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What battery does a Ford Fiesta ST key take?

The Ford Fiesta ST key typically takes a CR2032 coin cell battery. This small, round lithium battery is commonly used in various electronic devices, including key fobs, remote controls, and other small electronics.


Understanding the Ford Fiesta ST Key Battery


The Ford Fiesta ST is a popular subcompact hot hatch that has been in production since 2013. Like many modern vehicles, the Fiesta ST uses a key fob or remote key to unlock the doors, start the engine, and perform other functions. This key fob contains a small battery that powers the electronic components, allowing it to communicate with the vehicle's systems.


The specific battery used in the Ford Fiesta ST key is a CR2032 coin cell battery. This type of battery is widely available and relatively inexpensive, making it easy to replace when the battery runs low.


Replacing the Ford Fiesta ST Key Battery



  • To replace the battery in your Ford Fiesta ST key, follow these steps:
  • Locate the small slot or tab on the side of the key fob, which allows you to open the battery compartment.

  • Gently pry open the key fob to expose the battery compartment.

  • Remove the old CR2032 battery and replace it with a new one, making sure the positive (+) side is facing up.

  • Close the key fob and ensure it clicks back into place securely.


It's important to note that the battery life of your Ford Fiesta ST key can vary depending on usage and environmental factors. If you notice the key fob becoming less responsive or the range decreasing, it's a good idea to replace the battery as soon as possible to ensure reliable operation.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.