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    4. : What does code 18 mean on the Opel Insigna?

What does code 18 mean on the Opel Insigna?
Years 2017-2026

Answer

The error code number 18 on Opel Insigna passenger cars (and also on other Opel vehicles in general) has the function of signaling the malfunction of the low beam on the left side and automatically disappears once the bulb is replaced.
Posted on: 9 October 2022 by ScegliAuto

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