2012 Seat Leon 5D Owner's manual

168Driver assistance systems
Travelling 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 control system (CCS) is switched off automatically or temporarily:
● If the system detects a fault that could affect the working order of the
CCS.
● If you press and maintain the accelerator pedal for a certain time, driv-
ing faster than the stored speed.
● If the dynamic driving control systems intervene (i.e. ASR or ESC).
● If the airbag is triggered. 
Lane Assist system* Introduction
Additional information and warnings:
● SEAT information system ⇒  page 73
● Accessories, parts replacement, repairs and modifications ⇒ page 230
WARNING
The intelligent technology in the Lane Assist system cannot change the
limits imposed by the laws of physics and by the very nature of the sys-
tem. Careless or uncontrolled use of the Lane Assist system may cause
accidents and injury. The system is not a replacement for driver aware-
ness.
● Always adapt your speed and the distance to the vehicles ahead in
line with visibility, weather conditions, the condition of the road and the
traffic situation.
● Always keep your hands on the steering wheel so it can be turned at
any time.
● The Lane Assist system does not detect all road markings. The road
surfaces, road structures or objects in poor condition can be incorrectly
detected as road markings under certain circumstances by the Lane As-
sist system. In such situations, switch the Lane Assist system off imme-
diately.
● Please observe the indications on the instrument panel and act as is
necessary.
● Always pay attention to the vehicle's surroundings.
● When the area of vision of the camera becomes dirty, covered or is
damaged, the Lane Assist system function can be affected.
CAUTION
In order to avoid influencing the operation of the system, the following
points must be taken into account:
● Regularly clean the area of vision of the camera and keep it in a clean
state, without snow or ice.
● Do not cover the area of vision of the camera.
● Check that the area of vision of the windscreen camera is not damaged. 

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Driver assistance systems
Note
● The Lane Assist system has been exclusively developed for driving on
paved roads only.
● If the Lane Assist system does not work as described in this chapter, do
not use it and contact a specialised workshop.
● If there is a fault in the system, have it checked by a specialised work-
shop. 
Indication on the display and warning lamps
Fig. 97 On the instrument panel display: Indication on the Lane Assist system display
(example 1)
Fig. 98 On the instrument panel display: Indication on the Lane Assist system display
(example 2) Indications on the display The system is active, but not available, either because the minimum
speed has not been reached or because the lane lines are not recog-
nised ⇒ Fig. 97 .
The system is active and available, both lane lines are recognised. The
steering angle is not being corrected at this moment ⇒ Fig. 97 .
The system is operational, a yellow line A
indicates that there was a
risk of involuntarily crossing the lane line and that the steering is being
adjusted to correct the angle ⇒ Fig. 98 .
Two yellow lines A
light up simultaneously when both lane lines are
recognised and the Lane Assist function is active ⇒ Fig. 98 .
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170Driver assistance systems
Control lamps
flashes or
lights upPossible causeSolution

(yellow)Lane Assist active but
not available.The system can not accurately recog-
nise the lane. Please see page 170,
The Lane Assist system is not availa-
ble (the control lamp is lit up yellow).

(green)Lane Assist system ac-
tive and available._
Several warning and control lamps light up for a few seconds when the igni-
tion is switched on while the function is verified. They will switch off after a
few seconds.
WARNING
If the warning lamps and messages are ignored, the vehicle may stall in
traffic, or may cause accidents and severe injuries.
● Never ignore the warning lamps or text messages.
● Stop the vehicle safely as soon as possible.
Note
Failure to heed the control lamps and text messages when they appear may
result in faults in the vehicle. Operating mode
Fig. 99 In the wind-
screen: Field of vision of
the Lane Assist system
camera
Using the camera located in the windscreen, the Lane Assist system detects
the possible lines dividing the lanes. When the vehicle involuntarily ap-
proaches a dividing line it has detected, the system notifies the driver with
a corrective steering movement . The corrective steering movement can be
overruled at any moment.
No warning is produced with the turn signals activated, given that the Lane
Assist system understands that a lane change is required.
Steering wheel vibration
The following situations cause vibration in the steering wheel and require
the driver to take active control of driving:
● When the limits of the very nature of the system are reached.
● When the maximum rotational torque during the corrective steering
movement is not enough to keep the vehicle inside the lane.
● When no lane is detected during the corrective steering movement. 

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Driver assistance systems
Switching the Lane Assist system on or off
● The Assistants menu ⇒ page 77 drops down in the instrument panel by
pressing the Assistants button on the turn signal lever or by operating the
menu in the multifunction steering wheel.
● OR: by pressing the OK
button on the steering wheel the
⇒ page 77
function is activated/deactivated.
● The Lane centring guide is activated/deactivated in the Easy Connect
system using the CAR
button and the button on the Setup function
⇒ page 79.
Self-deactivation: The Lane Assist system can be automatically deactivated
if there is a system malfunction. The control lamp disappears.
Hands-Off Function
● If the driver does not exert any physical action on the steering wheel for
about 10 to 12 sec. the function deactivates.
● Visual and audible warnings on the instrument panel.
● The function switches off 2 seconds after the warning.
The Lane Assist system is active but it is not available (the control lamp is
lit up yellow)
● When driving at speeds below 65 km/h (38 mph).
● When the Lane Assist system does not detect the dividing lines of the
road. For example, in the event warnings indicating road works, and snow,
dirt, moisture or reflections.
● When the radius of a curve is too small.
● When no road markings can be seen.
● When the distance to the next marking to too great.
● When the system does not detect any clear and active steering move-
ment during a long period of time.
● Temporarily, in the event of very dynamic driving styles.
● If a turn signal is activated.
● With the stability control system ESC in Sport mode.
Note
● Before starting a journey, verify that the field of vision of the camera is
not covered ⇒ Fig. 99.
● Always keep the field of vision of the camera clean. 
Switching off the Lane Assist system in the following
situations
Due to the limits of the Lane Assist system, switch it off in the following sit-
uations:
● When more attention is required of the driver
● When driving in a sporty style
● In unfavourable weather conditions
● On roads in poor condition
● In areas of road works
Note
The Lane Assist system deactivates when driving below 60 km/h (40 mph). 
SEAT Drive Modes* Introduction
SEAT Drive Mode enables the driver to choose between four profiles or
modes, normal, sport, eco and individual , that modify the behaviour of vari-
ous vehicle functions, providing different driving experiences. 
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172Driver assistance systems
The profiles, normal, sport and eco are fixed. Individual can be configured
according to personal preferences. 
Description
Depending on the equipment fitted in the vehicle, SEAT Drive Mode can op-
erate on the following functions:
Engine
Depending on the profile selected, the engine responds more spontaneous-
ly or more in harmony with the movements of the accelerator. Additionally,
when eco mode is selected, the Start-stop function is automatically activa-
ted.
In vehicles with DQ transmission, the gear change points are modified to
position them in lower engine speed ranges ( eco) or higher (sport). Addi-
tionally, eco mode activates the Inertia function, enabling the consumption
to be further reduced.
In manual vehicles, eco mode causes the gear recommendation indications
that appear on the instrument panel to vary, facilitating more efficient driv-
ing.
Steering
Power steering becomes more robust in sport mode to enable a more sporty
driving style.
Air conditioning
In vehicles with Climatronic, this can operate in eco mode, especially re-
stricting fuel consumption.
Ambient lighting
The ambient lighting guides located in the interior front door panels of the
Leon FR change colour from white to red when sport mode is activated. Setting driving mode
You can select from Normal, Sport, Eco and Individual.
Fig. 100 Centre console:
MODE button
The required mode can be selected on the touch screen, in the menu that
opens when the MODE button is pressed.
An icon on the Easy Connect system display informs about the active mode.
The MODE button light remains lit up yellow when the active mode is differ- ent to normal.
Driving pro-
fileCharacteristics
NormalOffers a balanced driving experience, suitable for everyday
use.
SportProvides a complete dynamic performance in the vehicle, en-
abling the user a more sporty driving style. 

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Driver assistance systems
Driving pro-
fileCharacteristics
EcoPlaces the vehicle in a particularly low state of consumption,
facilitating a fuel-saving driving style that is respectful to the
environment.
IndividualEnables some configurations to be modified by pressing the
Profile settings button. The functions that can be adjusted
depend on the equipment fitted in the vehicle.
WARNING
When operating SEAT Drive Mode, pay attention to all traffic. Doing oth-
erwise could cause an accident.
Note
● The vehicle will start in the mode that was selected at the moment it was
switched off.
● Changing modes can alter vehicle handling. The SEAT Drive Mode func-
tion does not allow configurations that compromise safety under any cir-
cumstances.
● Your speed and driving style must always be adjusted to visibility,
weather, and traffic conditions.
● The eco mode is not available when towing a trailer. Tiredness detection (break
recommendation)*
Introduction
The Tiredness detection informs the driver when their driving behaviour
shows signs of fatigue.
Additional information and warnings:
● Easy Connect system ⇒ page 79
● Accessories, change a part, repairs and adjustments (information stored
in the control units) ⇒ page 230
WARNING
Do not let the comfort afforded by the Tiredness detection system tempt
you into taking any risks when driving. Take regular breaks, sufficient in
length when making long journeys.
● The driver always assumes the responsibility of driving to their full
capacity.
● Never drive if you are tired.
● The system does not detect the tiredness of the driver in all circum-
stances. Consult the information in the section ⇒ page 174, System limi-
tations.
● In some situations the system may incorrectly interpret an intended
driving manoeuvre as driver tiredness.
● No warning is given in the event of the effect called microsleep!
● Please observe the indications on the instrument panel and act as is
necessary. 
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174Driver assistance systems
Note
● Tiredness detection has been developed for driving on motorways and
well paved roads only.
● If there is a fault in the system, have it checked by a specialised work-
shop. 
Function and operation
Fig. 101 On the instru-
ment panel display:
Tiredness detection sym-
bol
Tiredness detection determines the driving behaviour of the driver when
starting a journey, making a calculation of tiredness. This is constantly com-
pared with the current driving behaviour. If the system detects that the driv-
er is tired, an audible warning is given with a sound and an optic warning is
shown with a symbol and complementary message on the instrument panel
display ⇒ Fig. 101. The message on the instrument panel display is shown
for about 5 seconds, and depending on the case, is repeated. The system
stores the last message displayed.
The message on the instrument panel display can be switched off by press-
ing the 
button on the windscreen wiper lever or the button  on the
multi function steering wheel ⇒ page 73. The message can be recalled to the instrument panel display using the mul-
tifunction display
⇒ page 73.
Conditions of operation
Driving behaviour is only calculated on speeds above about 65 km/h (40
mph) up to around 200 km/h (125 mph).
Switching on and off
Tiredness detection can be activated or deactivated in the Easy Connect
system with the button 
and the function button  ⇒ 
page 79. A mark
indicates that the adjustment has been activated.
System limitations
The Tiredness detection has certain limitations inherent to the system. The
following conditions can limit the Tiredness detection or prevent it from
functioning.
● At speeds below 65 km/h (40 mph)
● At speeds above 200 km/h (125 mph)
● When cornering
● On roads in poor condition
● In unfavourable weather conditions
● When a sporty driving style is employed
● In the event of a serious distraction to the driver
Tiredness detection will be restored when the vehicle is stopped for more
than 15 minutes, when the ignition is switched off or when the driver has
unbuckled their seat belt and opened the door.
In the event of slow driving during a long period of time (below 65 km/h (40
mph) the system automatically re-establishes the tiredness calculation.
When driving at a faster speed the driving behaviour will be recalculated. 

175
Driver assistance systems
Tyre monitoring systems Introduction
Additional information and warnings:
● SEAT information system ⇒  page 73
● Caring for and cleaning the vehicle exterior ⇒ page 198
● Wheels and tyres ⇒ page 223
● Accessories, parts replacement, repairs and modifications ⇒ page 230
WARNING
Unsuitable handling of the wheels and tyres may lead to sudden tyre
pressure losses, to tread separation or even to a blow-out.
● Check tyre pressures regularly and ensure they are maintained at the
pressures indicated. Tyre pressure that is too low could cause overheat-
ing, resulting in tread detachment or even burst tyres.
● Tyre pressure should be that indicated on the label when the tyres are
cold at all times ⇒ page 266.
● Regularly check the cold inflation pressure of the tyres. If necessary,
change the tyre pressure of the vehicle tyres while they are cold.
● Regularly check your tyres for damage and wear.
● Never exceed the maximum permitted speed or loads specified for the
type of tyre fitted on your vehicle.
For the sake of the environment
Under-inflated tyres lead to increased fuel consumption and tyre wear.
Note
● Driving for the first time with new tyres at a high speed can cause them
to slightly expand, which could then produce an air pressure warning.
● Only replace used tyres with those authorised by SEAT for the corre-
sponding type vehicle.
● Do not only rely on the tyre monitoring system. Regularly check your
tyres to ensure that the tyre pressure is correct and that the tyres are not
damaged due to puncture, cuts, tears and impacts/dents. Remove objects
from the tyres only when they have not pierced the tyres. 
Tyre monitor indicator warning lamp
lights upPossible causeSolution

The pressure in one or more
tyres has clearly reduced in
comparison to the tyre pres-
sure set by the driver or the
tyre has structural damage.
Additionally, an audible
warning can be heard and a
text message can be seen on
the instrument panel display. Stop the vehicle! Reduce
speed immediately! Stop the
vehicle safely as soon as
possible. Avoid sudden ma-
noeuvres and braking! Check
all tyres and pressures. Re-
place any damaged tyres.
flashesPossible causeSolution

System malfunction. The
control lamp flashes for
about one minute and then
lights up permanently.
If the tyre pressure is correct,
switch the ignition off and on
again. If the control lamp re-
mains lit up, the tyre monitor-
ing indicator can be calibra-
ted. Have the system re-
viewed by a specialised
workshop. 
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