2012-2020 Seat Leon 4 Door Practical tips -> Tyre monitoring system User Manual
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Practical tips -> Tyre monitoring system for Your Seat Leon 4 Door Third Generation (2012-2020)

Practical tips  
and vehicle safety could be severely im-  
paired  
Wheel bolts  
ate the vehicle's registration for use on  
public roads.  
.
›››  
The wheel bolts are matched to the rims.  
When installing different wheels (for instance  
alloy wheels or wheels with winter tyres) it is  
important to use the correct wheel bolts with  
the right length and correctly shaped bolt  
heads. This ensures that wheels are fitted se-  
curely and that the brake system functions  
correctly.  
If you use tyres that are approved by SEAT  
you can be sure that the actual tyre di-  
mensions will be correct for your vehicle. If  
you decide to fit a different type of tyre,  
you must obtain the appropriate manufac-  
turer's certificate from the tyre retailer to  
confirm that the tyres are suitable for your  
vehicle. Keep this certificate in a safe  
place.  
Avoid running the vehicle on tyres that  
are more than 6 years old. If you have no  
alternative, you should drive slowly and  
with extra care at all times.  
If wheel trims are fitted after the car is  
purchased, ensure that there is an ade-  
quate flow of air for cooling the brake sys-  
tem.  
The wheel bolts must be clean and turn easi-  
ly.  
For the sake of the environment  
Old tyres must be disposed of according to  
the laws in the country concerned.  
Your SEAT Official Service will be able to  
advise you on which tyres may be fitted to  
your vehicle.  
A special adapter is required to turn the anti-  
theft wheel bolts*  
page 55.  
›››  
It is best to have all servicing of wheels and  
tyres performed by a specialised workshop.  
They are familiar with the procedure and  
have the necessary special tools and spare  
parts as well as the proper facilities for dis-  
posing of the old tyres respecting the envi-  
ronment.  
Note  
A SEAT Service Centre should be consul-  
Tyre monitoring system  
Introduction  
ted to find out whether wheels or tyres of  
different sizes to those originally fitted by  
SEAT can be fitted, and to find out about  
the combinations allowed between the  
front axle (axle 1) and the rear axle (axle 2).  
WARNING  
WARNING  
Unsuitable handling of the wheels and  
tyres may lead to sudden tyre pressure los-  
ses, to tread separation or even to a blow-  
out.  
Never mount used tyres if you are not  
sure of their “previous history”.  
It is very important to ensure that the  
tyres you have chosen have adequate  
clearance. When selecting replacement  
tyres, do not rely entirely on the nominal  
tyre size marked on the tyre, since the ef-  
fective tyre size can differ significantly de-  
pending on the manufacturer. Inadequate  
tyre clearance can result in damage to the  
tyres or the vehicle, causing a serious safe-  
ty risk. Risk of accident! It may also invalid-  
For technical reasons, it is not generally  
possible to use the wheels from other vehi-  
cles. In some cases, this may also be true  
for the same model of wheel.  
Check tyre pressures regularly and en-  
sure they are maintained at the pressures  
indicated. Tyre pressure that is too low  
could cause overheating, resulting in tread  
detachment or even burst tyres.  
336  
Wheels  
Tyre control lamp  
Tyre pressure should be that indicated on  
If the warning lamp lights up, stop im-  
mediately and check the tyres.  
the label when the tyres are cold at all  
times page 357.  
›››  
It lights up  
If the tyres are inflated at different pres-  
Regularly check the cold inflation pres-  
sures or if a tyre pressure is too low, this will  
increase tyre wear, negatively affecting ve-  
hicle stability and increasing braking dis-  
tances.  
The tyre pressure in one or more wheels has clearly  
gone down from the tyre pressure set by the driver or  
the tyre has structural damage.  
sure of the tyres. If necessary, change the  
tyre pressure of the vehicle tyres while they  
are cold.  
Additionally, an audible warning can be heard and a  
text message is displayed on the instrument panel  
display.  
Regularly check your tyres for damage  
If tyres are inflated at different pressures  
and wear.  
or a tyre pressure is too low, a tyre may be  
damaged and burst resulting in a loss of  
control of the vehicle.  
Stop the vehicle! Reduce speed immediately!  
Stop the vehicle safely as soon as possible. Avoid  
sudden manoeuvres and braking! Check all tyres  
and pressures. Replace any damaged tyres.  
Never exceed the maximum permitted  
speed or loads specified for the type of  
tyre fitted on your vehicle.  
The driver is responsible for ensuring that  
all of the vehicle tyres are correctly infla-  
ted to the right pressure. The recommen-  
ded tyre pressure is indicated on the label  
For the sake of the environment  
Flashes  
Under-inflated tyres lead to increased fuel  
consumption and tyre wear.  
page 357.  
›››  
Fault in the system.  
The control lamp flashes for approximately one mi-  
nute and then lights up permanently.  
The tyre monitoring system can only op-  
erate correctly if all of the tyres are infla-  
ted to the correct pressure when cold.  
If tyre pressure is correct, switch the ignition off and  
on again. If the control lamp remains lit up, the tyre  
monitoring indicator can be calibrated. Have the sys-  
tem checked by a specialised workshop.  
Note  
Driving with tyres at the wrong pressure  
Driving for the first time with new tyres at  
can damage them and result in an acci-  
dent. Ensure that the tyre pressures of all  
the tyres correspond to the vehicle load.  
a high speed can cause them to slightly ex-  
pand, which could then produce an air  
pressure warning.  
Several control and warning lamps light up  
for a few seconds when the ignition is switch-  
ed on while the function is verified. They will  
switch off after a few seconds.  
Before starting a journey, always inflate  
Only replace used tyres with those au-  
tyres to the correct pressure.  
thorised by SEAT for the corresponding  
type vehicle.  
Tyres with insufficient pressure are sub-  
jected to more flexing. Due to this, the tyre  
could become excessively hot, causing  
tread separation and also tyre blow-out.  
Do not only rely on the tyre monitoring  
WARNING  
system. Regularly check your tyres to en-  
sure that the tyre pressure is correct and  
that the tyres are not damaged due to  
puncture, cuts, tears and impacts/dents.  
Remove objects from the tyres only when  
they have not pierced the tyres.  
When the tyres are inflated at different  
pressures or at a pressure that is too low  
then a tyre may be damaged resulting in a  
loss of control of the vehicle and a serious  
or fatal accident.  
With an overloaded vehicle at high  
speed, the tyres can overheat and burst re-  
sulting in a loss of vehicle control.  
»
337  
Practical tips  
el through a warning lamp and a warning to  
Operation  
Tyre pressures which are too high or too  
the driver Fig. 315. When only one specific  
›››  
low reduce the useful life of the tyre, affect-  
ing vehicle performance.  
tyre is affected, its position within the vehicle  
will be indicated.  
If a tyre has not been punctured and it  
does not have to be changed immediately,  
drive to the nearest specialised workshop  
at a moderate speed and have the tyre  
checked and inflated to the correct pres-  
sure.  
Loss of pressure: Check left  
tyre pressure!  
Wheel tread change  
The wheel tread changes when:  
WARNING  
Tyre pressure is manually changed  
Observe the safety warnings  
in Con-  
›››  
Tyre pressure is insufficient  
Tyre structure is damaged  
Fig. 315 Instrument panel: warning of loss of  
trol and warning lamps on page 123.  
tyre pressure.  
The vehicle is unbalanced because of a  
Note  
load  
If excessively low tyre pressure is detec-  
The wheels on an axle are subject to a  
ted with the ignition on, an audible warning  
will sound. In the event that there is a fault  
in the system, an audible warning will  
sound.  
heavier load (e.g. with a heavy load).  
The vehicle is fitted with snow chains  
The temporary spare wheel is fitted  
The wheel on one axle is changed  
Driving on dirt tracks for a long period of  
time or driving in a sporty style can tempo-  
rarily deactivate the TPMS. The control  
lamp shows a fault, but disappears when  
road conditions or the driving style change.  
There may be a delay in the reaction of the  
tyre monitoring indicator or it may not indi-  
cate anything under certain circumstances  
(e.g. sporty driving, snow-covered or un-  
paved roads, or when driving with snow  
chains).  
Fig. 316 Glove compartment: tyre control  
switch.  
The tyre monitor indicator compares wheel  
revolutions and, with this information, the  
tread of each wheel using the ABS sensors. If  
the rolling circumference of one or more  
wheels has changed, the tyre monitoring indi-  
cator will indicate this on the instrument pan-  
Calibrating the tyre monitoring indicator  
After changing the tyre pressure or replacing  
one or more wheels, the tyre monitoring  
338  

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