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Driving and the environment256
Several warning and control lamps should light up for a few seconds when
the ignition is switched. This signals that the lamp is working properly. They
will switch off after a few seconds.
WARNING
Observe traffic regulations when cleaning the diesel particulate filter while
driving.
x Only carry on driving if visibility, weather, road and traffic conditions so
permit.
x Never endanger your safety or that of other road users.
Caution
Always pay attention to any lit lamps and to the corresponding descriptions
and instructions to avoid damage to the vehicle.
Note
While the indicators ¬, B or %0# remain lit, there may be engine problems,
fuel consumption may be greater and the engine may lose power
Catalytic converter
The catalytic converter permits the subsequent treatment of the exhaust
gases thus reducing contaminating gas emissions. To ensure a longer
working life for the exhaust system and catalytic converter in a petrol engine:
x Always use unleaded petrol.
x Never run the tank completely dry.
x Do not top up with too much engine oil page 309.
x Do not tow-start the vehicle; use the starter cables page 371.
If you should notice misfiring, uneven running or loss of power when the car
is moving, reduce speed immediately. Have the car inspected by a qualified
workshop. If this happens, unburnt fuel can enter the exhaust system and
escape into the atmosphere. The catalytic converter can also be damaged by
overheating.
For the sake of the environment
Even when the emission control system is working perfectly, there may be a
smell of sulphur from the exhaust gas under some conditions. This depends
on the sulphur content of the fuel being used.
Diesel particulate filter
The diesel particulate filter removes soot particulates from the exhaust gas.
The filter retains these particulates and burns them. To assist the combustion
process, SEAT recommends you avoid frequent short trips.
x Always use diesel with a low sulphur content page 297.
x Never use petrol or fuel oil.
x Never use biodiesel. However, a blend prepared by the diesel manufac-
turer containing biodiesel within the limits established by the EN 590
standard may be used page 297.
x Never run the tank completely dry.
x Do not top up with too much engine oil page 309.
x Do not tow-start the vehicle; use the starter cables page 371.
In order to reduce blocking of the diesel particulate filter, some vehicles with
an automatic gearbox may increase the engine speed slightly to automati-
cally start cleaning the diesel particulate filter. The warning lamp will not light
up in this case ¬.
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