warning lights Seat Mii 2015 Owner's Guide

Driver assistance systems
WARNING
Do not be distracted from traffic to look at the
sc r
een. Note
● SEA T r

ecommends practising using the
parking distance warning system in a traffic-
free zone or in a car park to familiarise your-
self with the system and its operation.
● Representation of the registered area on
the scr
een of the portable navigation system
may take up to 5 seconds.
● Note the Instruction Manual provided for
the device of
the additional information relat-
ing to the Portable Navigation System (sup-
plied by SEAT) ››› page 164. Cruise control* (Cruise control
sy
s
t

em - CCS)
Control lamp
It lights upPossible cause 
This cruise control system maintains the
set speed of the vehicle.
Several warning and indication lamps light
up f
or a f
ew sec

onds when the ignition is
switched on, signalling that the function is being verified. They will switch off after a few
seconds. WARNING
If the warning lamps are ignored, the vehicle
ma y

stall in traffic, or may cause accidents
and severe injuries.
● Never ignore the warning lamps. CAUTION
Failure to heed the warning lamps when they
appe ar m

ay result in faults in the vehicle. Cruise control operation
Read the additional information carefully
› ›
›

 page 25
The cruise control system (CCS) is able to in-
dividually maintain the set speed when driv-
ing forwards from approx. 20 km/h (15 mph).
The CCS only slows down by reducing the ac-
celerator but not by braking ››› .
T r
av

elling down hills with the CCS
When travelling down hills the CCS cannot
maintain a constant speed. Slow the vehicle
down using the brake pedal and reduce
gears if required. Automatic off
The cruise c

ontrol system (CCS) is switched
off automatically or temporarily:
● If the system detects a fault that could af-
fect the w
orking order of the CCS.
● If you increase the stored speed by press-
ing the acc
elerator pedal for a certain time.
● if the brake or clutch pedal is depressed.
● If the gear is changed with the manual
gearbo
x.
● If the airbag is triggered. WARNING
Use of the cruise control could cause acci-
dents and sev

ere injuries if it is not possible
to drive at a constant speed maintaining the
safety distance.
● Do not use the cruise control in heavy traf-
fic, if the dis
tance from the vehicle in front is
insufficient, on steep roads, with several
bends or in slippery circumstances (snow,
ice, rain or loose gravel), or on flooded roads.
● Never use the CCS when driving off-road or
on unpav
ed roads.
● Always adapt your speed and the distance
to the v
ehicles ahead in line with visibility,
weather conditions, the condition of the road
and the traffic situation.
● To avoid unexpected operation of the cruise
contro
l system, turn it off every time you fin-
ish using it. » 151
Technical data
Advice
Operation
Emergencies
Safety

Driver assistance systems
Warning and control lamp The City Safety Assist function is switched on
ever
y
time the ignition is switched on. No
special indication is produced.
If the City Safety Assist function is switched
off or on, or if there is an error in the system,
it will be shown by a control lamp on the in-
strument panel display. 

It lights up
The City Safety Assist
function has been
switched on manual-
ly using the button
  ››› Fig. 152.
The control lamp turns off after
about 5 seconds. 
Flashes
Fast: The City Safety
Assist system func-
tion brakes automat-
ically or has braked
automatically.
Control lamp turns off automati-
cally.
Slow: City Safety As-
sist function is not
currently available.
If the vehicle is stopped, switch
off the engine and switch it on
again. If necessary, inspect the
radar sensor (dirt, frost)
›››
in
Radar sensor on page 154. If it
still does not function, refer to a
Specialised workshop to have
the system inspected.  
Flashes
Within the operating
area of 5-30 km/h
(3-19 mph): The City
Safety Assist func-
tion has been
switched off manual-
ly using the button
 
››› Fig. 152.
Switch on the City Safety Assist
function manually using the
button
  ››› Fig. 152. Several warning and indication lamps should
light up f
or a f

ew seconds when the ignition
is switched on, signalling that the function is
being verified. They will switch off after a few
seconds. WARNING
If the warning lamps are ignored, the vehicle
ma y

stall in traffic, or may cause accidents
and severe injuries.
● Never ignore the warning lamps.
● Stop the vehicle safely as soon as possible. CAUTION
Failure to heed the warning lamps when they
appe ar m

ay result in faults in the vehicle. Radar sensor
Fig. 150
In the windscreen: City Safety Assist
f u
nction r

adar sensor. Fig. 151
Radar sensor detection area. A radar sensor on the windscreen
››
›
Fig. 150
allows the system to detect driving situations
in front of the vehicle.
Vehicles ahead can be detected up to a dis-
tance of about 10 m. »
153
Technical data
Advice
Operation
Emergencies
Safety

Operation
WARNING
The laser beam on the radar sensor can pro-
duce seriou s
injuries to the eyes.
● Never focus optical devices, e.g. a camera,
a micro
scope or a magnifying glass closer
than 100 mm from the radar sensor.
● Note that the laser beam can stay active
when the City
Safety Assist system is switch-
ed off or unavailable. The laser beam is not
visible to the human eye. CAUTION
If the windscreen is dirty or frosted in the
are a of

the radar sensor, e.g. due to rain, mist
or snow, the City Safety Assist system may
fail to operate as a result.
● Always keep the radar sensor area free of
dirt and fr
ost.
● Use a small brush to remove snow and a
de-icer spr
ay to remove ice. CAUTION
A damaged windscreen in the radar sensor
are a m

ay cause the City Safety Assist func-
tion to fail to operate.
● Replace the windscreen if it is scratched,
crac
ked or chipped by stones in the radar
sensor area. Only use a windscreen author-
ised by SEAT. Carrying out repairs is not per-
mitted (e.g. in the case of damage suffered in
an impact from a stone). ●
When rep l

acing the windscreen wipers, on-
ly use windscreen wipers authorised by SEAT.
● Do not paint the radar sensor area on the
winds
creen, or cover it with adhesives or oth-
er materials. Function
Fig. 152
In the lower part of the centre con-
so l
e: B

utton for the City Safety Assist func-
tion. Switching on and off the City Safety Assist
f
u
nction
● Pr

ess the ››› Fig. 152
button on the centre
console.
When the City Safety Assist function is
switched on, the control lamp   lights up
on the dash panel within the operational
range, i.e. for speeds between 5-30 km/h
(3-19 mph). Switch off the City Safety Assist function in
the fol

lowing situations
Switching off the City Safety Assist function is
recommended in the following situations
››› :
● While the vehicle is being towed.
● If the vehicle has been taken to an auto-
m atic
c

ar wash.
● If the vehicle is above a test bed.
● If the radar sensor is faulty.
● After the radar sensor has been involved in
a col
lision.
● When driving off road (overhanging branch-
es).
● If o

bjects are protruding above the bonnet,
e.g. a loa
d carried on the roof that signifi-
cantly protrudes over the front.
● If the windscreen is damaged in the radar
sensor are
a. WARNING
Failure to switch off the City Safety Assist
fu nction in the abo

ve situations may result in
accidents and serious injury.
● Switch off the City Safety Assist function in
critica
l situations.154

Operation
Hill driving assistant* Oper ation This function is only included in vehicles with
ESC.
The hi
l
l driving assistant helps the driver to
move off and upward on a hill when the vehi-
cle is stationary.
The system maintains brake pressure for ap-
proximately two seconds after the driver
takes his foot off the brake pedal to prevent
the vehicle from lurching backward when it is
started. During these 2 seconds, the driver
has enough time to release the clutch pedal
and accelerate without the vehicle moving
and without having to use the handbrake,
making start-up easier, more comfortable
and safer.
These are the basic operation conditions:
● being on a ramp or hill/slope,
● doors closed,
● vehicle completely stationary,
● engine running and foot on the brake,
● besides having a gear engaged or being in
neutral f

or manual gear change and with the
selector lever at positions S, D or R in vehi-
cles with an automatic gearbox.
This system is also active when reversing up-
hill. WARNING
● If y

ou do not start the vehicle immediately
after taking your foot off the brake pedal, the
vehicle may start to roll back under certain
conditions. Depress the brake pedal or use
the hand brake immediately.
● If the engine stalls, depress the brake ped-
al or u
se the hand brake immediately.
● When following a line of traffic uphill, if you
want t
o prevent the vehicle from rolling back
accidentally when starting off, hold the brake
pedal down for a few seconds before starting
off. Note
The Official Service or a specialist workshop
can t el

l you if your vehicle is equipped with
this system. Start-Stop System
C ontr
o

l lamps 
It lights up
The Start-Stop system is enabled. 
It lights up
The Start-Stop sys-
tem is enabled but
the engine cannot
be automatically
stopped.
Contact a specialised workshop.

It lights up
The Start-Stop sys-
tem cannot start the
engine.Start the engine by hand using
the vehicle's key
››› page 130.
There is a fault in the
alternator.››› page 193 
Flashes
The Start-Stop sys-
tem is not available.Contact a specialised workshop.
Some warning and indication lamps will light
up briefly
when the ignition i
s

switched on to
check certain functions. They will switch off
after a few seconds. WARNING
Observe the safety warnings ›››
in On the
ins trument
panel on page 27. 156

Advice
SEAT recommends the use of car washes
w ithout
bru
shes.
To remove traces of wax on windows and to
prevent wiper blades from scratching, please
observe the following ››› page 169, Cleaning
windows and exterior mirrors .
Washing the car by hand
When washing the car by hand, use plenty of
water to soften the dirt first, and rinse off as
well as possible.
Then clean the vehicle with a soft sponge,
glove or brush using only slight pressure.
Start at the roof and work downwards. Spe-
cial car shampoo should only be used for
very persistent dirt.
Rinse the sponge or glove thoroughly and of-
ten.
Wheels, sills and similar should be cleaned
last. Use a second sponge for this. WARNING
Sharp components on the vehicle may cause
injury .
● Pr

otect arms and hands from sharp edges
when cle
aning the vehicle undercarriage or
the interior of the wheel hubs. WARNING
After the vehicle has been washed, the brak-
ing eff ect

will be reduced (and the braking
distance increased) due to moisture (and ice
in winter) on the brakes.
● “Dry the brakes and remove ice” by braking
caref
ully. Ensure that you are not endanger-
ing other road-users or breaking traffic regu-
lations in the process. CAUTION
● The wat er t

emperature should not exceed
+60 °C (+140 °F).
● To avoid damage to the paintwork, do not
wash the
vehicle in full sun.
● Do not use rough sponges or similar which
coul
d damage the surface to clean away the
traces of insects.
● Never wipe the headlights with a dry cloth
or spong
e, always moisten first. It is best to
use soapy water.
● Washing the vehicle in low temperatures:
When washin
g the vehicle with a hose, do
not direct water into the lock cylinders or the
gaps around the doors or roof. Locks and
seals could freeze! CAUTION
To avoid any risk of damage to the vehicle,
pl e

ase check the following points before us-
ing an automatic car wash: ●
Comp ar

e the distance between the vehicle
wheels and the distance between the guide-
rails of the car wash to prevent damage to the
wheels and tyres!
● Switch off the rain sensor before taking the
vehicl
e to an automatic car wash.
● Compare the height and width of your vehi-
cle w
ith the available height and width when
entering and driving through the car wash.
● Fold in exterior mirrors Electrically retracta-
ble e
xterior mirrors must not be folded in or
out by hand. Always use the electrical power
control.
● To avoid damaging the bonnet paintwork,
res
t the windscreen wipers on the windscreen
after drying the wiper blades. Do not let them
fall!
● Lock the rear lid to prevent it from opening
unexpect
edly while inside the car wash. Washing the vehicle with a high pres-
s
ur
e c

leaner When cleaning the vehicle with a high-pres-
s
ur
e c

leaner, always follow the operating in-
structions for the equipment. Pay special at-
tention to the required pressure of the jet
and the distance between the jet and the ve-
hicle ››› .
K eep a s uit

able distance from soft materials,
such as rubber hoses or insulating material,
168

AdviceFlashes for about 10
secondsState of the barsPossible cause ››› Solution
and the segments
remaining a)Reserve zone (four small segments)The fuel tank is almost empty.
The reserve tank is being used
››› page 30.Refuel as soon as possible ››› .
–The vehicle is running in natural gas operating mode.–
a)
This only applies to vehicles with the fuel gauge on the dash panel display.
Several warning and indication lamps light
up for a few seconds when the ignition is
switched on, signalling that the function is
being verified. They will switch off after a few
seconds.
In natural gas engines
The warning lamp  lights up when both fuel
types (petrol and natural gas) have reached
reserve level.
The warning lamp  lights up when the vehi-
cle is running in natural gas operating mode.
The warning lamp  switches off when the
natural gas is exhausted. The engine
changes to operate with petrol.
Problem: if the vehicle is left parked for a
long time just after refuelling, the gas level
indicator does not accurately indicate the
same level shown after refuelling when the
vehicle is started up again. This is not due to
a leak in the system, but to a drop in pres-
sure in the gas tank for technical reasons af- ter a cooling phase immediately after refuel-
ling. WARNING
Driving with insufficient fuel reserve could re-
su lt

in the vehicle breaking down in traffic
and a serious accident.
● If the fuel level is too low then the fuel sup-
ply t
o the engine can become irregular espe-
cially on slopes.
● If the engine “is choked” or stalls due to
lack
of or irregularity of the fuel supply, the
power steering as well as all of the driver as-
sistance systems including braking assis-
tance will stop working.
● Always refuel when there is only one quar-
ter of the f
uel tank left to avoid running out of
fuel. CAUTION
● Alw a

ys pay attention to any lit control
lamps and to the corresponding descriptions and instructions to avoid damage to the vehi-
cl
e.
● Nev

er run the fuel tank completely dry. An
irregu
lar fuel supply may lead to ignition
faults and unburnt fuel could enter the ex-
haust system. This could damage the catalyt-
ic converter. Note
The arrow next to the fuel pump symbol on
the ins trument

panel ››› Fig. 163 indicates the
side of the vehicle on which the fuel tank flap
is located. 182

Checking and refilling levels
WARNING
Only change the engine oil yourself if you
hav e the s
pecialist knowledge required!
● Before opening the bonnet, read and ob-
serve the w
arnings ››› page 184.
● Wait for the engine to cool down. Hot oil
may
cause burn injuries.
● Wear eye protection to avoid injuries, such
as ac
id burns, caused by splashes of oil.
● When removing the oil drain plug with your
finger
s, keep your arm horizontal to help pre-
vent oil from running down your arm.
● Wash your skin thoroughly if it comes into
contact
with engine oil.
● Engine oil is poisonous! Used oil must be
stor
ed in a safe place out of the reach of chil-
dren. CAUTION
No additives should be used with engine oil.
This c

ould result in engine damage. Any dam-
age caused by the use of such additives
would not be covered by the factory warranty. For the sake of the environment
Before changing the engine oil, find a suita-
bl e loc

ation or service for proper disposal. For the sake of the environment
Always dispose of engine oil with the utmost
re s

pect for the environment. Never dispose of used engine oil in places such as a garden,
wood
s, dr

ains, roads, paths, rivers and drain-
age systems. Engine coolant
Introduction WARNING
Engine coolant is toxic!
● Only keep engine coolant in its original
c ont ainer

, tightly shut and in a safe place.
● Never store engine coolant in empty food
container
s or bottles as other people may ac-
cidentally drink it.
● Always keep engine coolant out of reach of
chil
dren.
● Ensure that the proportion of engine cool-
ant ad
ditive corresponds to the lowest out-
side temperature to which the vehicle will be
exposed.
● If the outside temperature is extremely low,
the engine coo
lant could freeze causing the
vehicle to stop. As this would also cause the
heating to stop working, vehicle occupants
without warm clothing could freeze. For the sake of the environment
Coolants and additives can contaminate the
env ir

onment. If any fluids are spilled, they should be collected and correctly disposed
of, w
ith r

espect to the environment. Coolant warning lamp
Several warning and indication lamps light
up for a f
ew sec

onds when the ignition is
switched on, signalling that the function is
being verified. They will switch off after a few
seconds. 
It lights up
Excessive engine
coolant tempera-
ture.
 Stop the vehicle!
Stop the vehicle safely as soon as
possible. Switch off the engine and
let it cool.
Insufficient en-
gine coolant lev-
el.  Stop the vehicle!
Check the engine coolant when the
engine has cooled and, if it is low,
refill with engine coolant
››› page 190.
Engine coolant
system faulty.  Do not drive any further.
Obtain professional assistance. 
Flashes
Engine coolant
system faulty.Seek specialist assistance.
WARNING
Observe the safety warnings ›››
in On the
ins trument
panel on page 27. » 189
Technical data
Advice
Operation
Emergencies
Safety

AdviceSymbolMeaning

A highly explosive mixture of gases is re-
leased when the battery is under charge.

Keep children away from acid and batter-
ies!
WARNING
Working on the vehicle battery and the elec-
trica l

system can cause corrosion, fire and
electric shocks. Always read and take into ac-
count the following warnings and safety
standards before carrying out any work:
● Before working on the battery, switch off
the engine, the ignition and al
l electrical de-
vices then disconnect the negative connec-
tion on the battery.
● Keep children away from acid and the bat-
tery
itself!
● Wear eye protection.
● Battery acid is very corrosive and caustic. It
can burn sk
in and cause blindness. When
handling the battery, protect yourself from
splashes of acids, above all your hands, arms
and face.
● Do not smoke and never work close to pla-
ces
exposed to flames or sparks.
● Avoid sparks and electrostatic discharges
when workin
g with cables and electrical devi-
ces.
● Never short the battery terminals. ●
Never u se a d

amaged battery. It can ex-
plode. Replace a damaged battery immedi-
ately.
● Replaced damaged or frozen batteries as
soon as po
ssible. A flat battery can also
freeze at temperatures close to 0 °C (+32 °F). CAUTION
● Nev er di s

connect the battery if the ignition
is switched on or if the engine is running.
This could damage the electrical system or
electronic components.
● Do not expose the battery to direct sunlight
over a lon
g period of time, as the intense ul-
traviolet radiation can damage the battery
housing.
● If the car is left standing for long periods,
protect
the battery from extreme cold temper-
ature so that it does not “freeze up” and be-
come damaged. Warning lamp

It lights up
Faulty generator.
Contact a specialised workshop.
Have the electrical system checked.
Disconnect any unnecessary elec-
trical devices. The generator does
not charge the battery while the ve-
hicle is in motion. Several warning and indication lamps light
up f
or a f
ew sec

onds when the ignition is
switched on, signalling that the function is
being verified. They will switch off after a few
seconds. WARNING
Observe the safety warnings ›››
in On the
ins trument
panel on page 27. Checking the electrolyte level of the
vehic
l

e battery Fig. 171
In the engine compartment: Remove
the c o
v

er from the vehicle's battery. The battery's electrolyte level should be
c
hec
k

ed regularly in high-mileage vehicles,
in hot countries and in older batteries. Other
batteries do not require maintenance.
Vehicles fitted with the Start-Stop system are
equipped with special batteries. For technical
194

Advice
Different control lamps may light up after
c onnectin
g the b
attery and switching the ig-
nition on. They will be turned off after a short
trip at a speed of between 15-20 km/h
(10-12 mph). If the warning indicators remain
lit, please visit a specialised workshop to
have the vehicle checked.
If the battery has been disconnected for a
long time, it is possible that the next service
date is not displayed or calculated correctly
››› page 86. Respect the maximum service in-
tervals permitted ››› Booklet Maintenance
Programme.
Automatic device disconnection
The intelligent vehicle electrical system auto-
matically implements a range of measures to
prevent the battery from discharging when
high demands are made on it:
● The idling speed is increased so that the al-
ternat
or provides more electricity.
● Where necessary, the power to the most
power
ful devices is reduced or even com-
pletely disconnected.
● On starting the engine, the power supply
from the 12-v
olt power sockets and the ciga-
rette lighter may be interrupted for a short
time.
The on-board management program cannot
always prevent the battery from running flat.
For example, if the ignition is left on for a long period with the engine off or if the side
lights or park

ing lights are left on while the
vehicle is stationary.
Why the battery runs flat:
● When stationary for a long time without
star
ting the engine, particularly if the ignition
is switched on.
● Use of electrical devices with the engine
switc
hed off. WARNING
Incorrectly securing the battery or using the
wron g b

attery can cause short-circuits, fire
and serious injuries.
● Always use only maintenance-free batter-
ies, prot
ected to prevent a leak, and whose
properties, specifications and size corre-
spond to the standard battery. WARNING
A highly explosive mixture of gases is re-
le a

sed when the battery is under charge.
● The batteries should be charged in a well-
ventil
ated room only.
● Never charge a frozen or recently thawed
batter
y. A flat battery can also freeze at tem-
peratures close to 0 °C (+32 °F).
● Always replace a battery which has frozen.
● Battery cables not correctly connected may
cause a shor
t circuit. Reconnect first the posi-
tive cable and then the negative cable. CAUTION
● Never di s

connect the battery if the ignition
is switched on or if the engine is running.
This could damage the electrical system or
electronic components.
● Never plug accessories that supply current,
such a
s solar panels or a battery charger, to
the 12-volt power socket or the cigarette
lighter. This could damage the vehicle's elec-
trical system. For the sake of the environment
Dispose of the battery in an environment-
friendly m anner

. Batteries contain toxic sub-
stances such as sulphuric acid and lead. For the sake of the environment
Battery acid can contaminate the environ-
ment. C o

llect any spilt service fluids and dis-
pose of them correctly. 196

Wheels and tyres
tyres wear too quickly, have the wheel align-
ment c
hec
ked at a specialised workshop. WARNING
If you notice unusual vibration or the car pulls
to one s ide whi

le driving, this may indicate
that one of the tyres is damaged.
● Reduce speed immediately and stop, while
obser
ving the highway code.
● Check the wheels and tyres for damage.
● Never carry on driving on worn tyres or
wheels. Reque
st qualified assistance immedi-
ately.
● If there is no visible exterior damage, drive
slowly
and carefully to the nearest special-
ised workshop and have the vehicle checked. Tyre monitor system* 
Fig. 175
Centre console: tyre monitor system
b utt
on The tyre control lamp compares wheel revolu-
tion
s
and w

ith it, the wheel diameter of each
wheel using the ESC. If the diameter of a
wheel changes, the tyre control lamp 
lights up. The wheel diameter changes when:
● Tyre pressure is insufficient.
● The tyre structure is damaged.
● The vehicle is unbalanced because of a
load.
● The wheel

s of one axle are under more
pres
sure (for example, driving with a trailer or
on steep slopes).
● The vehicle is fitted with snow chains.
● The temporary spare wheel is fitted.
● The wheel on one axle is changed.
Tyr
e pressure adjustment
On adjusting tyre pressure or changing one
or more wheels, the ››› Fig. 175 button must
be kept pressed down, with the ignition on,
until an acoustic signal is heard.
If the wheels are under excessive load (for ex-
ample, driving with a trailer or heavy load),
the tyre pressure must be increased to the
recommended value for a full load (see the
sticker on the inside of the fuel flap). If the
tyre monitor system button is pressed down,
the new tyre pressures are confirmed. The tyre pressure control lamp
 lights up
If
the tyre pressure of a wheel is much lower
than the value set by the driver, then the tyre
pressure control lamp ››› will light up.
WARNING
● When the tyr e pr

essure control lamp lights
up, reduce speed immediately and avoid any
sudden turning or braking manoeuvre. Stop
when possible, and check the tyre pressure
and status.
● The driver is responsible for maintaining
correct
tyre pressures. For this reason, tyre
pressure must be regularly checked.
● Under certain circumstances (e.g. when
driving in a s
porty manner, in winter condi-
tions or on a dirt track) the tyre control lamp
may light up belatedly or may function incor-
rectly. Note
If the battery is disconnected, the yellow
warnin g l

amp  lights up after turning the
ignition on. This should turn off after a brief
journey. 203
Technical data
Advice
Operation
Emergencies
Safety