Instruction book AUDI A1
 Audi A1   Driving tips  Your Audi A1 and the environment
Catalytic converter
Applies to Audi A1s with petrol engine: The Audi A1 must only be used with unleaded petrol; otherwise the catalytic converter will be irreparably damaged.
Never run the tank completely dry. The irregular fuel supply can cause misfiring, which would allow unburnt fuel to enter the exhaust system, which could cause overheating and damage the catalytic converter.
Diesel particulate filter
Applies to Audi A1s with diesel engine: The diesel particulate filter can filter out almost all soot particles contained in the exhaust gas. In normal driving conditions the filter is self-cleaning. Should the self-cleaning function of the filter not be able to operate, e.g. when the Audi A1 is continuously used only for short trips, the filter becomes obstructed with soot and the indicator lamp for the diesel particulate filter lights up Link.
WARNING!
  • Because of the high temperatures which can occur in the emission control system (catalytic converter or diesel particulate filter), do not park the Audi A1 where the exhaust can come into contact with flammable materials under the car (e.g. on grass or at the forest edge). - Fire hazard!
  • Do not apply any underseal agents in the area around the exhaust system - fire hazard!

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