2014 Seat Leon SC fuel reserve

Operation
Engine cold
If only the diodes in the lower part of the
scale light up, this indicates that the engine
has not yet reached operating temperature.
Avoid high revs and heavy acceleration and
do not make the engine work hard.
Normal temperature
If in normal operations, the diodes light up
until the central zone, it means that the en-
gine has reached operating temperature. At
high outside temperatures and when making
the engine work hard, the diodes may contin-
ue lighting up and reach the upper zone. This
is no cause for concern, provided the control
lamp  does not light up on the instrument
panel digital display.
Heat range
When the diodes light up in the upper area of
the display and the control lamp appears 
on the instrument panel display, the coolant
temperature is excessive ››› page 203. CAUTION
● To ensure a long useful life for the engine,
avoid high revs, driving at high speed and
making the engine work hard for approxi-
mately the first 15 minutes when the engine
is cold. The phase until the engine is warm al-
so depends on the outside temperature. If
necessary, use the engine oil temperature*
››› page 77 as a guide. ●
Additional lights and other accessories in
front of the air inlet reduce the cooling effect
of the coolant. At high outside temperatures
and high engine loads, there is a risk of the
engine overheating.
● The front spoiler also ensures proper distri-
bution of the cooling air when the vehicle is
moving. If the spoiler is damaged this can re-
duce the cooling effect, which could cause
the engine to overheat. Seek specialist assis-
tance. Fuel level - Gas
Fig. 85
Fuel gauge. Displays
2 and
6
››› Fig. 82 only work when
the ignition i s
switched on. When the display
reaches the reserve mark, the lower diode
lights up in red and the control lamp  ap-
pears ››› page 66. When the fuel level is very
low

, the lower diode flashes in red. The yellow control lamp 
lights up when the
reserve level has been reached.
The green warning lamp 
lights up when the
vehicle is running in natural gas operating
mode.
The green 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 immediately after refuelling, the
natural gas level indicator may 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 pressure in the gas tank for technical rea-
sons after a cooling phase just after refuel-
ling.
Fuel level - Petrol/Diesel Fig. 86
Fuel gauge.70

Instruments and warning/control lamps
The display 6
››› Fig. 82 only works when
the ignition i s
switched on. When the display
reaches the reserve mark, the lower diode
lights up in red and the control lamp 
ap-
pears ››› page 66. When the fuel level is very
low
, the lower diode flashes in red.
The distance to empty fuel level is displayed
on the instrument panel 3
››› Fig. 82 .
The c ap

acity of the fuel tank of your vehicle is
given in the Technical data section
››› page 268. CAUTION
Never run the fuel tank completely dry. An ir-
regular fuel supply could cause misfiring. In
this way the unburned fuel can reach the ex-
haust system, which could cause the catalytic
converter to overheat resulting in damage. Control lamps
Control and warning lamps Read the additional information carefully
›››  page 22
.
The c ontr

ol and warning lamps are indicators
of warnings, ››› , faults
››› or certain func-
tions. Some control and warning lamps come
on when the ignition is switched on, and
switch off when the engine starts running, or
while driving. Depending on the model, additional text
messages may be viewed on the instrument
panel display. These may be purely informa-
tive or they may be advising of the need for
action
››› page 66, Instruments .
D ependin

g upon the equipment fitted in the
vehicle, instead of a warning lamp, some-
times a symbol may be displayed on the in-
strument panel.
When certain control and warning lamps are
lit, an audible warning is also heard. WARNING
If the warning lamps and messages are ignor-
ed, 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.
● Park the vehicle away from traffic and en-
sure that there are no highly flammable ma-
terials under the vehicle that could come into
contact with the exhaust system (e.g. dry
grass, fuel).
● A faulty vehicle represents a risk of acci-
dent for the driver and for other road users. If
necessary, switch on the hazard warning
lamps and put out the warning triangle to ad-
vise other drivers.
● Before opening the bonnet, switch off the
engine and allow it to cool. ●
In any vehicle, the engine compartment is a
hazardous area and could cause severe inju-
ries ››› page 198. CAUTION
Failure to heed the control lamps and text
messages when they appear may result in
faults in the vehicle. Engine management* 
This warning lamp monitors the engine man-
agement system for petrol engines.
The warning lamp  (Electronic Power Con-
trol) lights up when the ignition is switched
on while system operation is being verified. It
should go out once the engine is started.
If there is a fault in the electronic engine
management system while you are driving,
this warning lamp will light up. Stop the vehi-
cle and seek technical assistance.
Glow plug system/Engine fault*  The warning lamp lights up to show that the
glow plugs are preheating the diesel engine.
The control lamp
 lights up
If the control lamp  lights up when the en-
gine is started it means that the glow plugs »
71Technical specifications
Advice
Operation
Safety
The essentials

Advice
least 30 seconds before starting the engine.
When you then start the engine it may take
longer than normal (up to one minute) to
start firing. This is because air needs to be
bled from the fuel system while starting.
For the sake of the environment
Do not overfill the fuel tank, it may cause the
fuel to overflow if it becomes warm. Note
Diesel vehicles are fitted with a protective de-
vice that prevents the insertion of the wrong
fuel hose 1)
. It is only possible to refuel with
Diesel nozzles.
● If the pump nozzle is worn, damaged, or if
it is very small, it is possible that it will not
be able to open the protective device. Before
trying to insert the pump nozzle by turning it,
try a different pump or request specialist
help.
● If you fill the tank from a reserve fuel canis-
ter, the protective device will not open. One
way to resolve this is to pour the fuel in very
slowly. Refuelling with natural gas
Fig. 173
Tank flap open: gas filler mouth 1 ,
filler mouth retainer 2 Before refuelling, the engine and the igni-
tion, mobile telephone and heating must be
switched off separately
››› .
Read the instructions on how to use the natu-
ral gas pump carefully.
The vehicle is not prepared for refuelling with
liquefied natural gas (LNG) ››› . Before refu-
elling with natural gas, make sure you add
the appropriate type of fuel ››› page 195.
Opening the fuel tank cap
The natural gas filler mouth is behind the fuel
tank cap, next to the petrol filler mouth. ●
Unlock the vehicle with the key or with the
central locking button  situated on the driv-
er door ››› page 82 .
● Pr e
ss on the rear area of the flap and open
it.
Refuelling
Things to note: if the ambient temperature is
very high, the natural gas pump protection
against overheating disconnects this auto-
matically.
● Remove the plug from the gas filler mouth
››› Fig. 173 1 .
● Connect the pump filling nozzle to the gas
filler mouth.
● The fuel tank will be full when the pump
c ompr

essor automatically cuts the supply.
● If you wish to finish refuelling in advance,
press the button on the pump to stop the
flow.
Closing the fuel tank cap
● Check that the gas filler mouth retainer 2 is not trapped with the filler nozzle. If neces-
sary, place it in the filler mouth again.
●
Insert the plug in the filler mouth.
● Close the tank flap. Make sure you hear it
click into place. 1)
Depending on country
194

Technical specifications
Filling capacities Tank level
Petrol and diesel engines50 l, of which, approx. 7 l reserve Vehicles with all-wheel-drive :
55 l, of which, approx. 8.5 l reserve
Natural gas engine a)approx. 15 kg
Windscreen washer fluid containerapprox. 3 litres in versions without headlight washers
approx. 5 litres in versions with headlight washers
Tyre pressure
Summer tyres:
Correct tyre pressure can be seen on the sticker on the inside of the fuel tank flap.
Winter tyres:
The pressure of these tyres is 0.2 bar higher than that of summer tyres (2.9 psi / 20 kPa).
a) The capacity depends on the efficacy and characteristics of the natural gas pumps. The capacity indicated is based on a minimum loading pressure of 200 bar.
268