1999-2006 Seat Leon 4 Door Handling instructions -> Warning lamps User Manual
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Handling instructions -> Warning lamps for Your Seat Leon 4 Door First Generation (1999-2006)

Cockpit 71
Safety First Handling instructions Tips and Maintenance Technical Data
Warning lamps
Overview of the warning lamps
The warning lamps indicate a number of different functions and possible faults.
Fig. 46 Instrument panel with warning lamps. Some of
the warning lamps listed in this section are only fitted on
certain models or are optional extras
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Item Symbol Meaning of warning and control lamps Further information
Fuel level / reserve ⇒ page 74
Coolant level / coolant temperature ⇒ page 74
Rear fog light switched on ⇒ page 75
Turn signals in operation ⇒ page 75
Trailer turn signals in operation ⇒ page 75
Main beam switched on ⇒ page 75
Bulb defective ⇒ page 75
Cruise control system switched on ⇒ page 76
Washer fluid level ⇒ page 76
Handbrake applied
or low brake fluid level or
fault in brake system
⇒ page 76
Engine oil pressure ⇒ page 77
ABS system fault ⇒ page 77
Accumulation of soot in the particle filter of diesel engines ⇒ page 78
Alternator fault ⇒ page 78
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
A
10
A
11
A
12
A
13
A
14
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Safety First Handling instructions Tips and Maintenance Technical Data
WARNING
• Failure to observe warning lamps and warning messages can result in
serious personal injury or damage to your vehicle.
Fasten seat belts! ⇒ page 19
Tyre pressure ⇒ page 78

Engine fault (petrol engine) ⇒ page 79
Glow plug system (diesel engine)
Lit up: Glow plug system switched on
Flashing: engine fault
⇒ page 80
Airbag or belt tensioning device system fault or airbag disa-
bled
⇒ page 28
Fault in the emission control system ⇒ page 80
Flashing: electronic stabilisation programme (ESP) in opera-
tion,
Lit up: ESP fault or switched off
⇒ page 80
Operate foot brake ⇒ page 80
Power steering ⇒ page 81
Brake pad wear indicator ⇒ page 81
Door open indicator ⇒ page 81
SAFE Electronic immobiliser ⇒ page 81
Item Symbol Meaning of warning and control lamps Further information
A
15
A
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A
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A
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A
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A
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• The risk of an accident increases if your vehicle breaks down. Use a
warning triangle to draw the attention to your stationary vehicle so that it
does not represent a danger for others.
• The engine compartment of any motor vehicle is a dangerous area!
Before you open the bonnet to work on the engine or in the engine compart-
ment, you must switch off the engine and allow it to cool to reduce the risk
of scalding or other injuries. Read and observe the relevant warnings
⇒ page 193.
Note
• The appropriate warning lamp for a fault will light up in vehicles without
warning or information texts in the display.
• In vehicles with warning or information texts in the display, the appro-
priate warning lamp for a fault will light up and a warning or information text
will also appear in the display.
Fuel level / reserve
This symbol lights up to indicate that the fuel tank is down to
the reserve level.
This lights when only 7 litres of fuel remain in the tank. Also, an audible
warning is given. This serves as a reminder to fill up with fuel at the earliest
opportunity ⇒ page 190.
The following information is displayed in the instrument panel screen
7)
:
REFUEL.
Coolant Level* / temperature
The warning lamp lights up if the coolant temperature is too
high or if the coolant level is too low.
There is a fault if
• The warning symbol does not go out again after a few seconds.
• The warning lamp lights up or flashes while the vehicle is moving, while
three acoustic warning signals ⇒ are emitted.
This means that either the coolant level is too low or the coolant temperature
is too high.
Coolant temperature too high
The following information is displayed in the instrument panel screen
8)
:
CHECK COOLANT INSTRUCTION MANUAL.
First look at the coolant temperature gauge. The coolant temperature is too
high if the needle is over the warning area on the dial. Stop the vehicle,
switch off the engine and wait for it to cool down. Check the coolant level.
If the coolant level is correct, the overheating may be caused by a malfunction
of the radiator fan. Check the radiator fan fuse and have it replaced if neces-
sary ⇒ page 224.
If the warning lamp lights up again after driving on for a short distance, stop
the vehicle and switch off the engine. Contact an Authorised Service Centre
or a qualified workshop.
Coolant level too low
The following information is displayed in the instrument panel screen
9)
:
STOP CHECK COOLANT INSTRUCTION MANUAL ⇒ page 201.
7)
Depending on the model version
WARNING (continued)
8)
Depending on the model version
9)
Depending on the model version
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Safety First Handling instructions Tips and Maintenance Technical Data
First look at the coolant temperature gauge. If the needle is in the normal
range, top up with coolant at the earliest opportunity ⇒ .
WARNING
• If your vehicle is immobilised for any technical reasons, move it to a
safe distance from traffic. Turn off the engine, turn on the hazard lights and
place the warning triangle.
• Never open the bonnet if you can see or hear steam or coolant escaping
from the engine compartment. Risk of scalding. Wait until you can no
longer see or hear escaping steam or coolant.
• The engine compartment of any motor vehicle is a dangerous area!
Before carrying out any work in the engine compartment, switch off the
engine and allow it to cool down. Always note the corresponding warnings
⇒ page 193.
Rear fog light
This warning lamp lights up when the rear fog light is switched on . Further
information ⇒ page 109.
Turn signals
The warning lamp flashes when the turn signals are in oper-
ation.
Depending on which turn signal is operated, either the left or right indi-
cator lamp flashes. Both warning lamps will flash at the same time when the
hazard warning lights are switched on.
If one turn signal fails, the warning lamp will start flashing twice as fast.
Further information on the turn signals ⇒ page 113.
Trailer turn signals
This warning lamp also flashes when the turn signals are
operated while towing a caravan or trailer.
The warning lamp flashes when the turn signals are operated, provided a
trailer is correctly attached and connected to the vehicle.
The warning lamp will not flash if one of the turn signals on the trailer fails.
Main beam headlights
This warning lamp lights up when the main beams are on.
The warning lamp lights up when the main beams are on or when the
headlight flasher is operated.
Further information ⇒ page 113
Bulb defect
The warning lamp lights up when a bulb in the vehicle's exte-
rior lighting is defective.
The warning lamp lights up when a bulb in the vehicle's exterior lighting
(e.g. left-hand main beam) is defective.
The following information is displayed in the instrument panel screen
10)
:
LEFT MAIN BEAM FAULT
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Cruise control system*
The warning lamp comes on when the cruise control system
is switched on.
The warning lamp lights up when the cruise control system is switched on.
Further notes on the cruise control system ⇒ page 161.
Washer fluid
This warning lamp lights up to indicate that the windscreen
washer level is too low.
This serves as a reminder to fill up the reservoir at the earliest opportunity
⇒ page 203.
The following information is displayed in the instrument panel screen*
11)
:
REFILL WINDSCREEN FLUID.
Brake system* / handbrake
The warning lamp lights up if the handbrake is applied, if the
brake fluid level falls too low or if there is a fault in the brake
system.
This warning lamp lights up if
• If the handbrake is on
If you drive faster than 6 km/h with the handbrake on, the following message
will appear on the instrument panel display
12)
: HANDBRAKE ENGAGED. Also,
an audible warning is given.
• If the brake fluid level is too low ⇒ page 206
The following information is displayed in the instrument panel screen
12)
:
STOP BRAKE FLUID INSTRUCTION MANUAL.
• If there is a fault in the brake system
The following information is displayed in the instrument panel screen
12)
:
BRAKE FAULT INSTRUCTION MANUAL
This warning lamp can light up together with the anti-lock brake system
warning lamp.
WARNING
• Before opening the bonnet, read and observe the warnings on
⇒ page 193, “Working in the engine compartment”.
• If the brake warning lamp does not go out, or if it lights up when
driving, the brake fluid level ⇒ page 206, “Brake fluid” in the reservoir is
too low. Risk of accident. Stop the vehicle and do not drive on. Obtain tech-
nical assistance.
• If the brake warning lamp lights up together with the ABS warning
lamp , the control function of the ABS could be out of action. This could
cause the rear wheels to lock quickly when you brake. This could cause the
rear to break away. Risk of skidding. Drive carefully to the nearest qualified
workshop and have the fault corrected.
10)
Depending on the model version
11)
Depending on the model version
12)
Depending on the model version
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Safety First Handling instructions Tips and Maintenance Technical Data
Engine oil pressure
This warning lamp indicates that the engine oil pressure is
too low.
If this warning symbol starts to flash, and is accompanied by three audible
warnings, switch off the engine and check the oil level. If the oil level is too
low, add more engine oil ⇒ page 196.
The following information is displayed in the instrument panel screen
13)
:
STOP ENGINE OIL PRESSURE INSTRUCTION MANUAL.
If the symbol flashes although the oil level is correct, do not drive on. The
engine must not even run at idle speed. Obtain technical assistance.
Anti-lock brake system (ABS)
A warning lamp system monitors the ABS.
The warning lamp should light up for a few seconds when the ignition is
switched on. It goes out again after the system has run through an automatic
test sequence.
There is a fault in the ABS if
• The warning lamp does not light up when the ignition is switched on.
• The warning lamp does not go out again after a few seconds.
• The warning lamp lights up when the vehicle is moving.
The vehicle can still be braked in the normal way (except that the ABS control
function will not function). Please take the vehicle to a qualified workshop as
soon as possible. For further information on the ABS see the ⇒ page 165.
If a fault occurs in the ABS, the ESP* warning lamp will also light up.
Brake system fault
If the ABS warning lamp lights up together with the brake warning lamp
, this indicates not only a fault in the ABS function, but also a possible fault
in the brake system ⇒ .
WARNING
• Before opening the bonnet, read and observe the warnings on
⇒ page 193.
• If the brake warning lamp should light up together with the ABS
warning lamp , stop the vehicle immediately and check the brake fluid
level in the reservoir ⇒ page 206, “Brake fluid”. If the fluid level has
dropped below the “MIN” mark you must not drive on. Risk of accident.
Obtain technical assistance.
• If the brake fluid level is correct, the fault in the brake system may have
been caused by a failure of the ABS system. This could cause the rear
wheels to lock quickly when you brake. This could cause the rear to break
away. Risk of skidding. Drive carefully to the nearest qualified workshop
and have the fault corrected.
Differential lock fault (EDL)*
The EDL operates along with the ABS in vehicles equipped
with an Electronic Stabilisation Program (ESP)*.
A malfunction in the EDL is indicated by the ABS warning lamp . Please
take the vehicle to a qualified workshop as soon as possible. For further infor-
mation on the EDL ⇒ page 168.
13)
Depending on the model version
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Traction control system (TCS)*
The traction control system prevents the driven wheels from
spinning when the vehicle is accelerating.
The warning lamp lights up when the ignition is switched on and should turn
out after about 2 seconds.
When the TCS is operating while driving, the warning lamp flashes. If the
system is deactivated or if there is any fault in the same, the warning lamp will
remain lit.
It will also come on if a fault should occur in the ABS because the TCS oper-
ates in conjunction with the ABS. For further information see ⇒ page 165.
Soot accumulation in the particle filter for diesel* engines
If the symbol is lit, then soot has accumulated in the diesel engine particle
filter due to repeatedly short trips. In this case, drive at a constant speed of
at least 60 km/h (with engine speed at about 1 400 rpm) during 10 minutes.
The generated increase in temperature will allow burning of the soot accumu-
lated in the filter.
If the symbol does not go off, bring the vehicle to a specialist workshop to
repair the fault.
For more information on the diesel particle filter ⇒ page 192.
Alternator
This warning lamp signals a fault in the alternator.
The warning lamp lights up when the ignition is switched on. It should go
out when the engine has started running.
If the warning lamp lights up while driving, the alternator is no longer
charging the battery. You should immediately drive to the nearest qualified
workshop.
You should avoid using electrical equipment that is not absolutely necessary
because this will drain the battery.
If the indicator flashes then the voltage is insufficient for normal vehicle
operation.
Tyre pressure*
Fig. 47 Centre console:
tyre control system button
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Safety First Handling instructions Tips and Maintenance Technical Data
The tyre monitoring system compares the rotations and by this, the outside
diameter of each wheel using the ABS sensors. If the outside diameter of one
wheel changes, this is communicated to the driver by the tyre control indi-
cator . The outside diameter of the tyre will vary when:
• Tyre pressure is insufficient.
• The tyre structure is damaged.
• The vehicle is uneven due to the load.
• The wheels on one axle are loaded more than the other (for example,
when driving with a trailer or on extreme slopes).
• The vehicle is fitted with snow chains.
• The emergency wheel is fitted.
• A wheel on one axle has been changed.
Tyre pressure adjustment
After modifications to the tyre pressure or changing one or more wheels, the
⇒ page 78, fig. 47 button must be held in, with the ignition on, until an
acoustic signal is heard.
If the wheels are subject to an excessive load (for example, using a trailer or
a heavy load) then the tyre pressure must be adjusted to correspond to the
recommended value for full vehicle load (see the adhesive on the inside of
the fuel tank filler cover). If the tyre monitoring system button is pressed, the
new pressure value is confirmed.
The tyre monitor indicator lights
If the tyre pressure of one wheel is significantly lower than the value set by
the driver then the tyre monitoring system indicator will light ⇒ .
The tyre monitor indicator flashes
If the tyre monitor indicator flashes, this indicates a fault. See the nearest
specialist workshop.
WARNING
• When the tyre monitor indicator lights, reduce speed immediately and
avoid sudden turning or braking manoeuvre. Stop as soon as possible and
check tyre pressure and status.
• The driver is responsible for the correct tyre pressure. For this reason,
the tyre pressure must be checked regularly.
• Under certain circumstances (for example, aggressive driving style, in
winter conditions or dirt tracks) the tyre pressure indicator may light, may
indicate with delay or may not function.
Note
If the battery is disconnected then the yellow indicator will light when the
ignition is turned on. After a short period, it should turn off.
Engine management 
This warning lamp monitors the engine management system
for petrol engines.
The warning lamp  (Electronic Power Control) lights up when the ignition
is switched on to show that the lamp is working properly. It should go out
when the engine has started running.
If a fault develops in the electronic engine management system while you are
driving, this warning lamp will light up. Take the vehicle to an Authorised
Service Centre as soon as possible and have the engine checked.
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Glow plug system / Engine fault
The indicator lights up to show that the glow plugs are
preheating the engine. It flashes if there is an engine fault.
Warning lamp is lit
The warning lamp lights up while the glow plugs are preheating. When the
warning lamp goes off, the engine should be started straight away.
Warning lamp flashes
If a fault develops in the engine management system while you are driving,
the glow plug lamp will flash . Take the vehicle to an Authorised Service
Centre as soon as possible and have the engine checked.
Emission control system*
This warning lamp monitors the exhaust system.
Warning lamp flashes
When there is misfiring that can damage the catalytic converter. Reduce
speed and drive carefully to the nearest qualified workshop to have the
engine checked.
The following information is displayed in the instrument panel screen
14)
:
EXHAUST GAS SEE WORKSHOP.
Warning lamp is lit
If a fault has developed during driving which has reduced the quality of the
exhaust gas (e. g. lambda probe fault). Reduce speed and drive carefully to
the nearest qualified workshop to have the engine checked.
The following information is displayed in the instrument panel screen:
EXHAUST GAS SEE WORKSHOP.
Electronic stabilisation programme (ESP)*
This warning lamp monitors the electronic stabilisation
program.
This program includes the ABS, EDL and TCS.
The warning lamp has the following functions:
• It will light for about 2 seconds when the ignition is switched on while a
test of the function is carried out.
• It flashes when the ESP is activated when driving.
• It will light up continuously if there is a malfunction in the ESP.
• It will light up continuously if the ESP is switched off.
• It will also come on if a fault should occur in the ABS because the ESP
operates in conjunction with the ABS.
If the ESP warning lamp lights up and stays on after the engine is started,
this may mean that the control system has temporarily switched off the ESP.
In this case the ESP can be reactivated by switching the ignition off and then
on again. If the warning lamp goes out, this means the system is fully
functional.
Operating the foot brake
The footbrake must be depressed when this warning lamp lights up. This is
necessary when the automatic gearbox* selector lever is moved out of the
positions P or N.
14)
Depending on the model version
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Safety First Handling instructions Tips and Maintenance Technical Data
Power steering system*
For vehicles with power steering, the level of steering assistance depends on
the vehicle speed and the steering wheel rotation.
The warning lamp should light up for a few seconds when the ignition is
switched on. It should go out when the engine has started running.
If the battery is disconnected, the indicator remains lit, even with the engine
running. The warning light only goes off after a distance of approx. 50 m.
There is a fault in the electromechanical steering system if the lamp does not
go out or lights up whilst the vehicle is in motion. The light indicator may
change to different colours to indicate faults. If it lights yellow, this indicates
a warning of minor significance. If the light indicator indicates red then the
assistance of a specialist workshop should be sought; if no immediate help
is available then the vehicle must be stopped as soon as possible. Stop the
vehicle and seek technical assistance. The power steering will not work if the
battery is discharged or the engine is not running (for example when towed).
You should take into account that you will need considerably more power
than normal to steer the vehicle if the steering assistance is reduced or has
failed completely.
Brake pad wear indicator*
As the brake pad wear indicator only monitors the front brake pads, it is advis-
able to have the rear brake pads inspected at the same time.
The following information is displayed in the instrument panel screen
15)
:
CHECK BRAKE PADS.
WARNING
Have the brake pads inspected immediately by a qualified dealership if this
warning display lights up.
Door or tailgate open indicator
This indicator indicates that one of the doors is open.
The warning light should go off when all the doors are closed correctly.
The system also works when the ignition is switched off. It should go off
about 15 seconds after the vehicle is locked.
Electronic immobiliser* “Safe”
This warning lamp flashes if an unauthorised key is used.
Inside the key there is a chip that deactivates the electronic immobiliser auto-
matically when the key is inserted into the ignition. The immobiliser will be
activated again automatically as soon as you pull the key out of the ignition
lock.
The following information is displayed in the instrument panel screen
16)
:
SAFE. The vehicle cannot be used in that case ⇒ page 150.
The engine can, however, be started if the appropriate coded SEAT genuine
key is used.
15)
Depending on the model version
16)
Depending on the model version
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Cockpit82
Note
The vehicle cannot be operated properly if you do not have a genuine SEAT
key.
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