2020 Seat Leon Owner's manual

Self-help
Jump start: description Fig. 49
Diagram of connections for vehicles
without St art
-Stop system. Fig. 50
Diagram of connections for vehicles
with St art

-Stop system. Jump lead terminal connections
Swit

ch off the ignition of both vehicles
››› .
1. Connect one end of the r
ed

jump lead to
the positive + terminal of the vehicle
with the fl at batt
ery A
› ›
› Fig. 49
.
Connect the other end of the red jump
lead to the positive terminal + in the ve-
hicl e pr

oviding assistance B .
In v ehicl
es without a Start-Stop system:
connect one end of the black jump lead
to the negative terminal – of the vehicle
pr o

viding the current B
› ›
› Fig. 49
.
In vehicles with a Start-stop system:
connect one end of the black jump lead X to a suitable ground terminal, to a sol-
id piece of met al in the engine bl

ock, or
to the engine block itself ››› Fig. 50
.
Connect the other end of the black jump
lead X to a solid metal component bol-
t ed t

o the engine 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 osition the l

eads 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.
2.
3.
4a.
4b.
5.
6.
7.
Start the engine of the vehicle with the
flat batt

ery 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.
Make sure the battery clamps have sufficient
metal-to-metal contact with the battery ter-
minals.
If the engine fails to start after about 10 sec-
onds, switch off the starter and try again after
about 1 minute. WARNING

Emergencies
(12V) and approximately the same capaci-
t
y (see imprint on batt
ery). Failure to com-
ply could result in an explosion.

Self-help

Emergencies

Self-help
deactivated. If the vehicle has no power
supply or ther
e is an el
ectric system fault,
the engine must be jump-started
››› page 54 to deactivate the electronic
parking brake and the electronic lock of the
steering column. Front towline anchorage
Fig. 51
On the right side of the front bumper:
r emo

ve the cover. Fig. 52
Right side of the front bumper: towline
anchor age in position. The housing of the removable towline an-
chor
age is on the right side of the fr

ont bump-
er underneath a cover ››› Fig. 51
.
The towing eye should always be kept in the
vehicle.
Bear in mind the instructions for towing
››› page 57.
Fitting the towline anchorage

Emergencies
Rear towline anchorage Fig. 53
On the right side of the rear bumper:
r emo
ve the cover. Fig. 54
On the right side of the rear bumper:
t o

wline anchorage in position. The housing of the screw towing eye is on the
right side of the r
ear bumper behind a lid
›

›› Fig. 53.
Vehicles equipped as standard with a towing
bracket do not have any housing for the screw towing eye behind the lid. In this case,
the to

w hitch needs to be extracted or instal-
led and used for towing ››› page 298
,
››› .
Bear in mind the instructions f or t

owing
››› page 57.
Assemble the rear towing eye (cars with-
out a factory-equipped towing bracket)

Fuses and bulbs
Fuses and bulbs
Fuses Intr oduction In general, a fuse can be assigned to various
el
ectrical components. Lik
ewise, an electrical
component can be protected by several
fuses.
Only replace fuses when the cause of the
problem has been solved. If a newly inserted
fuse blows after a short time, you must have
the electrical system checked by a special-
ised workshop as soon as possible. WARNING
The high voltages in the electrical system
can giv e serious el

ectrical shocks, causing
burns and even death!

Emergencies
Colour
Amp rating
White or transparent 25
Green 30
Orange 40CAUTION