2017 Seat Mii warning

Operation
● If the g
e
ar is changed with the manual
gearbox.
● 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.
● It is dangerous to use a set speed which is
too high for the pr
evailing road, traffic or
weather conditions.
● When travelling down hills, the CCS cannot
maintain a c
onstant speed. The vehicle tends
to accelerate under its own weight. Select a
lower gear or use the foot brake to slow the
vehicle. Safety Assist* (City Safety As-
s
i
s

t function)
Introduction The City Safety Assist function covers driving
sit
uation

s at a distance of about 10 metres in
front of the vehicle, in a speed range of ap-
proximately 5-30 km/h (3-19 mph).
When the system detects a possible collision
with a vehicle in front, the vehicle prepares
for a possible emergency braking ››› .
If the driv
er doe

s not react to an imminent
collision, the system can automatically brake
the vehicle in order to reduce speed faced
with a possible collision. The system can
help to reduce the consequences of an acci-
dent.
If the City Safety Assist function determines
that the driver has braked insufficiently when
faced with an imminent collision, the system
can increase the brake force in order to re-
duce speed. The system can help to reduce
the consequences of an accident. WARNING
The smart technology in the City Safety As-
si s

t system cannot change the limits imposed
by the laws of physics and by the system it-
self. The increased convenience offered by
the City Safety Assist system should never
prompt you to take risks. The driver always assumes the responsibility of braking in
time.
●
The City Safety Assist function cannot pre-
vent ac

cidents or serious injury by itself.
● The City Safety Assist system may carry out
unw
anted brake interventions in complex
driving situations e.g. when a vehicle crosses
at a short distance. WARNING
Relying on the City Safety Assist system in
c ity driv

ing as part of one's driving behaviour
may cause accidents and serious injury. The
system is not a replacement for driver aware-
ness.
● 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.
● The City Safety Assist function does not re-
act to peop
le, animals or vehicles that cross
or move in the opposite direction in the same
lane.
● If after switching on the City Safety Assist
function the
vehicle begins to move, slow the
vehicle with the foot brake. CAUTION
If you suspect that the City Safety Assist la-
ser sensor i s

damaged, switch it off. This will
avoid additional damage. 156

Driver assistance systems
●
Any r
eparation of the laser sensor requires
specialist knowledge. SEAT recommends tak-
ing your car in for technical service. Note
● If the C ity

Safety Assist function activates a
brake, the brake pedal range is reduced. This
makes the brake pedal seem “harder”.
● Automatic brake intervention by the City
Safety As
sist function can be cancelled by
pressing the clutch pedal, the accelerator
pedal or by a corrective intervention.
● During automatic braking by the City Safety
Assi
st function you may hear unusual noises.
This is normal and is produced in the brake
system. Warning and control lamp
The City Safety Assist function is switched on
ev
er
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. 155.
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
laser sensor (dirt, frost)
›››
in
Laser sensor on page 158. 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. 155.
Switch on the City Safety Assist
function manually using the
  button ››› Fig. 155. Several warning and control lamps should
light
up f
or a f

ew seconds when the ignition is switched on, signalling that the function is
being v

erified. 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. 157
Technical data
Advice
Operation
Emergencies
Safety

Operation
Laser sensor Fig. 153
In the windscreen: laser sensor for
the C ity

Safety Assist function. Fig. 154
Laser sensor detection area. A laser sensor on the windscreen
››
›
Fig. 153
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. WARNING
The laser beam on the sensor can produce se-
rious injurie

s to the eyes.
● Never focus optical devices, e.g. a camera,
a micro
scope or a magnifying glass closer
than 100 mm from the laser 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 laser sensor, e.g. due to rain, mist
or snow, the City Safety Assist system may
fail to operate as a result.
● Always keep the laser sensor area free of
dirt and ic
e.
● Use a small brush to remove snow and a
de-icer spr
ay to remove ice. CAUTION
A damaged windscreen in the laser sensor
are a m

ay cause the City Safety Assist func-
tion to stop working.
● Replace the windscreen if it is scratched,
crac
ked or chipped by stones in the laser sen-
sor area. Only use a windscreen authorised
by SEAT. Carrying out repairs is not permitted
(e.g. in the case of damage suffered in an im-
pact from a stone). ●
When rep l

acing the windscreen wipers, on-
ly use windscreen wipers authorised by SEAT.
● Do not paint the laser sensor area on the
winds
creen or cover it with adhesives or oth-
er materials. Function
Fig. 155
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. 155
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).
158

Driver assistance systems
Switch off the City Safety Assist function in
the f o
l
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 laser sensor is faulty.
● After the laser 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 laser
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. Special driving situations
Fig. 156
A: Vehicle on a bend. B: Motorcyclist
driv in
g ahe

ad out of range of the laser sen-
sor. Fig. 157
Other vehicles changing lanes The City Safety Assist function is limited by
the l
a
w

s of physics and by the nature of the
system itself. For this reason, this may pro-
duce reactions from the City Safety Assist
system in certain circumstances that are late
or unexpected by the driver. For this reason,
always pay due attention and if necessary, in-
tervene.
For example, the following driving situations
require special attention:
Driving through a bend
When entering or leaving a “long” bend, the
vehicle may decelerate when the laser sensor
detects a vehicle travelling in the opposite
lane ››› Fig. 156 A. To interrupt deceleration
you can accelerate, turn the steering wheel or
press the clutch.
Narrow vehicles in front
The laser sensor will only detect narrow vehi-
cles in front if they are in the sensor's detec-
tion zone ››› Fig. 156 B. This applies especial-
ly to narrow vehicles such as motorbikes.
Other vehicles changing lanes
Vehicles moving into your lane in close prox-
imity can cause unexpected braking from the
City Safety Assist system ›››
Fig. 157. To inter-
rupt deceleration you can accelerate, turn the
steering wheel or press the clutch. »
159
Technical data
Advice
Operation
Emergencies
Safety

Operation
Possible malfunction in the laser sensor
If l
a
ser sensor operation is impaired, for ex-
ample due to heavy rain, mist, snow or dirt,
the City Safety Assist system function is tem-
porarily switched off. On the instrument pan-
el display the control lamp  flashes.
When the fault in the laser sensor has been
rectified, the City Safety Assist system func-
tion automatically becomes available again.
The control lamp  switches off.
The following conditions could prevent the
City Safety Assist system from functioning:
● Tight bends.
● Accelerator pressed all the way down to the
floor.
● If the C

ity Safety Assist system is switched
off or there i
s a fault ››› page 157.
● If the laser sensor is dirty, covered or over-
heated ›

›› page 158.
● In the event of snow, heavy rain or dense
fog.
● If ther

e are vehicles in front.
● Vehicles changing lanes.
● Vehicles moving in the opposite direction
in the same lane.
● V

ery dirty vehicles with a low degree of re-
flection.
● Pre

sence of thick dust. Hill driving assistant*
Operation 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.
160

Driver assistance systems
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 133.
There is a fault in the
alternator.››› page 196 
Flashes
The Start-Stop sys-
tem is not available.Contact a specialised workshop.
Some warning and control 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 26. Start-Stop system
Fig. 158
At the top of the centre console:
St ar
t

-Stop system button. With the Start-Stop system enabled, the en-
gine i
s
aut

omatically stopped when the vehi-
cle is at a standstill. It will start again auto-
matically as required.
This function remains enabled while the igni-
tion is switched on. The instrument panel dis-
play shows information on the current status
››› page 160.
Disconnect the Start-Stop system by hand
whenever crossing water.
Vehicles with a manual gearbox
● When the vehicle is stopped, put it into
neutral and r
elease the clutch pedal. The en-
gine will stop.
● To restart, simply engage the clutch. Vehicles with an automatic gearbox
●
When the vehicle is at a standstill, depress
the brake or k
eep it pressed down. The en-
gine switches off.
● The engine will start again as soon as you
rele
ase the brake pedal.
● With the selector lever set to position N,
the engine wi
ll not start until a range of gears
is selected or the accelerator pedal is de-
pressed.
Important conditions for the engine to stop
automatically
● The driver's seat belt must be fastened.
● The driver door must be closed.
● The bonnet must be closed.
● The engine must have reached a minimum
temperat
ure.
● The vehicle must have moved since the last
time the engine wa
s stopped.
● The vehicle's battery must be sufficiently
char
ged.
● The battery temperature must not be too
low or too high.
● The

vehicle must not be on a very steep
slope. »
161
Technical data
Advice
Operation
Emergencies
Safety

Operation
Conditions for the engine to restart automat-
ic a
l
ly
The engine can be automatically restarted in
the following cases:
● If the vehicle starts to moves.
● If the battery voltage drops.
Conditions
requiring engine start-up using
the key
The engine has to be manually started in the
following cases:
● If the driver unbuckles his/her seat belt.
● If the driver door is opened.
● If the bonnet is opened.
Switc
hing the Start-Stop system on and off
● Press the button  situat
ed in the centre
console ››› Fig. 158.
● The button will light up when the Start-Stop
syst
em is switched off.
The engine will start immediately if the vehi-
cle is in Stop mode when the system is
switched off by hand. WARNING
The smart technology included in the hill
hol d c

annot change the laws of physics. Do
not let the extra convenience afforded by the hill hold tempt you into taking any risks
when drivin
g.
● An

y accidental movement of the vehicle
coul
d result in serious injury.
● The hill hold is not a replacement for driver
awar
eness.
● Adjust your speed and driving style to visi-
bility
, weather, road and traffic conditions.
● The hill hold cannot always keep the vehi-
cle at
a standstill on a slope or brake suffi-
ciently when travelling downhill (e.g. on slip-
pery or frozen surfaces). WARNING
The brake servo and the electromechanical
st eerin

g do not work when the engine is
switched off.
● The vehicle must never be allowed to move
with the engine sw
itched off.
● Disconnect the Start-Stop system before
workin
g in the engine compartment. CAUTION
The vehicle's battery could be damaged if the
vehic l

e is used for long periods at very high
outside temperatures. Note
In some cases, it may be necessary to start
the engine b y

hand using the key. Refer to the corresponding control lamp on the instru-
ment p
anel

.162

Towing bracket device
Towing bracket device
Driv in
g w
ith a trailer
Information on driving with a trailer The vehicle is
not certified f
or trailer cou-
pling. The vehicle is not factory-equipped
with a towing bracket, nor is it possible to ret-
rofit it. WARNING
Installing a towing bracket on the vehicle
ma y

cause accidents and serious injuries
while operating the vehicle.
● Never install a towing bracket on the vehi-
cle.
● The tr

ailer may be released from the vehicle
when the vehic
le is moving. CAUTION
Any type of towing bracket installed on the
vehic l

e can cause serious and costly damage
that are not covered under the SEAT guaran-
tee. 163
Technical data
Advice
Operation
Emergencies
Safety