2017 Seat Leon 5D engine

OperationVehicle with
halogen
headlightsIn the “Coming Home” function, the day-
time running lights (DRL), the rear side
lights and the licence plate lights are
turned on.
Vehicle with
full-LED
headlightsIn the “Coming Home” function, the dip-
ped beams and the daytime running
lights (DRL), the rear side lights and the
licence plate lights are switched on.
Automatic* activation of “Coming Home”
For
v

ehicles with a light and rain sensor (rota-
ry light switch in position ).
● Switch off the engine and remove the key
from the ignition w ith the r

otary light switch
in position  ›››
 page 30.
● The automatic “Coming Home” function is
only activ
e when the light sensor detects
darkness.
● When the car door is opened, the “Coming
Home” lighting come
s on.
Manual “Coming Home” activation
For vehicles with a light and rain sensor (rota-
ry light switch without position ).
● Switch off the engine and remove the key
from the ignition.
● Activ

ate the headlight flashers for approxi-
mately
1 second.
● Activated for any position of the rotary light
switc
h. ●
When the car door is
opened, the “Coming
Home” lighting comes on. The headlights are
turned off 60 seconds after the vehicle door
is opened.
Deactivation
● If no door has been closed, they go out au-
tomatic
ally after 60 seconds.
● After the last door has been closed, the
headlights
will be switched off after the
“Coming Home” delay (as established in the
radio menu) has elapsed.
● On turning the light switch to position 
›››
 page 30.
● When the ignition is switched on (when
star
ting the engine).
Function “Leaving Home” The “Leaving Home” function is only availa-
b
l
e f

or vehicles with a light and rain sensor
(rotary light switch in position ).
This function may be connected/disconnec-
ted through the radio menu. The “Leaving
Home” function switch-off delay may also be
set (default: 30 sec).
Vehicle with
halogen
headlightsIn the “Leaving Home” function, the day-
time running lights (DRL), the rear side
lights and the licence plate lights are
switched on.
Vehicle with
full-LED
headlightsIn the “Leaving Home” function, the dip-
ped beams, the daytime running lights
(DRL), the rear side lights and the li-
cence plate lights are switched on. Activation
● When the vehicle is unlocked using the re-
mote c ontr

ol.
● The “Leaving Home” function is only activa-
ted when the rot
ary light switch is in position
 and the light sensor detects darkness.
Deactivation
● When the “Leaving Home” delay period
ends (def

ault: 30 sec).
● When the vehicle is locked using the re-
mote contr
ol.
● When the light control is switched into a
position other th
an .
● With the ignition is switched on.
144

Seats and head restraints
Electric driver's seat adjustment* Read the additional information carefully
›› ›
 page 19 WARNING
● If the el ectric

front seats are used negli-
gently or without paying due attention, it can
cause serious injury.
● The front seats can also be electrically ad-
just
ed when the ignition is switched off. Nev-
er leave a child or any other person who may
need help in the vehicle.
● In the event of an emergency, electrical ad-
justment
can be stopped by pressing any
control. CAUTION
To avoid damaging the electrical components
of the fr ont

seats, please refrain from kneel-
ing on the seat or applying sharp pressure at
a single point to the seat cushion and back-
rest. Note
● It m a

y not be possible to electrically adjust
the seat if the vehicle battery is very low.
● If the engine is started while the seats are
being electric
ally adjusted, the adjustment
will stop. Adjusting the front head restraints
Read the additional information carefully
›› ›

 page 20
Adjust the head restraint ›››
 page 20 so
that as far as possible the top of the head re-
straint is level with the top of your head.
When this is not possible, try to get as close
as possible to this position.
Adjustment of the rear head restraints Fig. 150
Rear centre head restraint: release
point . When transporting people in the back seat,
p
l
ac

e the head restraints of the occupied
seats at a minimum of the next socket up
››› .Adjusting the head restraints
– To set the head restraint higher, grasp the
side
s

with both hands and move it up-
wards, until you see it engage.
– To set the head restraint lower down, press
the 1
› ››
Fig. 150
b
utton and move it
downwards.
Removing the head restraint
To remove the head restraint, the correspond-
ing backrest must be partially folded forward. – Unlock the backrest ›››
page 156.
– Move the head restraint upwards until it ar-
rives

to the top.
– Press button 1
› ›
› Fig. 150
, while simulta-
neously pressing on the security hole 2 ›››
Fig. 150 with a fl at
screwdriver a maxi-
mum of 5 mm wide, and remove the head
restraint.
– Move the backrest until it engages properly
›› ›

.
Fittin g the he
a
d restraint
To mount the external head restraints, the
corresponding backrest must be partially fol-
ded forward.
– Unlock the backrest ›››
page 156.
– Insert the head restraint bars into the
guides u

ntil they perceptibly engage. It »
153
Technical data
Advice
Operation
Emergencies
Safety

Operation
Fig. 162
Detailed view of the side trim in the
lugg ag
e compartment: 12-volt power socket
(applies only to the LEON ST model). In the centre console
– Remove the connector located in the centre
con
so

le from the power socket ››› Fig. 161
.
– Insert the plug of the electrical appliance
into the pow

er socket.
In the luggage compartment (applies only to
the LEON ST model) – Lift the power socket cover ›››
Fig. 162.
– Insert the plug of the electrical appliance
into the pow

er socket.
Electrical equipment can be connected to the
12 volt power socket. The appliances connec-
ted to each power socket must not exceed a
power rating of 120 Watt. USB power sockets
Depending on the equipment

and the coun-
try, the vehicle may also have USB connec-
tions exclusively for charging or as a power
socket.
These USB ports are located at the rear of the
console, between the front seats ››› Fig. 161
. These connectors can work at a maximum
power of up to 10.5 W per port.
They are not intended for file playback. WARNING
The power socket works only when the igni-
tion is on. Impr

oper use may cause serious
injury or even fire. Children should therefore
not be left in the vehicle unattended if the
button is also left behind. Otherwise there is
a possibility that they may be injured. CAUTION
Always use the correct type of plugs to avoid
dam agin

g the sockets. Note
● The use of el

ectrical appliances with the
engine switched off will cause a battery dis-
charge.
● Should the connected appliance overheat,
immediately
switch it off and disconnect it
from the socket. ●
Bef or

e switching the ignition on or off, un-
plug the appliances from the USB ports to
protect them from any damage caused by
fluctuations in voltage. Storing objects
Lo a

ding the luggage compartment All luggage and other loose objects must be
saf
ely

secured in the luggage compartment.
Unsecured objects which shift back and forth
could impair the driving safety or driving
characteristics of the vehicle by shifting the
centre of gravity.
– Distribute the load evenly in the luggage
comp ar

tment.
– Place heavy objects as far forward as possi-
ble in the lug

gage compartment.
– Place the heavy objects first.
– Secure heavy objects to the fitted fastening
rings

››› page 167. WARNING
● Loo se lug

gage and other objects in the lug-
gage compartment could cause serious inju-
ries.
● Always stow objects in the luggage com-
partment
and secure them on the fastening
rings. 160

Transport and practical equipment
● The r e
ar shelf
can be stored under the lug-
gage compartment variable floor when the
latter is in the top position (except for vehi-
cles equipped with natural gas engine CNG)
››› page 164.
Fitting the rear shelf
● Place the rear shelf in the housing provided
in the left
side cover.
● Engage the support of the rear shelf
›››
Fig. 166 1 in the right housing.
● Check that the support ››
›
Fig. 166 1 is
pr operly
en
gaged. WARNING
Animals, loose or unsecured or objects car-
ried on the re ar shelf

can cause serious injury
in case of sudden manoeuvring or braking or
in case of an accident.
● Do not leave hard, sharp or heavy objects
or in bags
on the rear shelf.
● Never carry animals on the rear shelf. CAUTION
To retract the rear shelf, press on its handle
in a down w

ards only direction; if you press it
upwards it may lead to its axles breaking. Storing the rear shelf
3 Applies to the model: LEON/LEON SC
Fig. 167
In the luggage compartment: covers
f or s
t

oring the rear shelf. Fig. 168
In the luggage compartment: fitting
the s t
or

age compartment shelf. The rear shelf can be stored under the lug-
g
ag
e c

ompartment variable floor.
● Remove the left and right covers
›››
Fig. 167. ●
Pres
s the rear shelf until it engages in its
housing ››› Fig. 168.
● Put the left and right covers in their original
position.
163
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 52
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. » 173
Technical data
Advice
Operation
Emergencies
Safety

Operation
CAUTION
● Switc h the air c
onditioner 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-
ciali
st knowledge and special tools. SEAT rec-
ommends visiting a SEAT Official Service. Note
● When the coolin g sy

stem 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  but-
ton. The button lamp should light up.
● The maximum heat output required to de-
frost
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
windsc
reen free of snow, ice and leaves to en-
sure heating and cooling are not impaired,
and to prevent the windows from misting
over. Operating the Climatronic through the
E
a
sy C

onnect* system 3 Applies to vehicles with a Media System
Touc h/C

olour.
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 on the Climatronic
contro l

panel.
● OR: press the  button in Easy Connect.
W ith the r
otatin

g switch select the air con-
ditioner 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.
To switch a function on or off, or to select a
submenu, you must press the corresponding
function button.
Function button: function
OFFSwitch off and switch on the Climatron-
ic.
SYNCSynchronise driver and front passenger
temperatures.
Function button: function
SETTINGS
The air conditioning settings submenu
is opened. The following settings can al-
so be adjusted:
Air conditioning profile. : Ad-
just the power of the fan in AUTO mode.
You can choose between low, medium
and high.
Automatic air recirculation :
Switching automatic air recirculation on
and off ››› page 176.
BACK : Close the submenu. Operating the Climatronic through the
E
a
sy C

onnect* system 3
Applie
s
to vehicles with Media System Plus/Navi
System/Navi System Plus. Fig. 189
Easy Connect screen: air conditioner
menu. 174

Air conditioning
In the Easy Connect system it is also possible
t o per
form
various adjustments to the Clima-
tronic ››› Fig. 189.
Open the air conditioner menu
● Press the  button on the Climatronic
c ontr
ol

panel.
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
and for that of passenger. Temperatures up
to +22°C (+72°F) are shown with blue arrows,
and temperatures over +22°C (+72°F) with
red arrows.
To switch a function on or off, or to select a
submenu, you must press the corresponding
function button.
Function button: function
OFFClimatronic is switched off.
ONClimatronic is switched on.
SYNCSynchronise driver and front passenger
temperatures.
Function button: function
SETTINGS
The air conditioning settings submenu
is opened. The following settings can al-
so be adjusted:
Air conditioning profile. : Ad-
just the power of the fan in AUTO mode.
You can choose between low, medium
and high.
Automatic air recirculation :
Switching automatic air recirculation on
and off ››› page 176.
Automatic supplementary heat-
er : Activate/deactivate the automatic
activation of the auxiliary heater for
colder countries (only for engines with
auxiliary heater). With the option deacti-
vated, depending on the outside tem-
perature the heating may need more
time than normal to reach a comfortable
temperature.
BACK : Close the submenu. Air conditioning user instructions
The interior cooling system only works when
the en
gine i
s ru

nning and fan is switched on.
The air conditioner operates most effectively
with the windows and the panoramic sliding
sunroof closed. However, if the vehicle has
heated up after standing in the sun for some
time, the air inside can be cooled more quick- ly by opening the windows and the panoram-
ic sliding s

unroof briefly.
Climatronic: change the temperature unit on
the screen of the radio or on the factory-fit-
ted navigation system
Changing the temperature display from Cel-
sius to Fahrenheit on radio or on the factory-
fitted navigation system is done using the
menu on the instrument panel
›››  page 36.
The cooling system cannot be activated
If the air conditioning system cannot be
switched on, this may be caused by the fol-
lowing:
● The engine is not running.
● The fan is switched off.
● The air conditioner fuse has blown.
● The outside temperature is lower than ap-
proxim
ately +3°C (+38°F).
● The air conditioner compressor has been
temporarily
switched off because the engine
coolant temperature is too high.
● Another fault in the vehicle. Have the air
conditioner check
ed by a specialised work-
shop.
Special Characteristics
If the humidity and temperature outside the
vehicle are high, condensation can drip off »
175
Technical data
Advice
Operation
Emergencies
Safety

Operation
the evaporator in the cooling system and
f orm a poo
l
underneath the vehicle. This is
normal and does not indicate a leak! Note
After starting the engine, any residual humid-
ity in the air c onditioner c

ould mist over the
windscreen. Switch on the defrost function as soon as possible to clear the windscreen of
conden
s

ation. Air outlets
Fig. 190
On the dash panel: air vents Air vents
T
o en
s

ure proper heating, cooling and venti-
lation in the vehicle interior, air vents
››› Fig. 190 1 should remain open.
● Turn the corresponding thumbwheel (de-
t ai
l) in the r

equired direction to open and
close the air vents. When the thumbwheel is
in the  position, the corresponding air vent
is closed. ●
Chang
e the air direction using the ventila-
tion grille lever.
There are other additional, non-adjustable air
vents in the dash panel 2 , in the footwell
and in the r e
ar ar

ea of the interior. Note
Food, medicine and other heat or cold sensi-
tive o b

jects should never be placed in front of
the air outlets as they may be damaged or made unsuitable for use by the air coming
from the air
v

ents. Air recirculation mode
Basic points
Air recirculation:

Manual recirculation
176