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    4. : What does the message "Code 20" indicate in the Opel Insignia?

What does the message "Code 20" indicate in the Opel Insignia?
Years 2017-2026

Answer

If the message "Code 20" appears in the instrument panel of our Opel Insignia, it means that a malfunction has been detected in the left low beam headlight. In this case, it will be sufficient to replace the faulty bulb with a replacement of the same characteristics, which is a very simple operation.
Posted on: 2 June 2023 by ScegliAuto

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