2012 Seat Mii engine coolant

189
In the engine compartment
Engine coolant Introduction
Never work on the engine cooling system or if you are not familiar with the
operations to be carried out, the applicable safety standards and especially
if you do not have the instruments, liquids and tools necessary ⇒ 
! In
such a case, have any work carried out by a Specialised workshop. SEAT rec-
ommends visiting a Technical Service.
Negligent work can cause serious injury.
Additional information and warnings:
● Working in the engine compartment ⇒ page 180
● Accessories, parts replacement, repairs and modifications ⇒ page 222
WARNING
Engine coolant is toxic!
● Only keep engine coolant in its original container, tightly shut and in
a safe place.
● Never store engine coolant in empty food containers or bottles as
other people may accidentally drink it.
● Always keep engine coolant out of reach of children.
● Ensure that the proportion of engine coolant additive corresponds to
the lowest outside temperature to which the vehicle will be exposed.
● If the outside temperature is extremely low, the engine coolant could
freeze causing the vehicle to stop. As this would also cause the heating
to stop working, vehicle occupants without sufficient clothing could
freeze.
For the sake of the environment
Coolants and additives can contaminate the environment. Collect any spilt
fluids in suitable containers and dispose of in accordance with legislation
and with the utmost respect for the environment. 
Coolant warning lamp
Several warning and control lamps light up for a few seconds when the igni-
tion is switched on while a test of the function is being carried out. They will
switch off after a few seconds.
lights upPossible causeSolution

Excessive engine coolant
temperature. Stop the vehicle!
Stop the vehicle safely as soon as pos-
sible. Switch off the engine and let it
cool.
Insufficient engine cool-
ant level. ¡Stop the vehicle!
Check the engine coolant when the en-
gine has cooled and, if it is low, refill
with engine coolant ⇒ page 191.
Engine coolant system
faulty. Do not drive any further.
Obtain professional assistance.
flash- esPossible causeSolution
Engine coolant system
faulty.You should obtain professional assis-
tance. 
Vehicle diagramPrior to a journey...While drivingCare, cleaning and mainte-
nanceIf and whenTechnical Data

190In the engine compartment
WARNING
If the warning lamps are ignored, the vehicle may stall in traffic, or may
cause accidents and severe injuries.
● Always observe any lit warning lamps.
● Never ignore the warning lamps.
● Stop the vehicle safely as soon as possible.
CAUTION
Failure to heed the warning lamps when they appear may result in faults in
the vehicle.
Note
On the display of the Portable Navigation System (supplied by SEAT)
⇒ page 222 an engine coolant temperature gauge can be seen. 
Engine coolant specifications
The engine cooling system is supplied from the factory with a specially trea-
ted mixture of water and, at least, 40 % of the additive G 13 (TLVW 774 J).
The engine coolant additive is recognisable by its purple colour. This mix-
ture of water and additive gives the necessary frost protection down to
-25 °C (-13 °F) and protects the light alloy parts of the cooling system
against corrosion. It also prevents scaling and considerably raises the boil-
ing point of the coolant.
To protect the engine cooling system, the percentage of additive must al-
ways be at least 40 %, even in warm climates where anti-freeze protection is
not required.
If greater frost protection is required in very cold climates, the proportion of
additive can be increased. However, the percentage of additive should not exceed 60 %, as this would reduce the frost protection and, in turn, de-
crease the cooling capacity.
When the coolant is topped up, use a mixture of
distilled water and, at
least, 40 % of the G 13 or G 12 plus-plus (TL-VW 774 G) additive (both are
purple) to obtain an optimum anticorrosion protection ⇒ 
. The mixture of
G 13 with G 12 plus (TL-VW 774 F), G 12 (red) or G 11 (green-blue) engine
coolants will significantly reduce the anticorrosion protection and should,
therefore be avoided ⇒ 
.
WARNING
If there is not enough anti-freeze in the coolant system, the engine may
fail leading to serious damage.
● Please make sure that the percentage of additive is correct with re-
spect to the lowest expected ambient temperature in the zone in which
the vehicle is to be used.
● When the outside temperature is very low, the coolant could freeze
and the vehicle would be immobilised. In this case, the heating would
not work either and inadequately dressed passengers could die of cold.
CAUTION
The original additives should never be mixed with coolants which are not
approved by SEAT. Otherwise, you run the risk of causing severe damage to
the engine and the engine cooling system.
● If the fluid in the expansion tank is not purple but is, for example,
brown, this indicates that the G 13 additive has been mixed with an inade-
quate coolant. The coolant must be changed as soon as possible if this is
the case! This could result in serious faults and engine damage.
For the sake of the environment
Coolants and additives can contaminate the environment. If any fluids are
spilled, they should be collected and correctly disposed of, with respect to
the environment. 

191
In the engine compartment
Checking the engine coolant level and refilling
Fig. 113 In the engine
compartment: Marking
on coolant expansion
tank
Fig. 114 In the engine
compartment: Coolant
expansion tank cap
If the coolant level is low, the coolant warning indicator will light. Preparations
●
Park the vehicle on even, flat and firm ground.
● Allow the engine to cool ⇒ 
.
● Open the bonnet  ⇒ page 180.
● The coolant expansion tank is easily recognisable because of the sym-
bol  on the cap ⇒  Fig. 114.
Checking the engine coolant level
● When the engine is cold, check the coolant level using the side marking
on the expansion tank ⇒ Fig. 113.
● If the level is below the “MIN” mark, top up with coolant. When the en-
gine is hot it may be slightly above the marked area.
Topping up the engine coolant level
● Always protect your face, hands and arms from hot coolant and steam
using a large, thick cloth over the coolant expansion tank cap.
● Remove the cap very carefully ⇒ 
.
● Only refill using new engine coolant according to SEAT specifications
(⇒ page 190) ⇒ 
.
● The engine coolant level should be between the marks on the coolant
expansion tank ⇒ Fig. 113. Do not exceed the top level of the marked area
⇒ 
.
● Screw on the cap tightly.
● If, the event of an emergency, you have no coolant that is compliant to
the required specifications ( ⇒ page 190), never use another type of addi-
tive. Instead, first top up with distilled water ⇒ 
only. Then re-establish
the correct proportion of the mixture with the correct additive as soon as
possible ⇒ page 190. 
Vehicle diagramPrior to a journey...While drivingCare, cleaning and mainte-
nanceIf and whenTechnical Data

192In the engine compartment
WARNING
Hot vapours and coolant can cause serious burns.
● Never open the coolant expansion tank if steam or coolant is coming
from the engine compartment. Wait until you cannot see or hear any
steam or coolant escaping.
● Always wait until the engine has completely cooled before very care-
fully opening the expansion tank cap. Contact with hot elements of the
engine can cause skin burns.
● Once the engine has cooled, follow the instructions below before
opening the bonnet:
–Engage the handbrake and place the gear selector lever in P or the
gear stick in neutral.
– Remove the key from the ignition.
– Keep children away from the engine compartment and never leave
them unsupervised.
● When the engine is warm or hot, the cooling system is pressurised.
Do not unscrew the cap on the coolant expansion tank when the engine
is hot. Otherwise, coolant may spray out under pressure causing burns
and serious injury.
–Carefully and slowly unscrew the cap anticlockwise, gently press-
ing down on it.
– Always protect your face, hands and arms from hot coolant and
steam using a large, thick cloth.
● When refilling liquids, avoid spilling them on parts of the engine and
the exhaust system. Spilled liquids could cause a fire. Under specific cir-
cumstances, the ethylene glycol can catch fire.CAUTION
● Top up with distilled water only. Any other type of water may lead to con-
siderable rusting in the engine due to its chemical components. This could
consequently damage the engine. If you have not used distilled water but
another type of water to top up the coolant, a Specialised workshop must
immediately replace all of the fluid in the engine cooling system.
● Only top up coolant to the top level of the marked area ⇒ Fig. 113. Oth-
erwise the excess coolant will be forced out of the cooling system when the
engine is hot, causing damage.
● If a lot of liquid coolant has been lost, wait for the engine to cool down
completely before adding coolant. Extensive coolant loss is an indication of
leaks in the engine cooling system. Have the engine cooling system inspec-
ted immediately by a Specialised workshop. Otherwise engine damage may
occur.
● When refilling or changing service liquids, ensure that you put the liq-
uids into the right tank. Making a mistake when refilling could cause seri-
ous malfunctions and damage the engine! 

222Vehicle care and maintenance
Accessories, replacements, repairs and
modifications
Introduction
Additional information and warnings:
● Seat belts ⇒ page 57
● Airbag system ⇒ page 67
● Roof carrier ⇒ page 104
● Ashtray and cigarette lighter ⇒ page 115
● Power socket ⇒ page 117
● Braking, stopping and parking ⇒ page 134
● Parking distance warning system ⇒ page 149
● Cruise control system (CCS) ⇒ page 152
● Working in the engine compartment ⇒ page 180
● Engine oil ⇒ page 185
● Engine coolant ⇒ page 189
● Vehicle battery ⇒ page 193
● Caring for and cleaning the vehicle exterior ⇒ page 197
● Care and cleaning of the vehicle interior ⇒ page 205
● Notes for the user ⇒ page 233
● ⇒ Booklet Radio system
● Instruction Manual for the Portable Navigation System (supplied by
SEAT) in the equipment.
WARNING
The use of unsuitable spare parts and accessories, or incorrectly per-
formed modifications or repairs may result in damage to the vehicle, acci-
dents and serious injury.
● SEAT strongly recommends you to only use SEAT approved accesso-
ries and SEAT ®
original spare parts. These parts and accessories have
been specially tested by SEAT for suitability, reliability and safety.
● Have any repairs or modifications carried out at a Specialised work-
shop. Specialised workshops have the necessary tools, diagnostics
equipment, repair information and qualified personnel.
● Only mount parts with the same specifications as the parts fitted at
factory.
● Never mount, fasten or fit objects such as drink holders or telephone
cradles over the covers of the airbag modules or within their deployment
zones.
● Only use wheels and tyre combinations which have been approved by
SEAT for your vehicle type.


224Vehicle care and maintenance
Fluids and consumables
All vehicle fluids and consumables , such as notched belts, tyres, coolant
fluids, engine oils, spark plugs and batteries are continually being devel-
oped. Therefore all fluids and consumables should be changed at a Special-
ised workshop. Technical Services are permanently informed of any modifi-
cations.
WARNING
The incorrect use or handling of fluids or consumables may result in acci-
dent, serious injury, burns or intoxication.
● Therefore, fluids must always be stored closed in their original con-
tainer.
● Never store fluids in empty food containers or bottles as other people
may accidentally drink the fluid.
● Keep all fluids and consumables out of reach of children.
● Read and observe the information and warnings given on the fluid
containers.
● Only work in the open air or in well-ventilated zones, when using
products which give off harmful vapours.
● Never use fuel, turpentine, engine oil, acetone or any other volatile
liquid in the maintenance of the vehicle. These are toxic and highly flam-
mable. They could lead to fire or explosions!
CAUTION
● Only use appropriate fluids. Never mix the fluids. Using the wrong fluids
could cause serious malfunctions and engine damage!
● Accessories and other components mounted in front of the air inlet re-
duce the cooling effect of the coolant. If the engine is running under great
strain in high outside temperatures, it could overheat.
For the sake of the environment
Leaking fluids could pollute the environment. Collect any spilt fluids in suit-
able containers and dispose of in accordance with legislation and with re-
spect for the environment. 
Repairs and technical changes
When performing repairs and technical modifications, SEAT's directives
must be observed! ⇒ 
Unauthorised modifications to the electronic components or software in the
vehicle may cause malfunctions. Due to the way the electronic components
are linked together in networks, other indirect systems may be affected by
the faults. This may significantly affect the vehicle's performance, increase
component wear and could mean that the vehicle registration documents
are no longer valid.
Your SEAT Official Service cannot be held liable for any damage caused by
technical modifications or repairs performed incorrectly.
The SEAT Official Service does not accept liability for damage resulting from
technical modifications or repairs performed incorrectly; neither is the SEAT
warranty valid in these cases.
SEAT recommends you have any technical modifications or repairs per-
formed at a SEAT Official Service and that you use genuine SEAT spare
parts ®
.
Vehicles with special accessories and equipment
The manufacturers of additional equipment guarantee that the equipment
complies with applicable laws and regulations with respect to the environ-
ment, in particular Directives 2000/53/CE and 2003/11/CE. The first direc-
tive governs the disposal of end-of-life vehicles while the second refers to
the restrictions on the marketing and use of certain dangerous substances
and preparations. 

280Description of specifications
Technical Data
Description of specifications
Technical specifications
Introduction
The information in your vehicle's official documentation al-
ways take precedence over the information in the current in-
struction manual. The Maintenance Programme vehicle data or the official vehicle documents
show which engine is installed in the vehicle.
All the technical data provided in this documentation is applicable to the
basic model. The figures indicated here may be different depending on the
additional equipment added to the vehicle or the vehicle version, in addi-
tion to special vehicles for other markets.
Additional information and warnings:
● Transporting ⇒ page 97
● Ecological driving ⇒ page 144
● Fuel ⇒ page 177
● Engine oil ⇒ page 185
● Engine coolant ⇒ page 189
● Wheels and tyres ⇒ page 210
● Notes for the user ⇒ page 233
WARNING
Failure to observe requirements for weight, loads, dimensions and maxi-
mum speed may lead to severe accident.


Control lampAirbag system . . . . . . . . . . . . . . . . . . . . . . . . 69
Brake pad wear warning . . . . . . . . . . . . . . 135
Brake system . . . . . . . . . . . . . . . . . . . . . . . 135
Catalytic converter . . . . . . . . . . . . . . . . . . . 236
City Safety Assist function . . . . . . . . . . . . . 156
Cruise control system (CCS) . . . . . . . . . . . . 152
Emission control system . . . . . . . . . . . . . . 236
Engine coolant . . . . . . . . . . . . . . . . . . . . . . 189
Engine management . . . . . . . . . . . . . . . . . 236
Engine oil sensor . . . . . . . . . . . . . . . . . . . . 185
ESC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Fuel level . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Hill hold . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Steering column lock . . . . . . . . . . . . . . . . . 147
Controlling function Electric exterior mirrors . . . . . . . . . . . . . . . . 96
Control units . . . . . . . . . . . . . . . . . . . . . . . . . . . 226 Reprogramming . . . . . . . . . . . . . . . . . . . . . 227
Convenience functions Reprogramming . . . . . . . . . . . . . . . . . . . . . 227
Coolant See engine coolant . . . . . . . . . . . . . . . . . . 189
Crossing a river Salt water . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Cruise control system . . . . . . . . . . . . . . . . . . . . 152
Cruise control system (CCS) Control lamp . . . . . . . . . . . . . . . . . . . . . . . . 152
Operations . . . . . . . . . . . . . . . . . . . . . . . . . 153 D
Damaged tyres . . . . . . . . . . . . . . . . . . . . . . . . . 216
Dangers of not using the seat belt . . . . . . . . . . 60
Dash panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Airbag system . . . . . . . . . . . . . . . . . . . . 67, 208
Data link connector (DLC) . . . . . . . . . . . . . . . . 227
Data registry . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Data storage during the journey . . . . . . . . . . . 226
Data stored by the control units . . . . . . . . . . . 226
Daytime driving light . . . . . . . . . . . . . . . . . . . . . 87
De-icing the door lock cylinder . . . . . . . . . . . . 203
De-icing the locks . . . . . . . . . . . . . . . . . . . . . . . 203
Deadlock Deadlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
SAFELOCK . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Deadlock (immobilizer) . . . . . . . . . . . . . . . . . . 123
Detail passenger seat . . . . . . . . . . . . . . . . . . . . . . . 14
Diagnostics connection . . . . . . . . . . . . . . . . . . 227
Differential lock See "Brake assist systems" . . . . . . . . . . . . 140
Digital clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Dipped beam headlights . . . . . . . . . . . . . . . . . . 86
Dipstick . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Instrument panel . . . . . . . . . . . . . . . . . . . . . 19
Disposal Airbag system . . . . . . . . . . . . . . . . . . . . . . . 235
Belt tension device . . . . . . . . . . . . . . . . . . . . 65
End-of-life vehicle . . . . . . . . . . . . . . . . . . . 235 Door handle
exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Door release lever interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Childproof locks . . . . . . . . . . . . . . . . . . . . . . 38
Emergency locking and unlocking . . . . . . 243
Drink holders . . . . . . . . . . . . . . . . . . . . . . . . . . 113 Centre console . . . . . . . . . . . . . . . . . . . . . . 114
Drinks bottles see Drink holders . . . . . . . . . . . . . . . . . . . . 113
Driver door Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Driver position . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Driving Check list . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Data storage . . . . . . . . . . . . . . . . . . . . . . . . 226
Driving abroad . . . . . . . . . . . . . . . . . . . . . . . 26
Driving through water . . . . . . . . . . . . . . . . . 27
Driving with an automatic gearbox . . . . . . 131
Ecological . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Economic . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Fuel gauge . . . . . . . . . . . . . . . . . . . . . . . . . 172
Fuel level to low . . . . . . . . . . . . . . . . . . . . . 173
Journey preparations . . . . . . . . . . . . . . . . . . 25
Parking downhill . . . . . . . . . . . . . . . . . . . . 137
Parking uphill . . . . . . . . . . . . . . . . . . . . . . . 137
Protection of the undercarriage . . . . . . . . . . 25
starting on a slope . . . . . . . . . . . . . . . . . . . 131
stopping on a slope . . . . . . . . . . . . . . . . . . 131
Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
294 Index