Page 1 of 332
SEAT recommends
SEAT GENUINE OIL
SEAT recommends
Castrol EDGE Professional
OWNER’S
MANUAL
Leon
5F0012720BJ
Inglés
5F0012720BJ (11.17)
Leon
Inglés (11.17)
Page 2 of 332

SEAT S.A. is permanently concerned about continuous development of its t\
ypes and models. For this reason we ask you to under-
stand, that at any given time, changes regarding shape, equipment and te\
chnique may take place on the car delivered. For this reason
no right at all may derive based on the data, drawings and descriptions \
in this current handbook.
All texts, illustrations and standards in this handbook are based on the\
status of information at the time of printing. Except for error
or omission, the information included in the current handbook is valid a\
s of the date of closing print.
Re-printing, copying or translating, whether total or partial is not all\
owed unless SEAT allows it in written form.
SEAT reserves all rights in accordance with the “Copyright” Act.
All rights on changes are reserved.
❀This paper has been manufactured using bleached non-chlorine cellulose.
© SEAT S.A. - Reprint: 15.11.17
About this manual
This manual contains a description of the
equipment supplied with the vehicle at the
time this manual was published. Some of the
units described herein will not be available
until a later date or are only available in cer -
tain markets.
Because this is a general manual for the LEON
range, some of the equipment and functions
that are described in this manual are not in-
cluded in all types or variants of the model;
they may vary or be modi ed depending on
the technical requirements and on the mar -
ket; this is in no way deceptive advertising.
The illustrations are intended as a general
guide and may vary from the equipment tted
in your vehicle in some details.
The steering indications (left, right, forward,
reverse) appearing in this manual refer to the
normal driving movements of the vehicle ex -
cept when otherwise indicated.
The audiovisual material only is intended to
help users to understand certain car function -
alities better. It does not replace the instruc -
tion manual. Please use the instruction manu -
al to obtain more comprehensive information
and indications.
The equipment marked with an aster -
isk* is tted as standard only in certain
versions, and is only supplied as op -
tional extras for some versions, or are
only offered in certain countries.
® All registered marks are indicated with
®. Although the copyright symbol does
not appear, it is a copyrighted mark.
>> The section is continued on the follow -
ing page.
Important warnings on a given page
Detailed contents on a given page
General information on a given page
Emergency information on a given page
WARNING
Texts preceded by this symbol contain infor -
mation on safety. They warn you about possi -
ble dangers of accident or injury.
CAUTION
Texts with this symbol draw your attention to
potential sources of damage to your vehicle.
For the sake of the environment
Texts preceded by this symbol contain rele-
vant information concerning environmental
protection.
Note
Texts preceded by this symbol contain additio -
nal information.
This manual is divided into six large parts,
which are:
1. The essentials
2. Safety
3. Emergencies
4. Operation
5. Tips
6. Technical data
At the end of this manual, there is a detailed
alphabetical index that will help you quickly
nd the information you require.
Page 3 of 332

Foreword
Thi s
In
struction Manual and its correspond-
ing supplements should be read carefully to
familiarise yourself with your vehicle.
Besides the regular care and maintenance of
the vehicle, its correct handling will help pre-
serve its value.
For safety reasons, always note the informa-
tion concerning accessories, modifications
and part replacements.
If selling the vehicle, give all of the on-board
documentation to the new owner, as it
should be kept with the vehicle.
You can access the information in this man-
ual using:
● Thematic table of contents that follows the
manual’s g
eneral chapter structure.
● Visual table of contents that uses graphics
to indicat
e the pages containing “essential”
information, which is detailed in the corre-
sponding chapters.
● Alphabetical index with many terms and
synonyms
to help you find information. WARNING
Read and always observe safety informa-
tion conc ernin
g the passenger's front air-
bag ››› page 91, Important information
regarding the front passenger's airbag .
Thank you for trusting in us.
We wish you safe and enjoya-
ble motoring.
SEAT, S.A.
Page 4 of 332
Related videos
Safety: traffic jam assist, adaptive cruise control with city safety assist, front and rear parking sensors and rear view
camera.
www.seat.com/youtube-af/leon/tech-safety››› page 214
››› page 227
››› page 237
››› page 243
Technology: Kessy keyless access and starting system, with My Beat function, navigation system, wireless charger
and Full Link technology.
www.seat.com/youtube-af/leon/tech-tech››› page 123
››› page 129
››› page 183
››› Booklet Navigation system
Page 5 of 332

Frequently Asked Ques-
tion
sBefore driving
How do you adjust the seat?
››› page 19
How do you adjust the steering wheel? ››› page 21
How do you adjust the exterior mirrors? ››› page 21
How do you turn on the exterior lights? ››› page 30
How does the automatic gearbox selector lever work?
››› page 50
How do you refuel? ››› page 58
How do you activate the windscreen wipers and wind-
screen washer system? ››› page 32
Emergency situations
A warning lamp lights up or flashes. What does this
mean? ››› page 47
How do you open the bonnet? ››› page 17
How do you perform a jump start? ››› page 70
Where is the vehicle tool kit located? ››› page 66
How do you repair a tyre with the anti-puncture kit?
››› page 65
How do you change a wheel? ››› page 66
How do you change a fuse? ››› page 63
How do you change a light? ››› page 64
How do you tow a vehicle? ››› page 69
Useful tips
How do you set the time? ››› page 115
When should the vehicle inspection should be per-
formed? ››› page 44
What functions do the buttons/thumbwheels on the
steering wheel perform? ››› page 121
How do you remove the luggage compartment cover?
››› page 169
How do you drive in an economical and environmental-
ly-friendly way? ››› page 200
How do you check and top up the engine oil?
››› page 59
How do you check and top up the engine coolant?
››› page 60
How do you top up the windscreen washer fluid?
››› page 61
How do you check and top up the brake fluid?
››› page 61
How do you check and adjust tyre pressure values?
››› page 280
Vehicle washing tips ››› page 257
Functions of interest
Easy Connect, CAR menu ››› page 33
How does the START-STOP system work? ››› page 205
What parking assistants are available? ››› page 237
How does the rear assist work? ››› page 243
How does the adaptive cruise control work?
››› page 214
How can the SEAT driving mode be adjusted?
››› page 230
How does the lane departure warning system work?
››› page 224
How does tyre pressure monitoring work? ››› page 284
How do you open the vehicle without a key (Keyless Ac-
cess)? ››› page 129
Interior lighting and ambient light ››› page 147
Page 6 of 332
Page 7 of 332

Table of Contents
Table of Contents
The e s
senti
als . . . . . . . . . . . . . . . . . . . . . . . . 7
Exterior view . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Exterior view . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Driver-side general instrument panel (left-
hand drive) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
Driver-side general instrument panel (right-
hand drive) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
Centre console . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Passenger-side general instrument panel (left-
hand drive) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12
Passenger-side general instrument panel
(right-hand driv
e) . . . . . . . . . . . . . . . . . . . . . . . . 13
Interior view . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
How it works . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Unlocking and locking . . . . . . . . . . . . . . . . . . . . 15
Before driving . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Child seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Starting the vehicle . . . . . . . . . . . . . . . . . . . . . . 30
Lights and visibility . . . . . . . . . . . . . . . . . . . . . . 30
Easy Connect . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Driver information System . . . . . . . . . . . . . . . . . 36
Status display . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Cruise control . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Warning lamps . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Gearbox lever . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Air conditioning . . . . . . . . . . . . . . . . . . . . . . . . . 52
Fluid Level control . . . . . . . . . . . . . . . . . . . . . . . 58
Emergencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Bulbs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Action in the event of a puncture . . . . . . . . . . . 64
Changing a wheel . . . . . . . . . . . . . . . . . . . . . . . 66
Snow chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Emergency towing of the vehicle . . . . . . . . . . . 69 How to jump start . . . . . . . . . . . . . . . . . . . . . . . . 70
Changing the wiper blades . . . . . . . . . . . . . . . . 72
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Safe driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Safety first! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Advice about driving . . . . . . . . . . . . . . . . . . . . . 74
Correct position of the vehicle occupants . . . . 75
Pedal area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Why wear a seat belt . . . . . . . . . . . . . . . . . . . . . 80
How to properly adjust your seatbelt . . . . . . . . 83
Seat belt tensioners . . . . . . . . . . . . . . . . . . . . . . 84
Airbag system . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Brief introduction . . . . . . . . . . . . . . . . . . . . . . . . 85
Safety instructions about airbags . . . . . . . . . . . 87
Deactivating airbags . . . . . . . . . . . . . . . . . . . . . 89
Transporting children safely . . . . . . . . . . . . . . . 91
Safety for children . . . . . . . . . . . . . . . . . . . . . . . 91
Child seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Event Data Recorder . . . . . . . . . . . . . . . . . . . . . . 94
Description and operation . . . . . . . . . . . . . . . . . 94
Emergencies . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Self-help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Vehicle tool kit, anti-puncture kit* . . . . . . . . . . 95
Tyre repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Manual unlocking/locking . . . . . . . . . . . . . . . . . 97
Changing the windscreen wiper blades . . . . . . 97
Towing or tow-starting . . . . . . . . . . . . . . . . . . . . 98
Fuses and bulbs . . . . . . . . . . . . . . . . . . . . . . . . . 101
Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Changing bulbs . . . . . . . . . . . . . . . . . . . . . . . . . 103
Change the front bulbs . . . . . . . . . . . . . . . . . . . 105
Changing incandescent rear light bulbs . . . . . . 107
Side turn signals . . . . . . . . . . . . . . . . . . . . . . . . 110 Operation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Controls and displays . . . . . . . . . . . . . . . . . . . . 113
General instrument panel . . . . . . . . . . . . . . . . . 112
Instruments and warning/control lamps . . . . . 114
Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Control lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Introduction to the Easy Connect system* . . . . 120
System settings (CAR)* . . . . . . . . . . . . . . . . . . . 120
Communications and multimedia . . . . . . . . . . . 121
Steering wheel controls* . . . . . . . . . . . . . . . . . . 121
Multimedia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Opening and closing . . . . . . . . . . . . . . . . . . . . . 125
Central locking system . . . . . . . . . . . . . . . . . . . . 125
Anti-theft alarm system* . . . . . . . . . . . . . . . . . . 133
Rear lid (luggage compartment) . . . . . . . . . . . . 135
Controls for the windows . . . . . . . . . . . . . . . . . . 136
Panoramic sliding sunroof* . . . . . . . . . . . . . . . . 138
Lights and visibility . . . . . . . . . . . . . . . . . . . . . . 140
Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Visibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Windscreen wiper and window wiper sys-
tems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148 Mirr
or . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Seats and head restraints . . . . . . . . . . . . . . . . . 152
Adjusting the seats and headrests . . . . . . . . . . 152
Seat functions . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Transport and practical equipment . . . . . . . . . 157
Storage compartments . . . . . . . . . . . . . . . . . . . 157
Storing objects . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Roof carrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Air conditioning . . . . . . . . . . . . . . . . . . . . . . . . . 173
Heating, ventilation and cooling . . . . . . . . . . . . 173
Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Starting and stopping the engine . . . . . . . . . . . 178
Braking and parking . . . . . . . . . . . . . . . . . . . . . 183
Braking and stability systems . . . . . . . . . . . . . . 187
Manual gearbox . . . . . . . . . . . . . . . . . . . . . . . . . 190
5
Page 8 of 332

Table of Contents
Automatic gearbox/DSG automatic gear-
bo x*
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Ad
dress . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Run-in and economical driving . . . . . . . . . . . . . 199
Power management . . . . . . . . . . . . . . . . . . . . . . 201
Engine management and emission control sys-
tem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Driv
ing tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Driver assistance systems . . . . . . . . . . . . . . . . . 205
Start-Stop System* . . . . . . . . . . . . . . . . . . . . . . . 205
Auto Hold Function* . . . . . . . . . . . . . . . . . . . . . . 208
Cruise control system (CCS)* . . . . . . . . . . . . . . . 209
Emergency brake assist system (Front As-
sis
t)* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Adaptive Cruise Control ACC* . . . . . . . . . . . . . . 214
Lane Assist system* . . . . . . . . . . . . . . . . . . . . . . 224
Traffic Jam Assist . . . . . . . . . . . . . . . . . . . . . . . . 227
Emergency Assist . . . . . . . . . . . . . . . . . . . . . . . . 228
SEAT Drive Profile* . . . . . . . . . . . . . . . . . . . . . . . 230
Traffic sign detection system* . . . . . . . . . . . . . . 233
Fatigue detection (break recommendation)* . . 236
Parking aid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Rear Assist “Rear View Camera”* . . . . . . . . . . . 243
Towing bracket device . . . . . . . . . . . . . . . . . . . . 246
Towing bracket device* . . . . . . . . . . . . . . . . . . . 246
Trailer towing . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Advice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Care and maintenance . . . . . . . . . . . . . . . . . . . . 256
Accessories and modifications to the vehi-
cle
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Care and cleaning . . . . . . . . . . . . . . . . . . . . . . . 257
Vehicle exterior care . . . . . . . . . . . . . . . . . . . . . . 257
Caring for the vehicle interior . . . . . . . . . . . . . . 261
Checking and refilling levels . . . . . . . . . . . . . . . 264
Filling the tank . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Engine compartment . . . . . . . . . . . . . . . . . . . . . 270 Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
Cooling system . . . . . . . . . . . . . . . . . . . . . . . . . . 274
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Windscreen washer reservoir . . . . . . . . . . . . . . 276
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Wheels
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Wheels and tyres . . . . . . . . . . . . . . . . . . . . . . . . 279
Tyre monitoring systems . . . . . . . . . . . . . . . . . . 283
Temporary spare wheel . . . . . . . . . . . . . . . . . . . 286
Winter service . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Technical data . . . . . . . . . . . . . . . . . . . . . . . . 289
Technical specifications . . . . . . . . . . . . . . . . . . 289
Important . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
Vehicle identification data . . . . . . . . . . . . . . . . . 289
Fuel consumption data . . . . . . . . . . . . . . . . . . . 290
Trailer mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291
Engine data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 313
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
6