Checking and refilling levels
220•High engine speed and full throttle can damage the engine when using
petrol with an octane rating lower than the correct grade for the engine.For the sake of the environment
Just one full tank of leaded fuel would seriously impair the efficiency of the
catalytic converter.Petrol additives
Petrol additives improve the quality of the petrol.The quality of the petrol influences the performance, power and life of the
engine. For this reason, you should use good quality petrol containing addi-
tives. These additives will help to prevent corrosion, keep the fuel system
clean and prevent deposits from building up in the engine.
If good quality petrol with additives is not available or engine problems occur,
the required additives must be added during refuelling.DieselDiesel*Diesel fuel must conform to DIN EN 590 (EN = “European Standard”). It must
have a cetane number (CN) of at least 51. The cetane number indicates the
ignition quality of the diesel fuel.
Notes on refuelling ⇒page 214.
Biodiesel*
Caution
•Your vehicle is not designed to use biodiesel fuel. Never, under any
circumstances refuel with biodiesel. The use of biodiesel fuel could damage
the engine and the fuel system. The addition of biodiesel to diesel fuel by the
diesel manufacturer in accordance with standard EN 590 or DIN 51628 is
authorised and will not cause damage to the engine or the fuel system.•The diesel engine has been designed to be used exclusively with diesel
fu el con for m i ng to sta nda rd E N 59 0 . Never refuel or use petrol, kerosene, fuel
oil or any other type of fuel. If you accidentally fill up the vehicle with the
wrong type of fuel, do not start the engine. Seek assistance from specialised
personnel. The composition of these fuels may severely damage the fuel
system and the engine.Winter driving
Diesel can thicken in winter.Winter diesel
When using summer diesel fuel, difficulties may be experienced at tempera-
tures below 0 °C because the fuel thickens due to wax separation. Therefore,
winter diesel fuel is available in some countries during the cold months. It can
be used at temperatures as low as -22 °C.
In countries with different climatic conditions the diesel fuel generally sold
has different temperature characteristics. Check with an Authorised Service
Centre or filling stations in the country concerned regarding the type of diesel
fuels available.
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Checking and refilling levels221
Safety First
Operating Instructions
Practical Tips
Technical Specifications
Filter pre-heater
Your vehicle is fitted with a fuel filter glow plug system, making it well
equipped for operation in winter. This ensures that the fuel system remains
operational to approx. -24 °C, provided you use winter diesel which is safe to
-15 °C.
However, if the fuel has waxed to such an extent that the engine will not start
at temperatures of under -24 °C, simply place the vehicle in a warm place for
a while.
Caution
Do not mix fuel additives (thinners or similar products) with diesel fuel.Working in the engine compartmentSafety instructions on workin
g in the engine compartment
Any work carried out in the engine compartment or on the
engine must be carried out cautiously.Before starting any work on the engine or in the engine compart-
ment:
1. Switch off the engine and remove the key from the ignition.
2. Apply the handbrake.
3. Move the gear lever to neutral or the selector lever to position P.
4. Wait for the engine to cool down.
5. Keep children away from the vehicle. 6. Raise the bonnet
⇒page 223.
You should not do any work in the engine compartment unless you know
exactly how to carry out the jobs and have the correct tools! Have the work
carried out by a specialised workshop if you are uncertain.
All service fluids and consumables, e.g. coolant, engine oil, spark plugs and
batteries, are being constantly developed. SEAT provides a constant flow of
information to the Authorised Service Centres concerning modifications. For
this reason, we recommend you to have service fluids and consumables
replaced by an Authorised Service Centre. Please observe the relevant
instructions ⇒page 212. The engine compartment of the vehicle is a
hazardous area ⇒.
WARNING
All work on the engine or in the engine compartment, e.g. checking and
refilling fluids, involves a risk of injury and scalding as well as the risk of
accident or fire.•Never open the bonnet if you see steam, smoke or coolant escaping
from the engine compartment. Otherwise, there is a risk of sustaining
burns. Wait until no more steam or coolant is emitted, then allow the
engine to cool before carefully opening the bonnet.•Switch off the engine and remove the key from the ignition.•Apply the handbrake and move the gear lever to neutral or selector
lever to position P.•Keep children away from the vehicle.•Never touch hot engine parts. There is a risk of burns.•Never spill liquids on a hot engine or on a hot exhaust gas system. This
is a fire hazard.•Avoid causing short-circuits in the electrical system, particularly at the
points where the jump leads are attached ⇒page 268. The battery could
explode.
Leon_EN.book Seite 221 Mittwoch, 1. September 2010 6:16 18
Checking and refilling levels
222•Never touch the radiator fan. It is temperature controlled and could
start automatically, even when the engine has been switched off and the
key removed from the ignition!•Do not unscrew the cap on the coolant reservoir when the engine is hot.
If the coolant is hot, the cooling system will be pressurised!•Protect face, hands and arms by covering the cap with a large, thick
cloth to protect against escaping coolant and steam.•Al wa ys m ake s u re yo u ha ve n o t l e f t a ny o bj e c t s , s u ch as cl e an i n g cl o t h s
and tools, in the engine compartment.•If you have to work underneath the vehicle, you must use suitable
stands additionally to support the vehicle, there is a risk of accident!. A
hydraulic jack is insufficient for securing the vehicle and there is a risk of
injury.•If any work has to be performed when the engine is started or with the
engine running, there is an additional, potentially fatal, safety risk from the
rotating parts, such as the drive belts, alternator, radiator fan, etc., and
from the high-voltage ignition system. You should also observe the
following points:
−Never touch the electrical wiring of the ignition system.
− Ensure that jewellery, loose clothing and long hair do not get
trapped in rotating engine parts. Da nger of death. Before starting any
work remove jewellery, tie back and cover hair, and wear tight-fitting
clothes.
− Never accelerate with a gear engaged without taking the necessary
precautions. The vehicle could move, even if the handbrake is applied.
Danger of death.•If work has to be carried out on the fuel system or on electrical compo-
nents, you must observe the following safety notes in addition to the above
warnings:
−Always disconnect the battery. The vehicle must be unlocked when
this is done, otherwise the alarm will be triggered. −
Do not smoke.
− Never work near naked flames.
− Always have a fire extinguisher on hand.
Caution
When topping up service fluids, make sure not to mistake them. Using the
wrong fluids could cause serious malfunctions and engine damage!
For the sake of the environment
Service fluids leaks are harmful to the environment. For this reason you
should make regular checks on the grou nd underneath your vehicle. If you
find spots of oil or other fluids, have your vehicle inspected at a specialised
workshop.
WARNING (continued)
WARNING (continued)
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Checking and refilling levels
226
– Briefly run the engine at idle speed until the service temperature is reached and stop.
– Wait two minutes.
– Pull out the dipstick. Wipe the dipstick with a clean cloth and insert it again, pushing it in as far as it will go.
– Then pull it out once more and check the oil level ⇒page 225,
fig. 144 . Top up with engine oil if necessary.Oil level in area
–Do not add oil.
Oil level in area
–Oil can be topped up. The indicated oil level should be after the zone
Oil level in area
–Oil must be topped up. The indicated oil level should be after in zone
Depending on how you drive and the conditions in which the vehicle is used,
oil consumption can be up to 0.5 l/1000 km. Oil consumption is likely to be
higher for the first 5000 km. For this reason the engine oil level must be
checked at regular intervals, preferably when filling the tank and before a
journey.
WARNING
Any work carried out in the engine compartment or on the engine must be
carried out cautiously.•When working in the engine compartment, always observe the safety
warnings ⇒page 221.
Caution
If the oil level is above the area do not start the engine. This could result
in damage to the engine and catalytic converter. Contact an Authorised
Service Centre.Topping up engine oil
E
Top up gradually with small quantities of oil.
Before opening the bonnet, read and observe the warnings ⇒ in
“Safety instructions on working in the engine compartment” on
page 221.
– Unscrew cap from oil filler opening ⇒fig. 145.
– Top-up oil in small amounts, using the correct oil.
AAAB
AA
AC
AA
AA
Fig. 145 In the engine
compartment: Engine oil
filler cap
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Checking and refilling levels
228•Never pour oil down drains or into the ground.•Use a suitable container when draining the used oil. It must be large
enough to hold all the engine oil.CoolantCoolant specifications
Coolant is a mixture of water and at least 40% coolant addi-
tive.The cooling system must be filled with a mixture of water and at least 40 % of
our G 12+ additive or an additive with the TT-VW 774 F specification (it has a
purple colour). This mixture provides the necessary freeze protection down to
-25 °C and protects the alloy parts of the cooling system against corrosion. It
also prevents scaling and raises the boiling point of the coolant.
The concentration of coolant must always be at least 40% - even if freeze
protection is not required.
If greater freeze protection is required in very cold climates, the proportion of
the G 12+ additive can be increased. However, the percentage of coolant
add it iv es s ho uld n ot e xcee d 6 0% , as this wo u ld re d uce t he fr ee ze pro tec ti on.
It would also reduce the cooling effect. A mixture with 60% additive will give
antifreeze protection to approx. -40 °C.
WARNING
•The coolant additive is toxic. There is a toxic risk. Always keep the
coolant additive in the original container which should be stored out of the
reach of children. The same applies to coolant which you have drained off.
•The G 12+ additive must be added in sufficient quantities to provide
anti-freeze protection at the coldest ambient temperatures that can be
expected. At extremely cold outside temperatures, the coolant could
freeze, causing the vehicle to breakdown. As the heater would not work
either, there is a risk of freezing to death.Caution
•Other additives may give considerably inferior corrosion protection. The
resulting corrosion in the cooling system can lead to a loss of coolant,
causing serious damage to the engine.•The G 12+ additive (purple) can be mixed with the G 12 (red) or G 11 addi-
tive. Never mix G12 (red) with G 11.WARNING (continued)
Leon_EN.book Seite 228 Mittwoch, 1. September 2010 6:16 18
Index
298CCar care
Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Catalytic converter . . . . . . . . . . . . . . . . . . . . . . 194
Central locking . . . . . . . . . . . . . . . . . . . . . . . . . . 99 Automatic locking system for involuntary unlocking . . . . . . . . . . . . . . . . . . . . . . . . . 101
Automatic speed dependent locking and un- locking system* . . . . . . . . . . . . . . . . . . . . 101
Emergency unlocking system . . . . . . . . . . . 101
Selective unlocking system* . . . . . . . . . . . 100
Unlocking system* . . . . . . . . . . . . . . . . . . . 101
Central locking button Locking . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Unlocking . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Centre console with drink holder . . . . . . . . . . . 141
Cetane number . . . . . . . . . . . . . . . . . . . . . . . . . 220
Changing a wheel . . . . . . . . . . . . . . . . . . . . . . . 247
Changing gear See Manual gearbox . . . . . . . . . . . . . . . . . . 170
Changing gear in tiptronic mode . . . . . . . . . . . 174
Changing the bulbs Main headlight bulbs . . . . . . . . . . . . . . . . . 260
Tail lights . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Changing the main headlight bulbs dipped beam headlights . . . . . . . . . . . . . . 261
Main beam headlights . . . . . . . . . . . . . . . . 262
Side lights . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Turn signal bulbs . . . . . . . . . . . . . . . . . . . . 261 Changing the tail light bulbs
Side light, fog light and tail light on the tailgate264
Changing the tail lights Luggage compartment lights . . . . . . . . . . . 265
Turn signal, side and brake lights on the body263
Chassis number . . . . . . . . . . . . . . . . . . . . . . . . 274
Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Checking battery electrolyte level . . . . . . . . . . 235
Checking engine oil level . . . . . . . . . . . . . . . . . 225
Child safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Child seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Categorisation in groups . . . . . . . . . . . . . . . 48
Group 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Group 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Group 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Groups 0 and 0+ . . . . . . . . . . . . . . . . . . . . . . 48
Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Securing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Child seats ISOFIX system . . . . . . . . . . . . . . . . . . . . . . . . 52
on the front passenger seat . . . . . . . . . . . . . 31
Top Tether system . . . . . . . . . . . . . . . . . . . . . 52
Cigarette lighter* . . . . . . . . . . . . . . . . . . . . . . . . 143
Cleaning alloy wheels . . . . . . . . . . . . . . . . . . . . 208
Cleaning chrome . . . . . . . . . . . . . . . . . . . . . . . . 207
Cleaning engine compartment . . . . . . . . . . . . . 209
Cleaning steel wheel rims . . . . . . . . . . . . . . . . 208
Cleaning windows . . . . . . . . . . . . . . . . . . . . . . . 206
Climatic* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 Climatronic
General notes . . . . . . . . . . . . . . . . . . . . . . . 158
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Cloth seat covers cleaning . . . . . . . . . . . . . . . . 210
Clothes hook . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Cockpit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Coming/leaving home function . . . . . . . . . . . . 120
Compartment for on-board documentation . . 141
Control lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Control lighting . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Controls Electric windows . . . . . . . . . . . . . . . . . . . . . 112
Exterior mirrors . . . . . . . . . . . . . . . . . . . . . . 132
Sliding/tilting sunroof . . . . . . . . . . . . . . . . 114
Convenience closing Sliding/tilting sunroof . . . . . . . . . . . . . . . . 115
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Convenience opening Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . 228, 229 Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 66
Coolant level . . . . . . . . . . . . . . . . . . . . . . . . . . . 229 Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 82
Coolant loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Coolant temperature Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Safety instructions . . . . . . . . . . . . . . . . . . . . 83
Correct adjustment of front seat head restraints . . 13
Correct adjustment of rear seat head restraints In-use and non-use positions . . . . . . . . . . . 14
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Index
302Octane number . . . . . . . . . . . . . . . . . . . . . . . . . 219
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
224
Oil change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Oil properties . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
One-touch opening and closing
Electric windows . . . . . . . . . . . . . . . . . . . . . 113
Opening and locking . . . . . . . . . . . . . . . . . . . . 110
Outside temperature display . . . . . . . . . . . . 65, 73
Overview Control lamps . . . . . . . . . . . . . . . . . . . . . . . . 77
Dash panel . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Indicator lamps . . . . . . . . . . . . . . . . . . . . . . . 80
Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Warning lamps . . . . . . . . . . . . . . . . . . . . 77, 80PPaintworkPolishing . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Parking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Parking lights . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Parking system . . . . . . . . . . . . . . . . . . . . . . . . . 178
Parking system plus . . . . . . . . . . . . . . . . . . . . . 179
Parts replacement . . . . . . . . . . . . . . . . . . . . . . . 212
Passenger See Correct sitting position . . . . . . . . . . 11, 12
Pedals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Petrol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219 Driving abroad . . . . . . . . . . . . . . . . . . . . . . . 198
Petrol additives . . . . . . . . . . . . . . . . . . . . . . . . . 220 Physical principles of a frontal collision . . . . . . 21
Plastic parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Plastic parts cleaning . . . . . . . . . . . . . . . . . . . . 209
Pollen filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Pollution filter . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Power steering . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . . 88
Products for vehicle maintenance . . . . . . . . . . 203
RRadio frequency remote control . . . . . . . . . . . . 106 Changing the battery . . . . . . . . . . . . . . . . . 107
Radio navigation steering wheel controls Audio + telephone version . . . . . . . . . . . . . . 96
Audio version . . . . . . . . . . . . . . . . . . . . . . . . 96
Rain sensor* . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Rear fog light Indicator lamp . . . . . . . . . . . . . . . . . . . . . . . . 83
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . 117
Rear interior lights . . . . . . . . . . . . . . . . . . . . . . 126
Rear reading lights . . . . . . . . . . . . . . . . . . . . . . 126
Rear seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Rear shelf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Rear window automatic wiper/washer . . . . . . 130
Rear window wiper . . . . . . . . . . . . . . . . . . . . . . 130
Recommended gear display . . . . . . . . . . . . . . . . 62
Refuelling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Registration light . . . . . . . . . . . . . . . . . . . . . . . . 266 Remote control key
Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Synchronising . . . . . . . . . . . . . . . . . . . . . . . 107
Removing and fitting the wheel . . . . . . . . . . . . 251
Repairs Airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Replacement keys . . . . . . . . . . . . . . . . . . . . . . . 105
Rev counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Reverse gear Manual gearbox . . . . . . . . . . . . . . . . . . . . . 170
Roll-back function Sliding/tilting sunroof . . . . . . . . . . . . . . . . 116
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Roof aerial* . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Roof rack* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Rubber seals . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Run-flat tyres . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Running in Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
SSafe driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Safe security system . . . . . . . . . . . . . . . . . . . . . 100
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Safety equipment . . . . . . . . . . . . . . . . . . . . . . . . . 7
Safety instructions
Coolant temperature . . . . . . . . . . . . . . . . . . . 83
Safety notes Airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Curtain airbags . . . . . . . . . . . . . . . . . . . . . . . 42
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