key fob battery

How To Replace Key Fob Battery: Step-by-Step Guide 2023

Is your key fob battery dead? If so, don’t worry – replacing the battery is a quick and easy process. In this step-by-step guide, we’ll show you how to replace a key fob battery in just a few minutes. Let’s get started!

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Key Fob Battery Replacement Steps

Step 1: Find Key Fob Battery

Open your key fob by unscrewing the back panel or popping it open with a flathead screwdriver

Accessing the contents of key fobs can be a tricky endeavor, but it’s not impossible! Depending on the key fob type, there are two ways to get into the interior contents.

key fob battery

One option is to use a flathead screwdriver and simply pop open the back panel. Alternatively, you may be able to unscrew the back panel with ease and quickly gain access to what’s hidden inside. In both cases, no matter how mundane or important key ring items turn out to be, unlocking key fobs is an exciting journey.

Step 2: Replace Key Fob Battery

Take out the old battery and note its size and type so you can replace it with the same kind

If you want to keep your key fob in top working order, replacing the battery every so often is key. Don’t worry; with a few simple steps, you can ensure you are replacing it with the correct size and type of key fob battery. First, take out the old key fob battery; this is usually done by sliding open the key fob housing.

Once exposed, make sure to note the size and type of key fob battery so that when you go out to buy a replacement key fob it will provide an exact match.

Making a mental note or writing it down momentarily can save time and frustration down the road. Start fresh and start right – exchange your key fob battery today!

Step 4: Ensure Key Fob Battery Is Fitted Correctly

Insert the new battery in the proper orientation, making sure that the positive and negative sides are facing the correct way

Replacing the key fob battery is an easy task when you know how. Make sure the key fob battery is inserted in the proper orientation, with positive and negative sides facing the correct way. Otherwise, it won’t be able to provide power to your key fob and won’t transmit necessary signals; this could mean that something as simple as opening your car door becomes a hassle!

key fob battery

Next time you need to replace that key fob battery, imagine the trouble you’d have if you didn’t insert it in the right direction – doing so could save you time and energy!

Step 5: Test Your New Key Fob Battery

Close up your key fob and test it out to make sure it’s working properly

Problems with key fobs can be frustrating, but fortunately, they can usually be solved quickly. Before doing anything else, it’s important to make sure that you close up your key fob properly.

Typically this means pressing down until a click is heard. If the key fob still isn’t working, it could suggest that its battery needs to be replaced. This often happens if your key fob has not been opened in several months or more.

key fob battery replacement

Replacing the key fob battery is easy when you know how to do it; just make sure to test it out afterward to ensure everything is functioning correctly!

If your key fob still isn’t working after replacing the battery, there may be another issue that needs to be addressed

key fob battery damaged

Is your key fob battery not working properly? After replacing the key fob’s battery, it seems like the issue isn’t solved. Before giving up and deeming it impossible to make your key fob work, there may be another underlying issue that needs to be solved.

Get to the bottom of the problem and have peace of mind knowing you’ve exhausted all avenues in rectifying the key fob battery. Don’t let a simple key fob get the best of you!


Replacing a dead key fob battery is an easy process that only takes a few minutes and basic tools. With just a little bit of effort, you can breathe new life into your key fob and ensure you never get locked out of your car again. If you followed the steps in this blog post, you should now understand the best way to go about replacing the battery on your key fob.

Just remember to make sure the positive and negative sides are facing the correct direction before putting everything back together. If after replacing it your key fob isn’t working, there could be another issue that needs resolution. In any case, having a working key fob with fresh batteries will bring you one step closer to never being stranded again!

Looking for a specific CR2032 battery for your key fob? Look up below!

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