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How to Replace the Key Remote Battery on a Citroen C3 Aircross

Model: Citroen C3 Aircross MK 1 - Years: 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
Part: Key

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Video tutorial

Here are the instructions to replace the battery in the key remote for a Citroen C3 Aircross. First, take your remote and start by removing the plastic rear cover by prying it off the sides; then remove the battery inside and replace it with a new one (of the correct type and with the same code), as shown in the video.

Insert the new battery in the correct orientation, refit the plastic cover; all that’s left is to check that it works correctly!


Posted on 26 September 2026 by ScegliAuto


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by ScegliAuto

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