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What Does the Error Code "Code 35" Mean on an Opel Astra's Instrument Panel?

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

See other generations:
Video tutorial

When the error code "Code 35" activates on your Opel Astra's instrument panel, it indicates that the battery in the electronic key needs replacing. To replace the key battery, start by unclipping and removing the rear cover of the key. This will give you access to the exhausted battery.

Next, extract the battery from its housing, and you will have completed the removal. To install the new battery, simply follow these steps in reverse, and you will have finished the replacement.


Updated on 12 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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