How to Change Battery in 2012 Ford Fiesta Key Fob

Changing the battery in your 2012 Ford Fiesta key fob is a quick and easy process that can save you time and money. If your key fob is starting to act up, like having reduced range or requiring multiple presses to unlock your car, a dying battery is often the culprit. This guide will walk you through the simple steps to get your key fob back in perfect working order.

Identifying Your 2012 Ford Fiesta Key Fob

Before we dive into the battery replacement, let’s make sure we’re talking about the right key fob. The 2012 Ford Fiesta typically came with two main types of key fobs: one with a flip-out key and another with a separate key. Both fobs use a similar battery replacement process. Knowing which type you have helps ensure you’re following the correct steps. This guide will cover both.

Gathering Your Tools

You’ll need just a few simple tools for this job. A small flathead screwdriver or a similar tool to pry open the key fob is essential. You’ll also need a replacement battery. The 2012 Ford Fiesta key fob takes a CR2032 battery, which is readily available at most stores that sell batteries. It’s always a good idea to have a spare on hand, so consider buying a couple.

Step-by-Step Guide for Changing the Battery in a 2012 Ford Fiesta Flip Key Fob

1. Locate the small release button: On the side of your flip key fob, you’ll see a small button or notch. This is the release button for the metal key.
2. Release the metal key: Press the release button and fold out the metal key.
3. Identify the seam: With the key unfolded, examine the key fob casing. You’ll see a seam running along the edge.
4. Insert the flathead screwdriver: Gently insert the flathead screwdriver into the seam.
5. Pry open the casing: Carefully pry open the two halves of the key fob casing. Be gentle to avoid breaking any plastic tabs.
6. Locate the battery: Inside, you’ll see the CR2032 battery.
7. Remove the old battery: Gently pry out the old battery using your flathead screwdriver.
8. Insert the new battery: Place the new CR2032 battery in the compartment, making sure the positive (+) side is facing up.
9. Snap the casing shut: Align the two halves of the key fob casing and snap them together.
10. Test the key fob: Try locking and unlocking your car to make sure the new battery is working.

Step-by-Step Guide for Changing the Battery in a 2012 Ford Fiesta Key Fob (Separate Key)

1. Locate the seam: Examine your key fob and locate the seam that runs around the edge.
2. Insert the flathead screwdriver: Carefully insert your flathead screwdriver into the seam.
3. Twist and separate: Gently twist the screwdriver to separate the two halves of the key fob. You may hear a slight click.
4. Locate the battery: Inside the fob, you’ll find the CR2032 battery.
5. Remove the old battery: Gently pry out the old battery with the flathead screwdriver.
6. Insert the new battery: Insert the new CR2032 battery, ensuring the positive (+) side is facing upwards.
7. Reassemble the fob: Align the two halves of the key fob and press them together until they click securely into place.
8. Test the key fob: Test the key fob by locking and unlocking your car.

Replacing CR2032 Battery in 2012 Ford Fiesta Key Fob

What if My Key Fob Still Doesn’t Work?

Sometimes, even with a new battery, your key fob might not function correctly. This can be due to other issues, such as a faulty key fob or a problem with your car’s receiver.

“A common misconception is that a new battery will automatically fix any key fob issue,” says automotive expert, Michael Carter, ASE Certified Master Technician. “While a dead battery is the most frequent problem, other factors can be at play, and further diagnosis might be necessary.”

Ford Fiesta Key Fob Programming

Conclusion

Changing the battery in your 2012 Ford Fiesta key fob is a simple DIY task that can be completed in minutes with just a few tools. By following the steps outlined in this guide, you can save yourself a trip to the dealership and keep your key fob working perfectly. Remember to have a fresh CR2032 battery on hand to avoid any unexpected lockouts.

FAQ

1. What type of battery does a 2012 Ford Fiesta key fob use? A CR2032 battery.
2. How long does a Ford Fiesta key fob battery last? Typically, 2-3 years.
3. Where can I buy a CR2032 battery? Most stores that sell batteries, like supermarkets, pharmacies, and auto parts stores.
4. Can I damage my key fob by changing the battery myself? Unlikely if you’re careful, but it’s always possible.
5. What if my key fob still doesn’t work after changing the battery? You may need to reprogram the key fob or have it checked by a professional.
6. How do I know if my key fob battery is dead? Reduced range or needing to press the buttons multiple times are common signs.
7. Is it expensive to have a Ford dealership change the key fob battery? While it’s convenient, dealerships often charge a premium for this simple service.

“Regular maintenance of your key fob, including timely battery replacement, can prevent unexpected issues and extend the life of your fob,” adds Carter. “It’s a small investment that can save you significant hassle in the long run.”

Need more help? Check out our other articles on Key Fob maintenance and troubleshooting. You can also contact our 24/7 support team via WhatsApp: +1(641)206-8880, Email: [email protected] or visit us at 123 Maple Street, New York, USA 10001.