How to Change Toyota Car Key Battery? Replacement Guide

Toyota car keys are definitely something that you don’t want to break. If you have a Toyota, it is important to know how to change the battery in your Toyota key so that you can avoid being stranded. This article will teach you what steps need to be taken for changing your Toyota car key battery and how long they usually last.

You’ll also learn about some of the best practices for maintaining them as well as some tips on what not to do with your new toy. With these helpful hints, there’s no reason why anyone should ever be stranded again.

What Is The Toyota Car Key Battery?

The Toyota car key battery is a small, circular battery that is located in the fob of the key. It is used to power the key’s functions, such as locking and unlocking the car doors. The battery usually lasts for around two years, but it can vary depending on how often it is used.

How To Change Toyota Car Key Battery?

Changing the battery of your Toyota car key is very easy. Here are some helpful hints to remember when changing your battery.

1) Make sure that you have a replacement battery ready for your new Toyota key fob. You can find these batteries at any local parts store. They usually come in packs of two, so make sure you have an extra just in case your original battery dies before you have time to replace it.

2) Use a small Philips head screwdriver to remove the screws from your Toyota key fob casing. There are usually two on the back, so be sure to take them out.

3) Pry open the case of your Toyota key fob and remove the old battery.

4) Insert the new battery into the Toyota key fob casing and replace the screws.

5) Close the case of your Toyota key fob and test the key to make sure that it is working properly.

Tips For Maintaining Your Toyota Car Key Battery:

There are a few simple things that you can do to help maintain your Toyota car key battery. Here are a few tips to keep in mind.

1) Keep the key fob out of direct sunlight. The sun can cause the battery to drain more quickly.

2) Do not expose the key fob to water or moisture. This can also damage the battery and cause it to die more quickly.

3) Don’t carry extra keys or anything else that can hit the key fob, such as loose change. This can bruise the battery and cause it to break down at a quicker pace than normal.

4) Turn off your Toyota key fob when you aren’t using it. If you have a car alarm, turn that off too. This can help conserve the battery life and make it last longer.

What Not To Do With Your Toyota Car Key Battery?

There are some things that you should never do with your Toyota key fob battery in order to keep it working correctly. Here’s a list of what not to do.

1) Do not remove the battery from the key fob. If you do, it will lose its programming and you won’t be able to start your car.

2) Do not try to recharge a dead battery. This can damage the battery and make it unusable.

3) Do not use alkaline batteries. These batteries will last for a shorter amount of time than other types.

4) Do not expose the battery to any kind of harsh chemicals or solvents, such as gasoline. This can damage the Toyota car key and kill the battery life.

5) Do not store your key fob in very high or low temperatures. Keep it in a place that is around room temperature.

Toyota Car Key Battery Life:

The typical Toyota car key battery usually lasts for two years before needing to be replaced. However, this can vary depending on how often the key fob is used and what type of batteries are installed in it. In general, you should try to replace the battery every two years to keep it functioning properly.

Problems With Changing A Toyota Car Key Battery:

Sometimes you might have some problems when trying to change the battery of your Toyota car key. Here are some common issues that you might run into.

1) Removing the screw covers can be difficult if you have big hands or fat fingers. This is because the space on the Toyota key fob is very small. Be careful when attempting to remove the screws so you don’t break the key fob case.

2) If your Toyota key fob loses its programming, then it will need to be re-programmed by a professional at your local dealership or with an online service, such as Keys Duplicated.

3) Don’t try to use rechargeable batteries in a Toyota key fob. Rechargeable batteries will not work with your car’s technology and can cause damage to the battery and other components.

How Much Does It Cost To Replace A Toyota Car Key Battery?

In general, you can expect to spend around $50 to have a local locksmith or dealership replace the battery in your Toyota car key. This price may vary depending on the type of battery that is used and the location where you have it replaced.

You can also purchase replacement batteries from online retailers for around $10 to $15. So, if you think that you might be able to replace the battery yourself, it might be worth buying a new one to save some money.

Benefits of Changing a Toyota Car Key Battery:

There are a few benefits of changing the battery in your Toyota car key. Here are a few of the top reasons why you might want to consider doing it.

1) It can help you save money in the long run, as batteries usually need to be replaced every two years or so.

2) It can help keep your car from being stolen, as a dead battery will prevent the car from starting.

3) It can help keep your car in good condition, as a weak or dead battery can cause other problems with the car’s electrical system.

4) It’s an easy way to keep your car running smoothly and without any problems.

Now that you know how to change your Toyota car key battery, you’ll never have to worry about being stranded again! Be sure to follow these simple tips to help maintain the battery life and keep your key fob working correctly. Thanks for reading.


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Yusuke Kohara
By Yusuke Kohara

Hi, my name is Yusuke Kohara. I'm a research scientist with 20+ years of experience in the battery industry. My knowledge and expertise has been applied to power electric vehicles, mobile electronics, and more! I am also a true car enthusiast. It’s not just about cars for me - it's about all things automotive! I enjoy helping others find their perfect vehicle by providing detailed buying guides as well as reviews on different types of batteries from various manufacturers across the world.


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