Get Practical tips -> Refuelling Guide for Seat Leon 4 Door Fourth Generation (2021-2026)

Checking and refilling levels

●

After a few seconds the fuel tank flap will un-

lock and remain unlocked for a few minutes. If

you have not refuelled after this time, you

must press the  button again before refuel-

ling.

Hybrid vehicles: Use the  button on the

driver’s door to release the tank flap.

Practical tips

●

Open the fuel tank flap by pressing on the

retainer zone.

Checking and refilling lev-

els

●

Unscrew the cap by turning it to the left.

Avoid touching the fuel tank flap lock button

Place it in the space on the hinge of the

Fig. 221 (arrow). The system will interpret

›››

open flap Fig. 221.

›››

that you have finished and cannot continue

refuelling. Press the  button on the driver’s

door again to continue.

Refuelling

●

Start refuelling. The tank is full as soon as

the pump’s automatic nozzle cuts off the fuel

supply. Do not try to put in more fuel after the

nozzle cuts out, as this will fill the expansion

chamber in the fuel tank.

Purging the fuel tank

3 Valid for: hybrid vehicles.

Refuelling

●

Unscrew the cap by turning it to the right as

far as it will go.

●

Close the lid.

The correct fuel grade for your vehicle is giv-

en on a sticker on the inside of the fuel tank

flap. Further notes on fuel can be found at

page 320.

›››

The capacity of your vehicle's fuel tank is giv-

en in page 371.

›››

Fig. 220 Driver's door: tank flap release.

Vehicles with natural gas engines and hy-

brids

Fig. 221 Fuel tank flap with tank cap attached.

Before refuelling the fuel system must be

depressurised

in Refuelling on

›››

The fuel tank flap is on the rear right of the

vehicle.

page 318. To do this, press the  button on

the driver’s door.

Every 6 months it is necessary to run on pet-

rol until the control lamp  switches off, and

then the tank must be refilled. This is neces-

sary to ensure that the system works proper-

ly, as well as the fuel quality required for driv-

ing with petrol.

The flap that covers the tank cap is unlocked

and locked automatically using the central

locking.

An audible sound will be played and a warn-

ing will be displayed on the instrument cluster

display.

317

Practical tips

WARNING

tact with the canister during filling. This

helps prevent an electrostatic charge

building up.

essary, request assistance from special-

ised personnel.

Fuel is highly flammable and can cause se-

rious burns and other injuries.

–

Never spill fuel in the vehicle or in the

luggage compartment. Fuel vapour is

explosive. Risk of fatal accident!

Note

●

When refuelling, turn off the engine and

turn off the ignition for safety reasons.

Diesel vehicles are fitted with a protective

device that prevents the insertion of the

wrong fuel hose¹⁾. It is only possible to re-

fuel with Diesel nozzles.

●

The fuel system of PHEV models is pres-

surized to prevent petrol vapours from es-

caping into the atmosphere.

CAUTION

●

If any fuel is spilt onto the vehicle, it

If the pump nozzle is worn, damaged, or if

Do not smoke when filling the fuel tank or

should be removed immediately. It could

otherwise damage the paintwork.

it is very small, it is possible that it will not

be able to open the protective device. Be-

fore trying to insert the pump nozzle by

turning it, try a different pump or request

specialist help.

a canister. Naked flames are forbidden in

the vicinity due to the risk of explosion.

●

Never run the tank completely dry. The

Observe legislation governing the use,

catalytic converter can be damaged.

storage and carrying of a spare fuel canis-

ter in the vehicle.

●

When filling the fuel tank after having run

●

If you fill the tank from a reserve fuel can-

●

it completely dry on a vehicle with a diesel

engine, the ignition must be switched on for

at least 30 seconds before starting the en-

gine. When you then start the engine it may

take longer than normal (up to one minute)

to start firing.

For safety reasons we do not recommend

ister, the protective device will not open.

One way to resolve this is to pour the fuel in

very slowly.

carrying a spare fuel canister in the vehi-

cle. In an accident the canister could be

damaged and could leak.

●

If, in exceptional circumstances, you

have to carry a spare fuel canister, please

observe the following points:

For the sake of the environment

–

Never fill fuel into the spare fuel canis-

ter if it is inside or on top of the vehicle.

This could cause an explosion. Always

place the canister on the ground to fill

it.

Do not overfill the fuel tank, it may cause

the fuel to overflow if it becomes warm.

Note

–

Insert the filling nozzle as far as possi-

ble into the spare fuel canister.

There is no emergency mechanism for the

manual release of the fuel tank flap. If nec-

If the spare fuel canister is made of

metal, the filling nozzle must be in con-

Depending on country

318

Checking and refilling levels

●

If you wish to finish refuelling in advance,

Refuelling natural gas

an explosion of the natural gas tanks and

cause severe injuries! .

press the button on the pump to stop the flow.

If the ambient temperature is very high, the

natural gas pump’s overheating protection

disconnects it automatically.

WARNING

If the vehicle underbody touches the

ground or in the event of a rear collision,

there could be damage to the natural gas

tanks. If damaged, natural gas tanks are

full of fuel and can explode, causing seri-

ous or fatal injuries.

Closing the fuel tank cap

●

Check that the mouth retainer

of the gas

filler is not trapped with the filler. If this hap-

pens, replace it in the filler mouth.

●

Even if you don't notice the smell of gas,

●

Insert the plug in the filler mouth.

take the vehicle to a specialised workshop

immediately and have the natural gas sys-

tem checked. Do not refuel natural gas

again until the natural gas system has been

inspected.

Fig. 222 Tank cap open: gas filler mouth

Close the tank flap. Make sure you hear it

filler mouth retainer

click into place.

Before refuelling, the engine and the ignition,

WARNING

mobile telephone and heating must be

Natural gas is a highly explosive, easily

flammable substance. Incorrect handling

of the natural gas can cause accidents se-

rious burns and other injuries.

switched off separately

›››

Note

Read the instructions on how to use the natu-

ral gas pump carefully.

●

The filling nozzles of natural gas pumps

can differ in the way they are operated. Ask

a qualified employee at the petrol station

to do the refuelling if you do not know how.

●

Before refuelling with natural gas, en-

Refuelling

gage the filling mouth correctly. If you can

smell gas, stop refuelling immediately.

The natural gas filler mouth is behind the fuel

tank cap, next to the petrol filler

●

Noises heard when refuelling are normal

●

Read and take note

in Natural gas

›››

and do not indicate damage in the system.

mouth Fig. 222.

›››

on page 322.

●

The vehicle natural gas system is pre-

pared both for refuelling with a small com-

pressor (slow refuel) and a large compres-

sor (fast refuel) at natural gas service sta-

tions.

●

Remove the plug from the gas filler mouth

WARNING

The vehicle is not suitable for liquefied nat-

ural gas (LNG) or liquefied petrol gas (LPG),

so LNG or LPG should not be used under

any circumstances. Liquid gas can cause

●

Connect the pump filling nozzle to the gas

filler mouth.

●

The fuel tank will be full when the pump

compressor automatically cuts the supply.

319

Practical tips -> Refuelling for Your Seat Leon 4 Door Fourth Generation (2021-2026)

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