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    4. : What does code 3 mean and how to reset it in the Opel Insignia?

What does code 3 mean and how to reset it in the Opel Insignia?
Years 2008-2017

Answer

Code 3 appears in the Opel Insignia following a coolant leak, detected by the vehicle and possibly caused by a worn gasket or piping. The reset usually occurs automatically after repairing the damage.
Posted on: 5 November 2022 by ScegliAuto

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