How to Replace Battery for Lexus Key Fob

Replacing the battery in your Lexus key fob is a simple task that can save you time and money. A dead key fob battery can leave you stranded, so knowing how to replace it yourself is essential. This guide will provide clear, step-by-step instructions on how to replace the battery for various Lexus key fob models.

Learning how to replace your Lexus key fob battery is a valuable skill. After reading this article, you’ll be able to confidently tackle this task yourself, avoiding the inconvenience and cost of a dealership visit. For specific instructions on the 2015 Lexus IS250, check out our guide on 2015 lexus is250 key fob battery replacement.

What You’ll Need to Replace Your Lexus Key Fob Battery

Before you begin, gather the following:

A new CR2032 battery (this is the most common type for Lexus key fobs)
A small flathead screwdriver or a similar tool for prying
Optional: A small container to hold the screws

Step-by-Step Guide: How to Replace a Lexus Key Fob Battery

The process is generally similar across different Lexus models, although there might be slight variations. Here’s a general guide:

Locate the release button: This is usually a small button on the side of the key fob. Press this button to release the metal key blade.
Pry open the key fob: Use the flathead screwdriver (or similar tool) to carefully pry open the key fob casing. Start at the seam where the metal key was released. Be gentle to avoid damaging the plastic.
Locate the battery: The battery is usually located in a small compartment within the key fob.
Remove the old battery: Carefully pry out the old battery. Note its orientation for installing the new one.
Install the new battery: Place the new CR2032 battery in the compartment, ensuring it matches the orientation of the old battery. Press it firmly into place.
Close the key fob: Align the two halves of the key fob casing and press them together until they snap shut.
Reinsert the metal key: Insert the metal key back into its slot.

Common Issues When Replacing Lexus Key Fob Batteries

While the process is generally straightforward, you might encounter a few common issues:

Difficulty prying open the key fob: If the key fob is particularly tight, try using a slightly thinner tool or wrapping the flathead screwdriver in a thin cloth to prevent scratching. If you are still struggling, you may have a model with hidden screws. Refer to your owner’s manual.
Incorrect battery type: Always use a CR2032 battery. Using the wrong type can damage the key fob.
Key fob not working after battery replacement: Ensure the battery is installed correctly and try re-synchronizing the key fob with your car (check your owner’s manual for instructions).

Common Problems Replacing Lexus Key Fob Battery

How Long Does a Lexus Key Fob Battery Last?

Typically, a Lexus key fob battery lasts between 3 to 5 years, depending on usage. Signs of a low battery include decreased range or the need to be closer to the vehicle for the key fob to work. Need help with your Lexus RX350 key fob? Check out our guide on how to replace battery in lexus rx350 key fob.

Lexus Key Fob Programming

Sometimes, after replacing the battery, you might need to reprogram your key fob. This process varies depending on the Lexus model and year. Consult your owner’s manual or a professional locksmith for specific instructions. For information about the 2007 Lexus GS 350 key fob battery, see our guide: 2007 lexus gs 350 key fob battery.

Why Knowing How to Replace Your Lexus Key Fob Battery is Important

Knowing how to replace your Lexus key fob battery is a valuable skill that can save you time and money. A dead key fob can be a major inconvenience, leaving you stranded and unable to start your vehicle. By learning this simple task, you can avoid the hassle and expense of calling a locksmith or visiting a dealership. If you’re looking for instructions on the 2014 Lexus ES300, take a look at our article: 2014 lexus es300 key fob battery.

Benefits of Knowing How to Replace Your Lexus Key Fob Battery

Conclusion

Replacing the battery for your Lexus key fob is a quick and easy process that anyone can do with the right tools and instructions. By following this guide, you can save yourself the cost and inconvenience of a dealership visit. Knowing how to replace your Lexus key fob battery yourself empowers you to quickly resolve this issue whenever it arises. For more information on the Lexus LS460 key fob battery replacement, refer to replace key fob battery lexus ls460.

FAQ

What type of battery does a Lexus key fob use? A CR2032 battery.
How long does a Lexus key fob battery last? Typically 3-5 years.
What do I do if my key fob doesn’t work after replacing the battery? Ensure correct installation and try re-synchronizing the key fob.
Where can I find specific instructions for my Lexus model? Your owner’s manual.
What tools do I need to replace the battery? A small flathead screwdriver and a new CR2032 battery.
Do I need to reprogram my key fob after replacing the battery? Sometimes, consult your owner’s manual.
Can I damage my key fob if I use the wrong battery? Yes, always use a CR2032.

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