2021-2026 Seat Leon 4 Door Emergencies -> Tyre repairs User Manual
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Emergencies -> Tyre repairs for Your Seat Leon 4 Door Fourth Generation (2021-2026)

Self-help  
WARNING  
the risk of involuntary movement of the ve-  
hicle .  
Tyre repairs  
Using the tyre mobility system can be dan-  
gerous, especially when filling the tyre at  
the roadside. Please observe the following  
rules to minimise the risk of injury:  
TMS (Tyre Mobility System)  
WARNING  
The Tyre Mobility System will reliably seal  
punctures caused by the penetration of a for-  
eign body of up to about 4 mm in diameter.  
Do not remove foreign objects, e.g. screws  
or nails, from the tyre.  
A tyre filled with sealant does not have the  
same performance properties as a conven-  
tional tyre.  
Stop the vehicle safely as soon as possi-  
ble. Park it at a safe distance from sur-  
rounding traffic to fill the tyre.  
Never drive faster than 80 km/h  
Ensure the ground on which you park is  
(50 mph).  
flat and solid.  
After inserting the sealant residue in the tyre,  
you must again check the tyre pressure  
about 10 minutes after starting the engine.  
Avoid heavy acceleration, hard braking  
All passengers and particularly children  
and fast cornering.  
must keep a safe distance from the work  
area.  
Drive for only 10 minutes at a maximum  
speed of 80 km/h (50 mph) and then check  
the tyre.  
You should only use the tyre mobility set if the  
vehicle is parked in a safe place, you are fa-  
miliar with the procedure and you have the  
necessary tyre mobility set! Otherwise, you  
should seek professional assistance.  
Turn on the hazard warning lights to warn  
other road users.  
Use the tyre mobility system only if you  
For the sake of the environment  
are familiar with the necessary procedures.  
Otherwise, you should seek professional  
assistance.  
Dispose of used or expired sealant observ-  
ing any legal requirements.  
Do not use the tyre sealant in the following  
cases:  
The tyre mobility set is intended for tem-  
porary emergency use only until you can  
reach the nearest specialised workshop.  
Note  
If the wheel rim has been damaged.  
In outside temperatures below -20°C  
A new bottle of sealant can be purchased  
at SEAT dealerships.  
Replace the repaired tyre with the tyre  
(-4°F).  
mobility set as soon as possible.  
In the event of cuts or perforations in the  
tyre greater than 4 mm.  
The sealant is a health hazard and must  
Note  
be cleaned immediately if it comes into  
contact with the skin.  
Take into account the separate instruction  
manual of the tyre mobility system’s manu-  
facturer.  
If you have been driving with very low pres-  
sure or a completely flat tyre.  
Always keep the tyre mobility set out of  
the reach of small children.  
If the sealant bottle has passed its use by  
date.  
Always stop the engine, apply the elec-  
tronic parking brake and put it in gear when  
using a manual gearbox, in order to reduce  
45  
Emergencies  
6
7
Air bleed screw (it can also be integrated  
in the inflator tube).  
With the bottle upside down, empty all of  
Anti-puncture kit contents  
the contents into the tyre.  
Warning provided by tyre pressure moni-  
toring system (it can also be integrated in  
the inflator tube).  
Remove the bottle from the valve.  
Place the insert back into the tyre valve us-  
1
ing the tool Fig. 39  
.
›››  
8
9
Tube for inflating tyres  
12 volt connector  
Bottle of sealant  
Spare tyre valve  
Inflating the tyre  
Screw the compressor tyre inflator tube  
10  
11  
8
Fig. 39  
into the tyre valve.  
›››  
Check that the air bleed screw is closed  
1
The valve insert remover  
has a gap at  
6
Fig. 39  
.
›››  
the lower end for a valve insert. The valve in-  
sert can only be screwed or unscrewed in this  
way. This also applies to its replacement part  
Start the engine and leave it running.  
9
Insert the connector Fig. 39  
into the  
›››  
›››  
Fig. 39 Standard representation: anti-punc-  
vehicle's 12-volt socket page 153.  
11  
.
ture kit contents.  
Turn the air compressor on with the  
5
ON/OFF switch Fig. 39  
.
›››  
The anti-puncture kit is located underneath  
the floor covering in the luggage compart-  
ment. It includes the following components  
Sealing and inflating a tyre  
Keep the air compressor running until it rea-  
ches 2.0 to 2.5 bar (29-36 psi/200-250 kPa).  
A maximum of 8 minutes.  
Sealing the tyre  
Fig. 39:  
›››  
Unscrew the tyre valve cap and insert. Use  
Disconnect the air compressor.  
1
Valve insert remover  
1
the Fig. 39  
Place it on a clean surface.  
tool to remove the insert.  
›››  
If it does not reach the pressure indicated,  
unscrew the tyre inflator tube from the valve.  
2
A sticker to be adhered to the instrument  
cluster, within the driver's visual field, to  
remind that the maximum advisable  
speed “max. 80 km/h” or “max. 50 mph”  
Shake the tyre sealant bottle vigorously  
Move the vehicle 10m so that the sealant is  
distributed throughout the tyre.  
10  
Fig. 39  
.
›››  
3
Screw the inflator tube Fig. 39  
into  
›››  
Screw the compressor tyre inflator into the  
valve.  
3
4
Filler tube with cap  
the sealant bottle. The bottle's seal will break  
automatically.  
Air compressor (depending on the ver-  
sion, the model may vary).  
Repeat the inflation process.  
Remove the lid from the filling tube  
If the indicated pressure still cannot be  
5
ON/OFF switch  
3
Fig. 39  
and screw the open end of the  
›››  
reached, the tyre is too badly damaged. Stop  
tube into the tyre valve.  
46  

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