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What Does Error Code 18 Mean on Opel Astra J?

Model: Vauxhall Astra Astra J - Years: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
Part: Warning light – error code

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Video tutorial

In this short video, you can see, in English, the meanings of all possible error codes that may appear on your Opel Astra J. Opel uses a coding system instead of dedicated warning lights for each type of fault. They likely found this system more practical, provided you have the legend of the various error codes.

This video contains all of them so you can save them for future reference. Regarding code 18, it indicates a malfunction of the left dipped beam light.

Replacing the relevant bulb should resolve the issue.


Updated on 14 April 2026 by ScegliAuto


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How to lower the rear seats in the Peugeot 206?

In this tutorial, you will see how to lower the rear seats in the Peugeot 206, a very simple and quick operation, for example, if you need more space in the boot. First, open both the doors and the tailgate, then unclip the seat base and position it vertically. Next, remove the horizontal partition, locate the release levers at the ends of both seatbacks, and, by operating them, lower the seatbacks. To reassemble everything, simply follow the reverse procedure.

Watch the video!


by ScegliAuto

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