Do it yourself
Frequently asked questions about cars and motorcycles

How to Replace the Key Battery on a Citroen C4

Model: Citroen C4 MK 2 - Years 2010-2018
Part: Key

If your Citroen C4 key is no longer working due to a completely exhausted battery, then this guide is all you need. Just read it carefully and follow the steps. First, purchase a new CR2032 battery, then take the car key and proceed to remove the protective rear cover. Once done, locate the exhausted battery and remove it. Finally, insert the new battery and reattach the protective cover to successfully complete the procedure.

Posted on 30 May 2026 by ScegliAuto

Video tutorial

Related tutorials

Citroen C4 (2010-2018 / MK 2) In this guide, we will describe step by step the procedure you need to follow to replace the battery inside your Citroen C4 key (2015). First, obtain…
Citroen C4 (2010-2018 / MK 2) Start by pressing the silver top button of the key for your Citroen C4 to open the physical key. Next, insert the tip of a thin, sturdy tool into the…
Citroen C4 (2010-2018 / MK 2) In today's tutorial video, you will learn how to disassemble and replace the battery of the remote key for the second series Citroen C4, as well as f…

Other guides you may be interested in

How to Open a Stuck Boot on the Peugeot 407?

On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

Watch the video!


by ScegliAuto

More videos