DARCARS Lexus of Mt. Kisco

Mar 22, 2024

The key fob is an essential component for the convenience and functionality of your Lexus, but after a while, the battery in your key fob may weaken or give out over time. Changing a Lexus key fob battery is a simple task that you can accomplish in a few minutes with the right tools and instructions.

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Changing Your Lexus Key Fob

Identifying the Right Battery Type

Before you begin, ensure you have the correct replacement battery. Lexus key fobs typically use a CR2032 battery type, but it is best to check your owner’s manual or remove the old battery first to confirm the type. These batteries are readily available at many electronics stores or automotive suppliers.

Gathering Necessary Tools

Explore options for a key fob pry tool. These tools should help you open the key fob case without damaging it.

Opening the Key Fob

Carefully insert the pry tool into the seam of the key fob. Gently twist the tool to pry open the case. It is important to do this gently to help avoid damaging the key fob. Once the case is open, you will have access to the battery.

Removing the Old Battery

The battery is usually held in place by a small clip. Carefully dislodge the old battery from its position. It might require a gentle pry, but ensure you apply minimal force to help avoid damaging the key fob’s internal components.

Installing the New Battery

Take your new battery, making sure it is facing the correct direction. Gently place the new battery in the compartment, ensuring it sits securely under the clip.

Testing the Key Fob

Before reassembling the key fob, it is a good idea to test it. Stand near your Lexus and try locking and unlocking the doors or starting the car if it has a push-button start. If the key fob does not work, check that the battery is going in the right direction, and that it’s firmly under the clip.

Reassembling the Key Fob

Once the new battery is working, align the two halves of the key fob and gently snap them back together. Make sure the case is properly sealed to help avoid any damage from external elements.

Have Questions About Your Lexus Key Fob in Mt. Kisco, NY?

For additional assistance or if you encounter any issues while changing the battery in your Lexus key fob, contact us at DARCARS Lexus of Mt. Kisco in Mt. Kisco, NY. Our knowledgeable team are always ready to provide expert advice and assistance to ensure your Lexus experience remains seamless.