Seat Leon 5D 2008 Owner's manual
Manufacturer: SEAT, Model Year: 2008, Model line: Leon 5D, Model: Seat Leon 5D 2008Pages: 293, PDF Size: 8.67 MB
Page 221 of 293

Checking and refilling levels
220•
If the vehicle is left standing in cold conditions for a long period, protect 
the battery from frost. If it “freezes” it will be damaged.
Checking the electrolyte level
The electrolyte level should be checked regularly in high-
mileage vehicles, in hot countries and in older batteries.– Open the bonnet and open the battery cover at the front  ⇒ in 
“Safety instructions on working in the engine compartment” on 
page 205  ⇒ in “Warnings on handling the battery” on 
page 219.
– Check the colour display in the "magic eye" on the top of the  battery.
– If there are air bubbles in the window, tap the window gently until  they disperse.The position of the battery is shown in the corresponding engine compart-
ment diagram  ⇒page 263.
The round window (“magic eye”) on the top of the battery changes colour, 
depending on the charge level and electrolyte level of the battery.
If the colour in the window is  colourless or bright yellow, the electrolyte level 
of the battery is too low. Have the battery checked by a qualified workshop.
The colours green and black are used  by the workshops for diagnostic 
purposes.
Charging and changing the vehicle battery
The battery is maintenance-free and is checked during the 
inspection service. All work on  the vehicle battery requires 
specialist knowledge.If you often drive short distances or if the vehicle is not driven for long 
periods, the battery should be checked by a qualified workshop between the 
scheduled services.
If the battery has discharged and you have problems starting the vehicle, the 
battery might be damaged. If this happens, we recommend you have the 
vehicle battery checked by an Authorised Service Centre where it will be re-
charged or replaced.
Charging the battery
The vehicle battery should be charged by a qualified workshop only, as 
batteries using special technology have been installed and they must be 
charged in a controlled environment.
Replacing a vehicle battery
The battery has been developed to suit the conditions of its location and has 
special safety features.
Genuine SEAT batteries fulfil the maintenance, performance and safety spec-
ifications of your vehicle.
WARNING
•
We recommend you use only maintenance-free or cycle free leak-proof 
batteries which comply with the standards T 825 06 and VW 7 50 73. This 
standard applies as of 2001.
•
Before starting any work on the batteries, you must read and observe 
the warnings  ⇒ in “Warnings on handling the battery” on page 219.
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Checking and refilling levels221
Safety First
Operating instructions
Practical tips
Te c h n i c a l  D a t a
For the sake of the environment
Batteries contain toxic substances such as sulphuric acid and lead. They 
must be disposed of appropriately and must not be disposed of with ordinary 
household waste.
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Page 223 of 293

Wheels and tyres
222Wheels and tyresWheelsGeneral notesAvoiding damage
– If you have to drive over a kerb or similar obstacle, drive very 
slowly and as near as possible at a right angle to the kerb.
– Keep grease, oil and fuel off the tyres.
– Inspect the tyres regularly for damage (cuts, cracks or blisters,  etc.). Remove any foreign objects embedded in the treads.
Storing tyres
– Mark tyres when you remove them  to indicate the direction of 
rotation. This ensures you will be able to install them correctly 
when you replace them.
– When removed, the wheels and/or tyres should be stored in a  cool, dry and preferably dark location.
– Store tyres in a vertical position if they are not fitted on wheel  rims.New tyres
New tyres have to be run in  ⇒page 182.
The tread depth of new tyres may vary, according to the type and make of tyre 
and the tread pattern. Concealed damage
Damage to tyres and rims is often not re
adily visible. If you notice unusual 
vibrations or the car pulling to one side, this may indicate that one of the tyres 
is damaged. The tyres should be checked immediately by an Authorised 
Service Centre.
Tyres with directional tread pattern
An arrow on the tyre sidewall indicates  the direction of rotation on tyres with 
directional tread. Always observe the di rection of rotation indicated when 
fitting the wheel. This guarantees optimum grip and helps to avoid aqua-
planing, excessive noise and wear.
WARNING
•
New tyres do not have maximum grip in the first 500 km. Drive particu-
larly carefully to avoid risk of accident.
•
Never drive with damaged tyres. This may cause an accident.
•
If you notice unusual vibration or if the vehicle pulls to one side when 
driving, stop the vehicle immediately and check the tyres for damage.
Checking tyre pressure
The correct tyre pressure can be seen on the sticker on the 
inside of the tank flap.1. Read the required tyre inflatio n pressure from the sticker. The 
values refer to Summer tyres. For Winter tyres, you must add 0.2 
bar to the values given on the sticker.
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Wheels and tyres223
Safety First
Operating instructions
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Te c h n i c a l  D a t a
2.  The tyre pressures should only be checked when the tyres are 
cold. The slightly raised pressures of warm tyres must not be 
reduced.
3.  Adjust the tyre pressure to the load you are carrying.Tyre pressure
The correct tyre pressure is especially important at high speeds. The pressure 
should therefore be checked at least once a month and before starting a 
journey.
The sticker with the tyre pressure values can be found on the inside of the 
tank flap. The tyre pressure values given are for cold tyres. The slightly raised 
pressures of warm tyres must not be reduced  ⇒.
WARNING
•
Check the tyre pressure at least once  per month. Checking tyre pressure 
value is very important. If the tyre pre ssure is too high or too low, there is 
an increased danger of accidents - particularly at high speeds.
•
A tyre can easily burst if the pressure is too low, causing an accident!
•
At continuously high speeds, a tyre with insufficient pressure flexes 
more. In this way it becomes too hot, and this can cause tread separation 
and tyre blow-out. Always observe the recommended tyre pressures.
•
If the tyre pressure is too low or too high, the tyres will wear prema-
turely and the vehicle will not handle well. Risk of accident!For the sake of the environment
Under-inflated tyres will increase fuel consumption.
Tyre pressure monitoring*
The tyre pressure monitoring system constantly checks the 
pressure of the tyres.The system uses the speed sensors of the ABS wheels. It operates by 
analysing the speed and frequency spectrum of each wheel.
For optimum performance, use genuine SEAT tyres. In addition, check and 
adjust tyre pressures regularly.
Whenever the tyre pressures are changed or one or more tyres are changed, 
the system should be Reset by pressing the SET switch on the central console.
The system warns the driver in the event of a loss of pressure by means of 
symbols and messages in the instrument cluster display. The system uses 
ESP  ⇒page 177.
Note that tyre pressure also depends on tyre temperature. Tyre pressure 
increases about 0.1 bar for each 10°C in tyre temperature increase. The tyre 
heats up while the vehicle is being driven and the tyre pressure will rise 
accordingly. For this reason, you should only adjust the tyre pressures when 
they are cold (i.e. approximately at ambient temperature).
To ensure that the tyre pressure monitoring system works reliably, you should 
check and, if necessary, adjust the tyre pressures at regular intervals and 
store the correct pressures (reference values) in the system.
A tyre pressure information label is attached to the inside of the fuel tank flap.
WARNING
•
Never adjust tyre pressure when the tyres are hot. This may damage or 
even burst the tyres. Risk of accident!
•
An insufficiently inflated tyre flexes a lot more at high speeds and 
causes significant heating of the ty re. Under these conditions, the tyre 
bead may be released or the tyre may burst. Risk of accident!
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Wheels and tyres
224
For the sake of the environmentUnder-inflated tyres lead to increased fuel consumption and tyre wear.Significant tyre pressure lossThe tyre symbol 
 is displayed and indicates that the tyre pressure for a least 
one tyre is insufficient.
– Stop the vehicle.
– Switch the engine off.
– Check the tyre(s).
– Change the wheel if necessary.
Tyre service life 
The service life of tyres is dependent on tyre pressure, driving 
style and fitting.
Fig. 147  Tyre tread wear 
indicatorsFig. 148  Diagram for 
changing wheels
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Wheels and tyres225
Safety First
Operating instructions
Practical tips
Te c h n i c a l  D a t a
Wear indicators
The original tyres on your vehicle have 1.6 mm high “tread wear indicators” 
⇒
page 224, fig. 147 , running across the tread. Depending on the make, 
there will be six to eight of them evenly spaced around the tyre. Markings on 
the tyre sidewall (for instance the letters “TWI” or other symbols) indicate the 
positions of the tread wear indicators. The minimum tread depth required by 
law is 1.6 mm (measured in the tread grooves next to the tread wear indica-
tors). Worn tyres must be replaced. Different figures may apply in export 
countries  ⇒.
Tyre pressure
Incorrect tyre pressure causes premature wear and could cause tyre blow-out. 
For this reason, the tyre pressure should be checked at least once per month 
⇒ page 222.
Driving style
Fast cornering, heavy acceleration and hard braking all increase tyre wear.
Changing wheels around
If the front tyres are worn considerably more than the rear ones it is advisable 
to change them around as shown  ⇒page 224, fig. 148 . All the tyres will then 
last for about the same time.
Wheel balance
The wheels on new vehicles are balanced. However, various factors encoun-
tered in normal driving can cause them to become unbalanced, which results 
in steering vibration.
Unbalanced wheels should be rebalanced, as they otherwise cause excessive 
wear on steering, suspension and tyres. A wheel must also be rebalanced 
when a new tyre is fitted.
Incorrect wheel alignment
Incorrect wheel alignment causes excessive tyre wear, impairing the safety of 
the vehicle. If tyres show excessive wear, you should have the wheel align-
ment checked by an Authorised Service Centre.
WARNING
There is a serious danger of accidents if a tyre bursts during driving!•
The tyres must be replaced at the latest when the tread is worn down to 
the tread wear indicators. Failure to do so could result in an accident. Worn 
tyres do not grip well at high speeds on wet roads. There is also a greater 
risk of “aquaplaning” 
•
At continuously high speeds, a tyre with insufficient pressure flexes 
more. This causes it to overheat. This  can cause tread separation and tyre 
blow-out. Risk of accident. Always observe the recommended tyre pres-
sures.
•
If tyres show excessive wear, you should have the running gear checked 
by an Authorised Service Centre.
•
Keep chemicals such as oil, fuel and brake fluid away from tyres.
•
Damaged wheels and tyres must be replaced immediately!For the sake of the environment
Under-inflated tyres will increase fuel consumption.Anti-puncture tyres
Anti-puncture tyres allow you to continue driving even with a 
punctured tyre, in the majority of cases.Vehicles equipped with anti-puncture
22)
 tyres from the factory indi-
cate the loss of tyre pressure on the instrument panel.
22)Depending upon version and country.
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Wheels and tyres
226
Driving with anti-puncture tyres (emergency gear)
– Leave the ESP/TCS (electronic stabilisation programme) switched on, or switch on  ⇒page 176.
– Continue driving carefully and slowly (80 km/h maximum).
– Avoid sudden manoeuvres and sharp turns.
– Avoid driving over obstacles (for example kerbs) or potholes.
– Look out for the ESP/TCS intervening often, smoke coming from  the tyres or the smell of rubber,  the vehicle vibrating or a clat-
tering noise. If any of these occur, stop the vehicle.The anti-puncture tyres have a tag on the side of the tyre, with the description: 
“DSST”, “Eufonia”, “RFT”, “ROF”, “RSC”, “SSR” or “ZP”.
The sides of this type of tyre are reinforced. When the tyres lose air they are 
supported on the sides (emergency driving).
The loss of pressure in the tyre is shown on the instrument panel. You can 
then drive a maximum of 80 km and if the circumstances are favourable (for 
example, low load), even more.
The damaged tyre should be changed as soon as possible. The rim should be 
checked in a specialist workshop to detect possible damage and replace it if 
necessary. We recommend you contact Technical Service. If more than one 
tyre is being used under emergency co nditions, this reduces the distance 
which can be travelled.
Starting driving in emergency conditions
When the loss in tyre pressure is displayed on the instrument panel, this 
implies that at least one tyre is being driven in emergency conditions  ⇒.
End of emergency operation
Do not drive on if:
•
smoke is coming from one of the tyres,
•
there is a smell of rubber,
•
the vehicle vibrates,
•
there is a rattling noise.
When is it no longer possible to co ntinue driving even using anti-puncture 
tyres?
•
If one of the tyres has been severely damaged in an accident, etc. If a tyre 
has been badly damaged there is a risk that parts of the tread can be thrown 
off and cause damage to the fuel lines, brake pipes or fuel filler.
•
It is also advisable to stop driving if severe vibrations occur, or if the wheel 
starts overheating and gives off smoke.
WARNING
When driving in emergency conditions,  the driving quality of the vehicle is 
considerably impaired.•
The maximum permitted speed of 80  km/h is subject to road and 
weather conditions. Please observe legal requirements when doing so.
•
Avoid sharp turns and rapid manoeuvres, and brake earlier than usual.
•
Avoid driving over obstacles (for example kerbs) or potholes.
•
If one or more tyres is being driven in emergency conditions, the driving 
quality of the vehicle is impaired and there is a risk of accident.Note
•
The anti-puncture tyres do not “deflate” on losing pressure because they 
are supported on the reinforced sides. Th erefore defects in the tyre can not be 
detected with a visual inspection.
•
Snow chains must not be used on front tyres used in emergency 
conditions.
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Wheels and tyres227
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Operating instructions
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Te c h n i c a l  D a t a
New tyres and wheels
New tyres and wheels have to be run-in.The tyres and wheel rims are an essential part of the vehicle's design. The 
tyres and rims approved by SEAT are specially matched to the characteristics 
of the vehicle and make a major contribution to good road holding and safe 
handling ⇒.
Tyres should be replaced at least in pairs and not individually (i.e. both front 
tyres or both rear tyres together). A knowledge of tyre designations makes it 
easier to choose the correct tyres. Radial tyres have the tyre designations 
marked on the sidewall, for example: 195/65 R15 91T
This contains the following information:
195 Tyre width in mm
65 Height/width ratio in %
R Tyre construction:  Radial
15 Rim diameter in inches
91 Load rating code
T Speed rating
The tyres could also have  the following information:•
A direction of rotation symbol
•
“Reinforced” denotes heavy-duty tyres.
The manufacturing date is also indicated on the tyre sidewall (possibly only 
on the inner side of the wheel).
“DOT... 1103...” means, for example, that the tyre was produced in the 11th 
week of 2003.
We recommend that work on tyres and wheels is carried out by an Authorised 
Service Centre. They are familiar with the procedure and have the necessary  special tools and spare parts as well as the proper facilities for disposing of 
the old tyres.
Any Authorised Service Centre has full information on the technical require-
ments when installing or changing tyres, wheels or wheel trims.
WARNING
•
We recommend that you use only wh
eels and tyres which have been 
approved by SEAT for your model. Failure to do so could impair vehicle 
handling. Risk of accident.
•
Avoid running the vehicle on tyres th at are more than six years old. If 
you have no alternative, you should drive slowly and with extra care at all 
times.
•
Never use old tyres or those with an unknown “history of use”.
•
If wheel trims are retrofitted, you must ensure that the flow of air to the 
brakes is not restricted. This could cause them to overheat.
•
All four wheels must be fitted with radial tyres of the same type, size 
(rolling circumference) and the same tread pattern.For the sake of the environment
Old tyres must be disposed of accordi ng to the laws in the country concerned.
Note
•
For technical reasons, it is not generally possible to use the wheels from 
other vehicles. This can also apply to wheels of the same model. The use of 
wheels or tyres which have not been approved by SEAT for use with your 
model may invalidate the vehicle's type approval for use on public roads.
•
If the spare tyre is not the same as the tyres that are mounted on the 
vehicle - for example with winter tyres - you should only use the spare tyre for 
a short period of time and drive with extra care. Refit the normal road wheel 
as soon as possible.
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Wheels and tyres
228Wheel bolts
Wheel bolts must be tightened to the correct torque.The design of wheel bolts is matched to the rims. If different wheel rims are 
fitted, the correct wheel bolts with the  right length and correctly shaped bolt 
heads must be used. This ensures that wheels are fitted securely and that the 
brake system functions correctly.
In certain circumstances, you may not  use wheel bolts from a different car - 
even if it is the same model  ⇒page 200.
After the wheels have been changed, the tightening torque of the wheel bolts 
should be checked as soon as possible with a torque wrench.  ⇒ The tight-
ening torque for steel and alloy wheels is 120 Nm.
WARNING
If the wheel bolts are not tightened  correctly, the wheel could become 
loose while driving. Risk of accident.•
The wheel bolts must be clean and turn easily. Never apply grease or oil 
to them.
•
Use only wheel bolts which belong to the wheel.
•
If the torque of the wheel bolts is to o low, they could loosen whilst the 
vehicle is in motion. Risk of accident!  If the tightening torque is too high, 
the wheel bolts and threads can be damaged.Caution
The prescribed torque for wheel bolts  for steel and alloy wheels is 120 Nm.
Winter tyres
Winter tyres will improve the vehicles handling on snow and 
ice.In winter conditions winter tyres will considerably improve the vehicles 
handling. The design of summer tyres (width, rubber compound, tread 
pattern) gives less grip on ice and snow.
Winter tyres must be inflated to a  pressure 0.2 bar higher than the pressures 
specified for summer tyres (see sticker on tank flap).
Winter tyres must be fitted on all four wheels.
Information on permitted  winter tyre sizes can be found in the vehicle's regis-
tration documents. Use only radial winter tyres. All tyre sizes listed in the 
vehicle documentation also apply to winter tyres.
Winter tyres lose their effectiveness when the tread is worn down to a depth 
of 4 mm.
The speed rating code  ⇒page 227, “New tyres and  wheels” determines the 
following  speed limits  for winter tyres:  ⇒
Q max. 160 km/h
S max. 180 km/h
T max. 190 km/h
H max. 210 km/h
In some countries, vehicles which can exceed the speed rating of the fitted 
tyre must have an appropriate sticker in the driver's field of view. These 
stickers are available from your Authorised Service Centre. The legal require-
ments of each country must be followed.
Do not have winter tyres fitted for unnecessarily long periods. Vehicles with 
summer tyres handle better when the roads are free of snow and ice.
If you have a flat tyre, please refer to the notes on the spare wheel 
⇒ page 227, “New tyres and wheels”.
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Wheels and tyres229
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Operating instructions
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Te c h n i c a l  D a t a
WARNING
The maximum speed for the winter tyre s must not be exceeded. Otherwise, 
this could lead to tyre damage and thus, an accident risk.
For the sake of the environment
Fit your summer tyres in good time. They  are quieter, do not wear so quickly 
and reduce fuel consumption.Snow chainsSnow chains are only permitted on front wheels and only for tyres 195/65R15 
and 205/55R16. These tyres may only be fitted with fine-pitch link chains 
which do not protrude more than 15 mm  ⇒page 262. For 235/35R19 tyres, 
the use of snow chains is not permitted.
Other tyres may use fine-pitch links wh ich do not protrude more than 9 mm, 
including tension device.
Remove wheel hub covers and trim rings  before fitting snow chains. For safety 
reasons cover caps, available in any Authorised Service Centre, must then be 
fitted over the wheel bolts.
WARNING
Snow chains should be correctly tightened in accordance with the manu-
facturer's instructions. This will prevent the chains coming into contact 
with the wheel housing.
Caution
You must remove the snow chains to drive on roads which are free of snow. 
Otherwise they will impair handling, damage the tyres and wear out very 
quickly.
Note
•
In some countries, the speed limit for using snow chains is 50 km/h. The 
legal requirements of the country should be followed.
•
We recommend that you ask your Appr oved Service Centre for information 
about appropriate wheel, tyre and snow chain size.
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