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234 Driving and the environment
WARNING
Observe traffic regulations when cleaning the diesel particulate filter
while driving.
● Only carry on driving if visibility, weather, road and traffic conditions
so permit.
● Never endanger your safety or that of other road users.
CAUTION
Always pay attention to any lit control lamps and to the corresponding de-
scriptions and instructions to avoid damage to the vehicle.
Note
While the indicators , or 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 work-
ing life for the exhaust system and catalytic converter in a petrol engine:
● Always use unleaded petrol.
● Never run the fuel tank completely dry.
● Do not top up with too much engine oil ⇒ page 283.
● Do not tow-start the vehicle; use the starter cables ⇒ page 341.
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 special-
ised workshop. If this happens, unburnt fuel can enter the exhaust system
and escape into the atmosphere. The catalytic converter can also be dam-
aged 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 combus-
tion process, SEAT recommends you avoid frequent short trips.
● Always use diesel with a low sulphur content ⇒ page 271.
● Never use petrol or fuel oil.
● 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 271.
● Never run the fuel tank completely dry.
● Do not top up with too much engine oil ⇒ page 283.
● Do not tow-start the vehicle; use the starter cables ⇒ page 341.
In order to reduce blocking of the diesel particulate filter, some vehicles
with an automatic gearbox may increase the engine speed slightly to auto-
matically start cleaning the diesel particulate filter. The control lamp will not
light up in this case .
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.
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