vehicles or other vehicles;
– In downpours, intense snow or dense ex-
haust gases;
– if the registration plate (front or rear) is
not properly affixed to the bumper sur-
face;
– or in locations such as the brow of a hill.
● In order to guarantee good system opera-
tion, keep the ultr
asound sensors clean, free
of snow or ice, and do not cover them with
adhesives or other objects.
● If you use high-pressure or vapour equip-
ment to c
lean the ultrasound sensors, apply
it directly only very briefly and always from a
distance of more than 10 cm.
● Retrofitting of accessories to the vehicle,
such a
s a bicycle rack, may interfere with the
operation of the Parking Aid.
● In order to familiarise yourself with the sys-
tem, it i
s advised that you practice parking in
an area or car park that is free from traffic.
There must be good weather and light condi-
tions.
● The volume and tone of the warnings can
be modified, in addition t
o the indications
››› page 230.
● In vehicles without a driv
er information
system, these parameters can be modified in
a SEAT Official Service or in a specialised
workshop. 226

Towing bracket device
Depending on the country or version, the
t o
w
ing bracket device's detachable ball joint
is located:
● underneath the floor panel of the luggage
compar
tment.
● or else on the surf
ace of the floor panel of
the luggage compartment in a bag secured
to the fastening rings.
The ball joint is fitted and removed by hand.
The towing device bracket is supplied with a
key.
Key to ››› Fig. 225
13-pin connector
Safety lug
Hook housing
Hook housing cap
Ball protective cover
Detachable ball
Locking lever
Lock cover
Release bolt
Lock
Locking balls
Key
1 2
3
4
5
6
7
8
9
10
11
12 Note
Contact an Authorised Service Partner if you
lose y

our key. Placing in standby position
Fig. 226
Step 1 Fig. 227
Step 2 Before assembling it, place the detachable
b
al
l

in the standby position with the follow-
ing two steps.
Step 1
● Turn the key in the direction of arrow 1 un-
ti l
the p

art of the key with the holes reaches
the top position ››› Fig. 226.
Step 2
● Grip the detachable ball below the protec-
tive co
ver.
● Press the release bolt B in the direction of
arr o
w 2 , and at the same time press lever
C in the direction of arrow
3 as far as it will
g o
›
›

› Fig. 227.
The lever will remain blocked in this position.
235
Technical data
Advice
Operation
Emergencies
Safety