2012 Seat Mii check engine light

241
Practical information
Checklist (Continued) 7. When leaving the vehicle, take all keys with you.
8. Place an emergency warning triangle to indicate the position of your vehicle to other road users.
9. Allow the engine to cool and check if a specialist is required.
When being towed with the hazard warning lights system on, a change in
direction or traffic lane can be indicated as usual using the turn signals lev-
er. The hazard lights will be interrupted temporarily.
Examples of when to use the hazard warning lights system:
● If the vehicles ahead suddenly slow down or reach the end of a traffic
jam, to warn the vehicles behind.
● In case of an emergency.
● If the vehicle breaks down.
● When tow-starting or towing.
Always comply with the applicable laws regarding the use of hazard warn-
ing lights.
If the hazard warning lights system is not working, you must use an alterna-
tive method of drawing attention to your vehicle. This method must comply
with traffic legislation.
WARNING
Failure to follow the checklist prepared for your own safety could lead to
accidents and severe injuries.
● Always complete the operations given in the checklist and observe
the general rules of safety.
WARNING
The components of the exhaust system reach very high temperatures.
This could cause a fire and considerable damage.
● Always park your vehicle so that no part of the exhaust system can
come in contact with flammable materials (such as dried grass or fuel).
Note
The vehicle battery will discharge and run down if the hazard warning lights
remain on for too much time (even with the ignition turned off).
Note
For some vehicles, the brake lights will blink when braking suddenly at
speeds of approximately 80 km/h (50 mph) to warn vehicles behind. If brak-
ing continues, then the hazard warning lights system will automatically be
turned on at the speed of less than approximately 10 km/h (6 mph). The
brake lights remain lit. Upon accelerating, the hazard warning lights system
will be automatically turned off. 
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250Practical information
Changing a wheel
Introduction
Some vehicle versions and models do not have a factory-fitted jack or box
spanner. In this case, we recommend consulting a Specialised workshop to
change the wheel.
You should only change the wheels yourself if the vehicle is parked in a safe
place, you are familiar with the procedure and you have all the necessary
tools! Otherwise, you should seek professional assistance.
Additional information and warnings:
● Exterior detail ⇒ page 6
● Vehicle key set ⇒ page 28
● Wheels and tyres ⇒ page 210
● In case of emergency ⇒ page 240
● Vehicle tools ⇒ page 246
● Wheel trims ⇒ page 248
WARNING
Changing a wheel can be dangerous, especially on the hard shoulder.
Please observe the following rules to minimise the risk of injury:
● Stop the vehicle safely as soon as possible. Park your vehicle as safe
distance from surrounding traffic to change a wheel.
● When changing a wheel, keep all passengers and particularly chil-
dren a safe distance away from the work area.
● Turn on the hazard warning lights to warn other road users.
● Ensure the ground on which you park is flat and solid. If necessary,
support the jack on a wide solid base.
WARNING (Continued)
● If you are changing a wheel yourself, you should be familiar with the
required procedure. Otherwise, you should seek professional assistance.
● Only use suitable tools that are not damaged when changing a wheel.
● Always stop the engine, apply the handbrake lever firmly and place
the selector lever in position P, or engage a gear for a manual gearbox to
reduce the risk of the vehicle moving accidentally.
● Have the tightening torque of the wheel bolts checked as soon as
possible with a reliable torque wrench.


256Practical information
Anti-puncture kit*
Introduction
The Tyre Mobility Set* will reliably seal punctures caused by the penetration
of a foreign body of up to about 4 mm in diameter. Do not remove foreign
objects, e.g. screws or nails, from the tyre.
After inserting the sealant residue in the tyre, you must again check the tyre
pressure about 10 minutes after starting the engine.
You should only use the tire mobility set if the vehicle is parked in a safe
place, you are familiar with the procedure and you have the necessary tire
mobility set! Otherwise, you should seek professional assistance.
The tyre sealant must not be used in the following cases:
● If the wheel rim has been damaged.
● In outside temperatures below -20 °C (-4 °F).
● In the event of cuts or perforations in the tyre greater than 4 mm.
● If you have been driving with very low pressure or a completely flat tyre.
● If the sealant bottle has passes its use by date.
Additional information and warnings:
● Vehicle key set ⇒ page 28
● Braking, stopping and parking ⇒ page 134
● Wheels and tyres ⇒ page 210
● In case of emergency ⇒ page 240
● Wheel trims ⇒ page 248
WARNING
Using the tire mobility set can be dangerous, especially when filling the
tyre at the roadside. Please observe the following rules to minimise the
risk of injury:
● Stop the vehicle safely as soon as possible. Park your vehicle as safe
distance from surrounding traffic to fill the tyre.
● Ensure the ground on which you park is flat and solid.
● All passengers and particularly children must keep a safe distance
from the work area.
● Turn on the hazard warning lights to warn other road users.
● Use the tire mobility set only if you are familiar with the necessary
procedure. Otherwise, you should seek professional assistance.
● The tire mobility set is intended for temporary, emergency use only.
Use only until you can reach the nearest specialised workshop.
● Replace the repaired tyre with the tire mobility set as soon as possi-
ble.
● The sealant is a health hazard and must be cleaned immediately if it
comes into contact with the skin.
● Always keep the tire mobility set out of the reach of small children.
● Never use the approved jack, even if it has been approved for your ve-
hicle.
● Always stop the engine, apply the handbrake lever firmly and engage
gear if using a manual gearbox, in order to reduce the risk of vehicle in-
voluntary movement.
WARNING
A tyre filled with sealant does not have the same performance properties
as a conventional tyre.
● Never drive faster than 80 km/h (50 mph). 

258Practical information
Bottle of sealant 1)
Spare tyre valve
The valve insert remover 1
has a gap at the lower end for a valve insert.
The valve insert can only be screwed or unscrewed in this way. This also ap-
plies to its replacement part 11
. 
Preparation
Checklist
Before filling a tyre, complete the following operations in the order given
⇒ 
:
1. In the event of a puncture, park the vehicle as far as possible from traffic and on flat, suitable ground.
2. Apply the handbrake firmly ⇒ page 134.
3. Stop the engine and remove the key from the ignition ⇒ page 119.
4. Manual gearbox: Select a gear ⇒ page 124.
5. Have all vehicle occupants get out of the vehicle and wait in a safe place (for example, behind the safety barrier).
6. Switch on the hazard warning lights and set the warning triangle in position ⇒ page 240. Observe legal requirements.
7. Check whether a repair is possible using the Tyre Mobility Set ⇒ page 256
8. If the luggage compartment is full: take the baggage out of the vehi- cle.
9. Remove the tire mobility set from the luggage compartment.
10. Apply the sticker ⇒ Fig. 146 2
from the tire mobility set to the dash
panel where it can be seen clearly.
11. Do not remove foreign objects, e.g. screws or nails, from the tyre.
1011WARNING
Failure to follow the checklist prepared for your own safety could lead to
accidents and severe injuries.
● Always complete the operations given in the checklist and observe
the general rules of safety.

Sealing and inflating a tyre
Sealing a tyre
● Unscrew the tyre valve cap.
● Use the corresponding enclosed extractor ⇒ Fig. 146 1
to unscrew the
tyre valve insert. Place the valve insert on a clean surface.
● Vigorously shake the sealant bottle ⇒ Fig. 146 10
for several seconds.
● Screw the inflator tube ⇒ Fig. 146 3 securely into the sealant bottle in
a clockwise direction. The seal on the mouth of the bottle moves automati-
cally.
● Remove the lid from the filling tube ⇒ Fig. 146 3
and screw the open
end of the tube into the tyre valve.
● Hold the tyre sealant can upside down and fill the complete contents of
the can into the tyre.
● Remove the tyre sealant bottle from the valve.
● Screw the valve insert again with the corresponding enclosed extractor
⇒ Fig. 146 1
into the tyre valve.
Inflating the tyre
● Securely screw the tyre inflator tube ⇒ Fig. 146 5
of the compressor in-
to the tyre valve.
● Check whether the air bleed screw ⇒ Fig. 146 7
is closed.

1)
A compressor may also be included.

261
Practical information
Fuses
Introduction
Due to the constant update of vehicles, fuse assignments depending on
equipment and the use of the same fuse for various electrical components,
at the time of printing this manual it is not possible to provide an up-to-date
summary of the electrical components fuse positions. For detailed informa-
tion about the fuse positions, please consult a Technical Service.
In general, a fuse can be assigned to various electrical components. Like-
wise, an electrical component can be protected by several fuses.
Only replace fuses when the cause of the problem has been solved. +If a
newly inserted fuse blows after a short time, you must have the electrical
system checked by a Specialised workshop as soon as possible.
Additional information and warnings:
● Working in the engine compartment ⇒ page 180
WARNING
The high voltages in the electrical system can give serious electrical
shocks, causing burns and even death!
● Never touch the electrical wiring of the ignition system.
● Take care not to cause short circuits in the electrical system.
WARNING
Using unsuitable fuses, repairing fuses or bridging a current circuit with-
out fuses can cause a fire and serious injury.
● Never use a fuse with a higher value. Only replace fuses with a fuse of
the same amperage (same colour and markings) and size.
● Never repair a fuse.
● Never replace a fuse by a metal strip, staple or similar.
CAUTION
● To avoid damage to the vehicles electric system, before replacing a fuse
turn off the ignition, the lights and all electrical elements and remove the
keys from the ignition.
● If you replace a fuse with higher-rating fuse, you could cause damage to
another part of the electrical system.
● Protect the fuse boxes when open to avoid the entry of dust or humidity.
Dirt and humidity inside fuse boxes can cause damage to the electrical sys-
tem.
Note
One single consumer could have more than one fuse.
Note
Several consumers could run over one single fuse. 
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265
Practical information
Information for replacing bulbs
Checklist
To replace a bulb, carry out the following operations always in the order giv-
en ⇒ 
:
1. Park the vehicle a safe distance from traffic and on suitable ground.
2. Apply the handbrake firmly ⇒ page 134.
3. Turn the light switch to position 0 ⇒ page 84.
4. Move the gear lever into the neutral position ⇒ page 84.
5. Stop the engine and remove the key from the ignition ⇒ page 119.
6. Automatic gearbox: move the selector lever to position P
⇒ page 124.
7. Manual gearbox: Select a gear ⇒ page 124.
8. Allow the corresponding bulb to cool.
9. Visually inspect fuses to see if any are blown ⇒ page 261.
10. Replace the bulb according to the instructions ⇒ 
. Bulbs should
only be replaced by new identical models. Bulb information is dis-
played on the bulb socket or on the bulb itself.
11. In general, never touch the bulb glass directly. The heat of the bulb would cause the fingerprint to evaporate and condense on the reflec-
tor. This will impair the brightness of the headlight.
12. Check if the new bulb is working. If the bulb is not working, it maynot have been correctly fitted, it could be damaged or the connector
may not be correctly connected.
13. Every time a bulb for the headlights is replaced, visit a specialised workshop to check the headlights.
WARNING
Failure to follow the checklist prepared for your own safety could lead to
accidents and severe injuries.
● Always complete the operations given in the checklist and observe
the general rules of safety.
CAUTION
Always remove and fit headlights carefully to avoid damage to the paint-
work and other vehicle parts. 
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266Practical information
Replacing the bulbs in the headlights
Fig. 150 In the engine compartment: Rear view of the
front left headlight with rubber cover: A dipped beam
and main beam headlights, B side lights and daytime
driving lights and C turn signal
There is no need to remove the headlight to replace bulbs.
Complete operations only in the sequence given:
⇒ Fig. 150ABCDipped beam and main beam headlightsSide light and daytime driving lightTurn signals (front)1.Always take the checklist into account and take the necessary actions ⇒ page 265.2.Open the bonnet  ⇒ page 180.
3.
Remove the bulb connector H4. Remove
the rubber cover using the tabs.
Turn the bulb holder in an anticlockwise direction as far as it will go and remove it, along with the bulb, pulling backwards.Press the retaining clip D downwards in
the direction of the arrow, and unclip side- ways and remove it.
4.Remove the bulb from the holder. If necessary, press the lock on the bulb holder.5.Replace the faulty bulb by a new identical bulb. 

Changing gear . . . . . . . . . . . . . . . . . . . . . . . . . 124Automatic gearbox . . . . . . . . . . . . . . . . . . . 129
Engaging gears (automatic gearbox) . . . . 129
Engaging gears (manual gearbox) . . . . . . 128
Manual gearbox . . . . . . . . . . . . . . . . . . . . . 128
Warning and control lamps . . . . . . . . . . . . 125
with Tiptronic . . . . . . . . . . . . . . . . . . . . . . . 130
Changing gears Gear recommendation . . . . . . . . . . . . . . . . 132
Changing the bulbs Side turn signal . . . . . . . . . . . . . . . . . . . . . 271
Changing the wheel After changing the wheel . . . . . . . . . . . . . . 255
Chassis number . . . . . . . . . . . . . . . . . . . . . . . . 281
Checking Tyre pressures . . . . . . . . . . . . . . . . . . . . . . . 215
Checking the oil level . . . . . . . . . . . . . . . . . . . . 186
Checklist Before working in the engine compart-ment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Changing bulbs . . . . . . . . . . . . . . . . . . . . . 265
In case of an emergency . . . . . . . . . . . . . . 240
Check list Journey preparations . . . . . . . . . . . . . . . . . . 25
Preparations for changing a wheel . . . . . . 251
Raising the vehicle with the jack . . . . . . . . 254
Checklist Refuelling precautions . . . . . . . . . . . . . . . . 176
Check list Safe driving . . . . . . . . . . . . . . . . . . . . . . . . . 25 Checklist
Seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Tire Mobility Set . . . . . . . . . . . . . . . . . . . . . 258
Transporting children in the vehicle . . . . . . 77
Check list Upholstery . . . . . . . . . . . . . . . . . . . . . . . . . 206
Child safety seat Securing with seat belt . . . . . . . . . . . . . . . . 80
Child seat ISOFIX child seat on rear seats . . . . . . . . . . 80
Mounting child seats . . . . . . . . . . . . . . . . . . 78
Mounting systems . . . . . . . . . . . . . . . . . . . . 79
On rear seats . . . . . . . . . . . . . . . . . . . . . . . . 80
On the front passenger seat . . . . . . . . . . . . 79
Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Securing using a Top Tether retaining strap 83
Securing using ISOFIX . . . . . . . . . . . . . . . . . 81
Securing using LATCH . . . . . . . . . . . . . . . . . 81
Transporting children in the vehicle . . . . . . 77
Weight categories . . . . . . . . . . . . . . . . . . . . 77
Child seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Disabling the front passenger airbag . . . . . 73
Chromework care . . . . . . . . . . . . . . . . . . . . . . . 202
Cigarette lighter . . . . . . . . . . . . . . . . . . . . . . . . 115
City Safety Assist function . . . . . . . . . . . . . . . . 155 Control lamp . . . . . . . . . . . . . . . . . . . . . . . . 156
Function . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Special driving situations . . . . . . . . . . . . . 159
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . 156
Cleaning dash panel . . . . . . . . . . . . . . . . . . . . . . . . . 208
Engine compartment . . . . . . . . . . . . . . . . . 204 Seat belts . . . . . . . . . . . . . . . . . . . . . . . . . . 208
See "Care of your vehicle" . . . . . . . . . . . . . 197
wheel rims . . . . . . . . . . . . . . . . . . . . . . . . . 203
Windscreen wiper blades . . . . . . . . . . . . . 201
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Close Sliding/tilting electric panoramic sunroof . 44
Closing Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
from the exterior . . . . . . . . . . . . . . . . . . . . . . 34
from the inside . . . . . . . . . . . . . . . . . . . . . . . 36
Rear lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Coat hooks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Code number . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Collection of end-of-life vehicles . . . . . . . . . . . 235
Compartments Centre console . . . . . . . . . . . . . . . . . . . . . . 109
Glove compartment . . . . . . . . . . . . . . 110, 111
Other storage compartments . . . . . . . . . . 112
Passenger side . . . . . . . . . . . . . . . . . . 110, 111
Sunglasses storage compartment . . . . . . 110
Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Conformity certification . . . . . . . . . . . . . . . . . . 234
Consumer disconnection . . . . . . . . . . . . . . . . . 196
Consumption How it is determined . . . . . . . . . . . . . . . . . 282
Information . . . . . . . . . . . . . . . . . . . . . . . . . 282
control lamp on the driver door . . . . . . . . . . . . . . . . . . . . . 37
Vehicle key . . . . . . . . . . . . . . . . . . . . . . . . . . 30
293
Index