2014 Seat Leon 5D warning

Driving
brakes. This could significantly reduce brak-
ing power, increase braking distance or even
result in the total failure of the brake system.
●
To avoid rolling back on gradients always
hold the vehicle with the footbrake or hand-
brake if you have to stop. CAUTION
● If you stop the vehicle on a gradient, do not
attempt to stop it from rolling by depressing
the accelerator when a gear has been selec-
ted. This could cause overheating and dam-
age the automatic gearbox. Apply the hand-
brake firmly or press the brake pedal in order
to prevent the vehicle from rolling back.
● If you allow the car to roll with the selector
lever in position N with the engine switched
off, the automatic gearbox will be damaged
as it will not be lubricated.
● In certain driving situations or traffic condi-
tions, such as frequently starting, prolonged
“creeping” of the vehicle or traffic jams with
continuous stoppages, the gearbox could
overheat causing damage! If the warning
lamp  lights up, stop the vehicle as soon as
possible and wait for the gearbox to cool
››› page 139
. Kick-down feature
The kick-down feature allows maximum ac-
celeration to be reached.
When the accelerator pedal is pressed right
down past the point of resistance at full throt-
tle, the gearbox will shift down to a lower
gear, depending on road speed and engine
speed. The upshift to the next higher gear is
delayed until the engine reaches maximum
rpm.
WARNING
Please note that if the road surface is slip-
pery or wet, the kick-down feature could
cause the driving wheels to spin, which could
result in skidding. Launch Control Programme
3 Valid for vehicles: with Launch-Control/6-Speed
DSG with diesel engines superior to 125 kW and
petrol engines superior to 140 kW.
The Launch control programme enables maxi-
mum acceleration.
Important: the engine must have reached op-
erating temperature and the steering wheel
must not be turned. The engine speed for launch-control is differ-
ent on petrol and diesel engines. To use the
launch-control you must disconnect the anti-
slip regulation (ASR) through the Easy Con-
nect system menu
››› page 81. The warning
lamp  will stay switched on or will flash
s
lowly depending on whether or not the vehi-
cle has a driver information system*.
On vehicles with the driver information sys-
tem, the ESC lamp lights up permanently and
the corresponding text message Stability con-
trol deactivated (temporary) appears on the
instrument panel to indicate the deactivation
status.
– When the engine is running, switch off the
traction control (ASR) 1)
.
– Turn the selector lever to the position “S”
or tiptronic, or else select the sport driving
mode from the SEAT Drive Profile*
››› page 169.
– Pre

ss the brake pedal firmly with your left
foot and hold it down for at least one sec-
ond.
– With your right foot, press the accelerator
down to the full throttle or kick-down posi-
tion. The engine speed will stabilise at
about 3,200 rpm (petrol engine) or about
2,000 rpm (diesel engine). »1)
Vehicles without driver information system: the
warning lamp flashes slowly/Vehicles with driver in-
formation system: the warning lamp stays on. 137
Technical specifications
Advice
Operation
Safety
The essentials

Operation
– Take your left foot off the brake pedal. WARNING
● Always adapt your driving style to the traf-
fic conditions.
● Only use the launch control programme
when road and traffic conditions permit, and
make sure your manner of driving and accel-
erating the vehicle does not inconvenience or
endanger other road users.
● Make sure that the ESC remains switched
on. Please note that when the ASR and ESC
are deactivated, the wheels may start to spin,
causing the vehicle to lose grip. Risk of acci-
dent!
● After putting the vehicle into gear, the
“sport” mode of the ESC should be deactiva-
ted again by briefly pressing the OFF but-
ton. Note
● After using the Launch control programme,
the temperature in the gearbox may have in-
creased considerably. In this case, the pro-
gramme could be disabled for several mi-
nutes. The programme can be used again af-
ter the cooling phase.
● Accelerating with the Launch control pro-
gramme places a heavy load on all parts of
the vehicle. This can result in increased wear
and tear. Downhill speed control*
The downhill speed control function helps
the driver when driving down steep gradi-
ents.
Downhill speed control is activated when the
selector lever is in D/S and the driver applies
the foot brake. The automatic gearbox auto-
matically engages a lower gear that is suita-
ble for the slope. The downhill speed control
function attempts to maintain the speed at
which the vehicle was travelling when the
foot brake was applied (subject to the laws of
physics and technical drive limitations). It
may be necessary to adjust the speed again
using the foot brake in certain situations. Giv-
en that the downhill speed control can only
change down to 3rd gear, on very steep de-
scents the tiptronic mode may be required. In
this case, manually reduce the tiptronic to
2nd or 1st gear to use the engine brake and
reduce the charge on the brakes.
Downhill speed control is deactivated as
soon as the road levels out again or you
press the accelerator pedal.
On vehicles with cruise control system*
››› page 150 , downhill speed control is acti-
v at
ed when you set a cruising speed. WARNING
The downhill speed control cannot defy the
laws of physics. Therefore, speed cannot be maintained constant in all situations. Always
be prepared to use the brakes!
Inertia mode
The inertia mode enables the kinetic energy
of the vehicle to be harnessed enabling cer-
tain stretches to be driven without using the
accelerator. This enables fuel to be saved.
Use the inertia mode to “let the vehicle roll”
before, for example, arriving in a town.
Switching on inertia mode
Important: selector lever must be in position
D, gradients below 12 %.
–
Select, in SEAT Drive Profile*, Eco mode
››› page 169 .
– Tak

e your foot off the accelerator.
The driver message Inertia will be displayed.
At speeds higher than 20 km/h (12 mph), the
gearbox will automatically disengage and the
vehicle will roll freely, without the effect of
the engine brake. While the vehicle rolls, the
engine runs at idling speed.
Stopping inertia mode
– Press the brake or the accelerator pedal.
To make use of the braking force and switch
off the engine again, simply press the brake
pedal briefly.
138

Driving
Applying both the inertia mode (= prolonged
section w ith l
ess energy) and the switching
off using inertia (= shorter section without
the need for fuel) facilitates improved fuel
consumption and emission balance. WARNING
● If the inertia mode has been switched on,
take into account, when approaching an ob-
stacle and releasing the accelerator pedal,
that the vehicle will not decelerate in the usu-
al manner: risk of accident!
● When using inertia mode while travelling
down hills, the vehicle can increase speed:
risk of accident!
● If other users drive your vehicle, warn them
about inertia mode. Note
● Inertia mode is only available in eco (SEAT
Drive Profile*) driving mode.
● The driver message Inertia is only displayed
w ith the c

urrent consumption. In inertia
mode the gear will no longer be displayed
(for example “E” will appear instead of “E7”).
● On downhill sections with gradients above
15 %, the inertia mode will automatically be
switched off temporarily. Backup programme
A backup programme is in place if a fault
should occur in the control system.
If all the positions of the selector lever are
shown over a light background on the instru-
ment panel display, there is a system fault
and the automatic gearbox will operate in
with the backup programme. When the back-
up programme is activated, it is possible to
drive the vehicle, however, at low speeds and
within a selected range of gears. In some ca-
ses
driving in reverse gear may not be possi-
ble . CAUTION
If the gearbox operates with the backup pro-
gramme, take the vehicle to a specialised
workshop and have the fault repaired without
delay. Clutch

Clutch overheating! Please stop!
The clutch has overheated and could be dam-
aged. Stop the vehicle and wait for the gear-
box to cool with the engine at idling speed
and the selector lever in position P. When the
warning lamp and the driver message switch
off, have the fault corrected by a specialised
workshop without delay. If the warning lamp
and the driver message do not switch off, do not continue driving. Seek specialist assis-
tance.
Faults in the gearbox 
Gearbox: Fault! Stop the vehicle and place
the lever in the position P.
There is a fault in the gearbox. Stop the vehi-
cle in a safe place and do not continue driv-
ing. Seek specialist assistance.  Gearbox: System fault! You may continue
driving.
Have the fault corrected by a specialised
workshop without delay.  Gearbox: System fault! You can continue
driving with restrictions. Reverse gear disa-
bled
Take the vehicle to a specialised workshop
and have the fault repaired without delay.  Gearbox: System fault! You can continue
driving in D until switching off the engine
Stop the vehicle in a safe place well away
from moving traffic. Seek specialist assis-
tance.  Gearbox: too hot. Adapt your driving ac-
cordingly
Continue driving at moderate speeds. When
the warning lamp switches off, you can con-
tinue driving in a normal manner. »
139
Technical specifications
Advice
Operation
Safety
The essentials

Driving
Exhaust gas filtration system Catalytic converter
Applies to vehicles with petrol engine:
the
vehicle must only be used with unleaded pet-
rol, otherwise the catalytic converter will be
irreparably damaged.
Never drive until the tank is empty; an irregu-
lar supply of fuel can cause faulty combus-
tion. In these cases, unburned fuel reaches
the exhaust system, which can overheat and
damage the catalytic converter.
Diesel particulate filter
Applies to vehicles with diesel engine: the
diesel engine particulate filter eliminates
most of the soot from the exhaust gas sys-
tem. Under normal driving conditions, the fil-
ter cleans itself. The diesel particulate filter is
cleaned automatically without need for indi-
cation by the warning lamp . This may be
noticed because the engine idle speed in-
creases and an odour may be detected.
If automatic filter purification cannot be car-
ried out (because only short trips are taken,
for example), soot will accumulate on the fil-
ter and the Diesel particulate filter warning
lamp will  switch on.
Facilitate the automatic filter cleaning proc-
ess by driving in the following manner: drive
for approximately 15 minutes at a minimum
speed of 60 km/h in 4th or 5th gear (auto- matic gearbox: gear S). Maintain the engine
speed at approximately 2,000 rpm. The rise
in temperature causes the soot on the filter
to burn. On completion of the cleaning the
warning lamp will switch off. If the warning
lamp does not switch off, go immediately to a
specialised workshop to rectify the problem.
WARNING
● Because of the high temperatures which
can occur in the exhaust gas control system
(catalytic converter or diesel particulate fil-
ter), do not park the vehicle where the ex-
haust can come into contact with flammable
materials under the car (e.g. on grass or at
the forest edge). Fire hazard!
● Do not apply wax underneath the vehicle
around the area of the exhaust system: Fire
hazard! Driving through flooded roads
To prevent damage to the vehicle when driv-
ing through water, for example, along a floo-
ded road, please observe the following:
● The water should never come above the
lower edge of the bodywork.
● Drive at pedestrian speed. WARNING
After driving through water, mud, sludge,
etc., the braking effect can be delayed slight-
ly due to moisture build-up on the discs and
brake pads. Applying the brakes carefully
several times will remove the moisture and
restore the full braking effect. CAUTION
● Driving through flooded areas may severely
damage vehicle components such as the en-
gine, transmission, running gear or electrical
system.
● Whenever driving through water, the Start-
Stop system* must be switched off
››› page 148. Note
● Check the depth of the water before enter-
ing the flooded zone.
● Do not stop in the water, drive in reverse, or
stop the engine in any situation.
● Note that vehicles travelling in the opposite
direction may splash water that could exceed
the maximum permitted water height for your
vehicle.
● Avoid driving through salt water (corro-
sion). 141Technical specifications
Advice
Operation
Safety
The essentials

Driver assistance systems
(2.5 miles), when fuel consumption will re-
turn to a normal level.
Check tyre pressure
Always make sure the tyres are inflated to the
correct pressures ››› page 208 to save fuel. If
the pr e
ssure is below half bar, fuel consump-
tion may increase by 5%. Due to the greater
rolling resistance, under-inflation
also increa-
ses tyre wear and impairs handling.
Do not use winter tyres all year round as they
increase fuel consumption by up to 10%.
Avoid carrying unnecessary loads
Given that every kilo of extra weight will in-
cr

ease the fuel consumption, it is advisable
to always check the luggage compartment to
make sure that no unnecessary loads are be-
ing transported.
Since the luggage rack increases the aerody-
namic drag of the vehicle, you should remove
it when not needed. This will save, at a speed
of 100-120 km/h (60-75 mph), 12% of fuel.
Save electrical energy
The engine drives the alternator, thereby gen-
erating electricity. This implies that any in-
crease in power consumption also increases
fuel consumption! For this reason, switch off
any unneeded electrical devices. Devices that
use a lot of electricity includes the blower at a high setting, the rear window heating or
the seat heating*. Driver assistance systems
Braking and stability systems Electronic Stability Control (ESC) The ESC helps to improve safety. It reduces
the tendency to skid and improves the stabil-
ity and roadholding of the vehicle. The ESC
detects critical handling situations, such as
vehicle understeer or oversteer, or wheelspin
on the driving wheels. It stabilises the vehi-
cle by braking individual wheels or by reduc-
ing the engine torque. The warning lamp will
flash on the instrument panel when the ESC
is intervening
.
ESC includes the Anti-lock brake system
(ABS), the brake assist system, the traction
control system (ASR), electronic differential
lock (EDL), electronic self-locking*, selective
torque control* and tractor-trailer sway miti-
gation*. ESC also helps stabilise the vehicle
by changing the torque.
Anti-lock brake system (ABS)
ABS prevents the wheels from locking up un-
der braking until the vehicle has reached a
virtual standstill. You can continue to steer
the vehicle even when the brakes are on full.
Keep your foot on the brake pedal and do not
pump the brakes. You will feel the brake ped-
al pulsate while the ABS is working. »
143
Technical specifications
Advice
Operation
Safety
The essentials

Operation
Brake assist system
The brake assist system can reduce the re-
quired braking distance. The braking force is
automatically boosted if you press the brake
pedal quickly in an emergency. You must
keep pressing the brake pedal until the dan-
ger has passed.
Traction control system (ASR)
In the event of wheelspin, the traction control
system reduces the engine torque to match
the amount of grip available. This helps the
car to start moving, accelerate or climb a gra-
dient.
Electronic differential lock (EDL)
When the EDL detects wheelspin, it brakes
the spinning wheel and directs the power to
the other driven wheel. This function is active
up to approximately 100 km/h.
To prevent the disc brake of the braked wheel
from overheating, the EDL cuts out automati-
cally if subjected to excessive loads. The ve-
hicle can still be driven. The EDL will switch
on again automatically when the brake has
cooled down.
Tractor-trailer sway mitigation*
If the vehicle is pulling a trailer, it will control
the following: Tractor-trailers tend to sway.
When the swaying of the trailer is felt by the
vehicle and detected by the ESC, it will auto- matically brake the towing vehicle within the
limits of the system and mitigate the sway.
Tractor-trailer sway mitigation is not available
in all countries.
Electronic self-locking*/Selective torque
control*
When driving around bends, an electronic
self-locking intervenes. The front wheel on
the inside of the curve, or the two inside
wheels, respectively, are selectively braked
as required. This minimises the traction of
the front wheels, allowing you to take bends
with greater precision and neutrality. In cer-
tain circumstances, where roads are wet or
snow-covered, the respective system may not
intervene.
Multi-collision brake
In an accident, the multi-collision brake can
help the driver by braking to avoid the risk of
skidding during the accident, which could
lead to further collisions.
The multi-collision brake works for front, side
or rear accidents, when the airbag control
unit records its activation level and the acci-
dent takes place at a speed of over 10 km/h
(6 mph). The ESC automatically brakes the
vehicle, as long as the accident has not dam-
aged the ESC, the brake hydraulics or the on-
board network.
The following actions control automatic brak-
ing during the accident:
●
When the driver presses the accelerator,
the automatic braking does not take place.
● When the braking pressure through press-
ing the brake pedal is greater than the sys-
tem’s braking pressure the vehicle will brake
automatically.
● Multi-collision braking will not be available
if ESC is malfunctioning. WARNING
● The ESC, ABS, ASR, EDL, electronic self-
locking differential or selective torque control
systems cannot exceed the limits imposed by
the laws of physics. Always bear this in mind,
especially on wet or slippery roads. If you no-
tice the systems cutting in, you should re-
duce your speed immediately to suit the road
and traffic conditions. Do not be encouraged
to take risks by the presence of more safety
systems. If you do, an accident may occur.
● Please remember that the accident risk al-
ways increases if you drive fast, especially in
corners or on a slippery road, or if you follow
too close behind the vehicle in front of you.
The ESC, ABS, brake assist, EDL, electronic
self-locking and selective torque control sys-
tems cannot prevent accidents: risk of acci-
dents! 144

Driver assistance systems
●
Accelerate with caution on slippery surfa-
ces (for example, icy or snow-covered). De-
spite the control systems, the driven wheels
could spin, affecting the stability of the vehi-
cle: risk of accident! Note
● The ABS and ASR will only operate correctly
if the four wheels have identical tyres. Any
differences in the rolling radius of the tyres
can cause the system to reduce engine power
when this is not desired.
● The regulating processes of the systems
can make noises when they intervene.
● If the warning lamp  lights up, or  alter-
natively, there could be a fault ››› page 71. Switching on/off the ESC and ASR
Fig. 146
Centre console: Button for switching
on/off the ESC and ASR The ESC is switched on automatically when
the engine is started, and only works when
the engine is running and includes the ABS,
EDS and ASR systems.
The ASR and ESC function should only be
switched off in situations in which traction is
insufficient, among others:
●
When driving in deep snow or on surfaces
that are not very firm.
● To “free” the vehicle if it gets stuck.
Then switch the ASR and ESC function back
on.
Depending on finishes and versions, it is
possible either to disconnect only the ASR or
else activate ESC Sport mode.
ESC in “Sport” mode
Sport mode can be connected via the Easy
Connect ››› page 81 system menu. The ability
of the E
SC to stabilise the vehicle is limited;
the traction control system (ASR) becomes
disabled ››› .
The control lamp  lights up. For vehicles
with a driver information system*, the driver
will be shown the electronic stability control
(ESC) option: sport. Warning! Limited stability.
Disable ESC “Sport” mode
Through the Easy Connect system menu
››› page 81 . The warning lamp
 w
i
ll switchoff. For vehicles with a driver information sys-
tem*, the driver will be shown the
electronic
stability control (ESC) option: on.
Disable ASR
The Easy Connect system is used to switch off
the ASR ››› page 81. The traction control sys-
tem w

ill be disabled.
The control lamp  lights up. For vehicles
with a driver information system* the driver
will be informed that ASR is disabled.
Activate ASR
The Easy Connect system ››› page 81 is used
to switch on the ASR. The traction control sys-
tem will be enabled.
The control lamp  switches off. For vehicles
with a driver information system* the driver
will be informed that ASR is enabled.
Disconnection of the ESC
In some versions of the model, besides the
traction control system (ASR), the electronic
stability programme (ESC) can also be
switched off.
● Press the button  ››› Fig. 146 for approxi-
mat

ely 1 second to switch off the ASR func-
tion.
● Press the button  ››› Fig. 146
for approxi-
mately 3 seconds to switch off the Electronic »
145
Technical specifications
Advice
Operation
Safety
The essentials

Operation
Stability programme (ESC), including the ASR
function.
● The ASR and ESC function are reconnected
by pressing the button 
›
›› Fig. 146.
● OR
: activate or deactivate the ASR or ESC
function in the Easy Connect system by
means of the button  and the function
buttons Setup and
ESC System .
WARNING
You should switch on the ESC Sport mode on-
ly if the traffic conditions and your driving
ability allow you to do so safely: risk of skid-
ding!
● With ESC in Sport mode, the stabilising
function will be limited to allow for a sportier
drive. The driving wheels could spin and the
vehicle could skid.
● If the ESC/ASR is deactivated, the vehicle
stabilisation function is not available. Note
If the ASR is disconnected or the ESC’s Sport
mode is selected, cruise control* will be
switched off. Brakes
New brake pads
For the first 400 km (250 miles), new brake
pads have not yet reached their maximum braking capacity, and need to be “run in”
first. However, you can compensate for the
slightly reduced braking effect by applying
more pressure on the brake pedal. Avoid
overloading the brakes while running them
in.
Wear
The rate of wear on the
brake pads depends
a great deal on how you drive and the condi-
tions in which the vehicle is operated. This is
a particular problem in urban traffic and
short stretches, or with very sporty driving.
Depending on the speed, the braking force,
and the environmental conditions (for exam-
ple, the temperature, air humidity, etc.)
noises may be produced on braking.
Wet roads or road salt
In certain situations (for example, on driving
through flooded areas, in severe downpours
or after washing the vehicle) the braking ac-
tion could be delayed if the discs and pads
are damp, or frozen in winter. In this case the
brakes should be “dried” by pressing the
brake pedal several times.
At high speed and with the windscreen wip-
ers activated, the brake pads will briefly
touch the brake discs. This takes place, al-
though unnoticeable to the driver, at regular
intervals to improve the response time of the
brakes when they are wet. The effectiveness of the brakes can also be
temporarily reduced if the vehicle is driven
for some distance without using the brakes
when there is a lot of salt on the road in win-
ter. The layer of salt that accumulates on the
discs and pads can be removed by gently ap-
plying the brakes a few times.
Corrosion
There may be a tendency for corrosion to
form on the discs and dirt to build up on the
brake pads if the vehicle is used infrequently
or the brakes are not used very often.
If the brakes are not used frequently, or if
rust has formed on the disks, it is advisable
to clean off the pads and disks by braking
firmly a few times at a moderately high speed
››› .
Fault in the brake system
If the brake pedal travel should ever increase
suddenly , this may mean that one of the two
br ak

e circuits has failed. Drive immediately
to the nearest specialised workshop and
have the fault repaired. Drive there slowly
and remember that you will have to apply
more pressure on the brake pedal and allow
for longer stopping distances.
146