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| Switch on the ignition: |
The exhaust warning lamp should light up. |
If the exhaust warning lamp does not light up with the ignition on: |
If the exhaust warning lamp lights up with the ignition on: |
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| Start the engine and let it idle: |
The exhaust warning lamp should switch off after a few seconds. |
If the exhaust warning lamp does not switch off: |
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| Consult the fault memory, eliminate any faults and clear the memory → Chapter; Fault memory: consulting and clearing. |
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