Do it yourself
Frequently asked questions about cars and motorcycles

How to Replace the Key Fob Battery on Ford Focus

Model: Ford Focus MK 4 - Years 2018-2025
Part: Key

Today, you will see step-by-step instructions on how to remove and replace the battery in the key fob for the Ford Focus. First, take your key fob and start prying open the side slot of the fob to split it into two parts; this will give you access to the circuit board and the battery, as shown in the video. At this point, remove and replace the battery with a new one of the correct type and with the same code; reassemble the battery in the correct orientation and put the key fob back together, thus completing the replacement operation.

Posted on 15 April 2026 by ScegliAuto

Video tutorial

Related tutorials

Ford Focus (2011-2018 / MK 3) In this video, learn how to disassemble and replace the battery of the key fob on a Ford Focus MK3 by following these simple steps. First, take your …
Ford Focus (2011-2018 / MK 3) Below are the steps to disassemble and replace the battery of the key fob for a Ford Focus. First, take your key fob and start by removing the rear c…
Ford Focus (2004-2011 / MK 2, Focus 2) Let's discover in this video how to dismantle and replace the battery of the remote key on the second generation Ford Focus. First, take your remote …

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