Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

Replacing the Key Fob Battery for a Ford Focus

Model: Ford Focus MK 3 - Years 2011-2018
Part: Key

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 cover and the physical key inside it. Next, leverage the side slot to open the fob into two parts, gaining 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 same specification; reassemble the key fob!

Posted on 12 April 2026 by ScegliAuto

Video tutorial

Related tutorials

Replacing the Key Battery for Ford Focus and Mondeo
Replacing the Key Battery for Ford Focus and Mondeo
Ford Focus (1998-2004 / MK 1) In this video, you will see how to replace the battery in the remote key of a Ford Focus, as well as in the Mondeo and other models from the manufact…
How to Replace the Key Fob Battery on Ford Focus
How to Replace the Key Fob Battery on Ford Focus
Ford Focus (2018-2025 / MK 4) 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 an…
Replacing the Key Battery of the Ford Focus
Replacing the Key Battery of the Ford Focus
Ford Focus (1998-2004 / MK 1) In this video tutorial, learn how to replace the battery of the Ford Focus key remote by following these simple steps. First, take the remote and beg…

Other guides you may be interested in

How to Open the Bonnet on the Lancia Y

To open the bonnet on this vehicle, follow these simple instructions: first, open the driver's door and locate the lever positioned just below the dashboard, marked with an image of the vehicle with the bonnet open. Pull this lever towards you until you hear a "click" indicating the bonnet is released. Next, exit the cabin and stand in front of the bonnet to disengage the safety catch and complete the opening. To do this, slightly lift the bonnet, locate the yellow lever underneath, and pull it to the left to fully release and open the bonnet.

Watch the video!


by ScegliAuto

More videos