Key fobs are an indispensable part of modern vehicle ownership, offering convenience and security at the touch of a button. Your Ford key fob, in particular, is crucial for remotely locking, unlocking, and even starting your vehicle. However, like any battery-powered device, the key fob relies on a battery that will eventually need replacing. Knowing How To Change Battery In A Ford Key Fob is a simple yet essential skill for every Ford owner, saving you time and potential dealership costs. This guide will walk you through each step, ensuring you can easily replace your Ford key fob battery and get back on the road with a fully functional remote.
Step 1: Identify Your Key Fob Type and Locate the Release Mechanism
Ford key fobs come in various designs, but the battery replacement process is generally similar across models. The first step in learning how to change battery in a ford key fob is to identify the type of release mechanism your fob uses to access the battery compartment.
For many Ford key fobs, you’ll find a physical key blade that can be released. This release is often a small button or latch located on the fob itself. Pressing or sliding this release will allow you to detach the metal key blade from the plastic fob casing. In some Ford models, there might not be a release button; instead, the key blade might be manually extracted by simply pulling it firmly away from the fob.
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Alt text: Close-up of a Ford key fob showing the key blade release button, highlighting the initial step in Ford key fob battery replacement.
Step 2: Open the Key Fob Casing
Once you have released or removed the key blade, the next step in how to change battery in a ford key fob is to carefully open the fob casing to access the battery. This usually involves using a small, flat-head screwdriver or a coin.
Inspect the side of your Ford key fob where the key blade was housed. You should find a small slot or seam along the edge of the casing. This is where you will insert your tool to gently pry the fob open.
Insert the flat end of your screwdriver or the edge of a coin into this slot. Apply gentle pressure and twist the screwdriver or coin to separate the two halves of the key fob casing. Work your way around the seam if necessary, gently prying until the cover pops off and the battery compartment is revealed. Avoid using excessive force, as you could damage the plastic casing.
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Alt text: Image depicting the process of opening a Ford key fob casing using a flat-head screwdriver to access the battery compartment for replacement.
Step 3: Remove the Old Battery
With the Ford key fob casing open, you will now see the battery. This is typically a small, round, flat battery, often a CR2032 or similar type. To continue with how to change battery in a ford key fob, you need to remove the old battery.
Sometimes the battery is held in place quite snugly. You can use your flat-head screwdriver again to gently pry the battery out of its compartment. Carefully position the tip of the screwdriver at the edge of the battery and apply a small amount of upward pressure. The battery should pop out. Be careful not to damage the battery contacts or any of the internal components of the key fob during this step.
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Alt text: Illustration of removing an old, round battery from a Ford key fob using a screwdriver, a crucial step in replacing the battery.
Step 4: Install the New Battery
Now that the old battery is removed, it’s time to install the new one. This is a critical step in how to change battery in a ford key fob to ensure proper functionality.
Take your new battery, making sure it is the correct type for your Ford key fob (refer to your owner’s manual or the markings on the old battery if you are unsure). Position the new battery in the compartment exactly as the old one was, ensuring the positive (+) side is facing upwards. This is usually indicated by a “+” symbol on the battery itself and sometimes within the battery compartment.
Press the new battery firmly into place until it is securely seated in the compartment. If the battery is installed upside down, the key fob will not function correctly, so double-check the orientation.
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Alt text: Image showing the installation of a new CR2032 battery into a Ford key fob, emphasizing the correct positive side up orientation for proper function.
Step 5: Reassemble the Key Fob Casing
The final step in how to change battery in a ford key fob is to reassemble the key fob casing.
Carefully align the two halves of the key fob casing and press them back together. You should hear or feel a click as the two parts snap securely into place. Ensure there are no gaps and that the casing is fully closed.
If your Ford key fob uses a separate key blade, reattach the key blade by sliding it back into its slot until it locks into position.
Once reassembled, test your Ford key fob to ensure it is working correctly. Try locking and unlocking your car remotely to confirm the new battery is functioning and properly installed.
Frequently Asked Questions About Ford Key Fob Batteries
What type of battery does my Ford key fob need?
Most Ford key fobs use a CR2032 3V lithium coin battery. However, it’s always best to check your Ford owner’s manual or examine the old battery for the exact type before purchasing a replacement. Some models might use CR2025 or other types.
How often should I change my Ford key fob battery?
The lifespan of a Ford key fob battery typically ranges from 1 to 3 years, depending on usage. Signs of a low battery include reduced range when using the remote, or the need to press buttons multiple times for the fob to respond. Replacing the battery proactively every couple of years can prevent unexpected issues.
What happens if my Ford key fob battery dies completely?
If your Ford key fob battery dies completely, you will not be able to use the remote functions, such as remote locking/unlocking or remote start. However, most Ford vehicles come with a physical emergency key hidden within the key fob. You can use this physical key to manually unlock your car door. It’s crucial to replace the battery as soon as possible to regain full key fob functionality.
How can I program my Ford’s personal entry keyless code?
To program your personalized entry code on Ford vehicles with keypads, follow these steps:
- Enter the factory-set 5-digit code (usually found in the owner’s manual or on a card provided with the vehicle).
- Within 5 seconds of entering the factory code, press the 1•2 button on the keypad.
- Enter your desired new 5-digit personal code. Enter each digit within 5 seconds of the previous one.
- Press the 1•2 button again to save the new personal code.
- The doors should lock and then unlock to confirm successful programming.
Where can I buy replacement batteries for my Ford key fob?
You can purchase replacement batteries for your Ford key fob at various locations, including:
- Local Drugstores and Supermarkets: Pharmacies and grocery stores often carry common coin batteries like CR2032 in their electronics or battery sections.
- Automotive Parts Stores: Auto parts retailers like AutoZone, Advance Auto Parts, and O’Reilly Auto Parts stock a wide range of car batteries, including key fob batteries.
- Online Retailers: Websites like Amazon and eBay offer a vast selection of batteries, often at competitive prices.
- Ford Dealerships: Your local Ford dealership will also sell key fob batteries, though they may be more expensive than other options.
By following these steps, you can confidently change battery in a ford key fob yourself, saving time and money while ensuring your vehicle remains secure and convenient to use.
