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

Ever found yourself locked out of your Lexus because the key fob battery died at the worst possible moment? Frustrating, right? But don’t worry – we’ve got your back! In this article, we’ll show you the quick and easy steps to change the battery on your Lexus key fob.

Imagine never having to deal with the panic of a dead key fob battery again. No more fumbling with keys or waiting for assistance. By learning this simple DIY skill, you’ll be in control and ready to tackle any unexpected situations with confidence.

Step 1: Gather Necessary Tools

To begin changing the battery on your Lexus key fob, make sure you have the following tools ready:

• Replacement battery: Ensure you have the correct type for your Lexus key fob.
• Small flat-head screwdriver: You’ll need this to open the key fob.
• Tweezers or needle-nose pliers: These will help you handle the small battery with ease.

Having these tools on hand will make the battery replacement process smooth and hassle-free.

Remember, preparation is key to successfully changing the battery on your Lexus key fob.

Step 2: Identify the Battery Type

When it comes to changing the battery in your Lexus key fob, the next crucial step is to identify the battery type. This is important because different key fobs may utilize various battery models.

Here are a few common battery types used in Lexus key fobs:

• CR1632
• CR2025
• CR2032

To determine the battery type for your specific key fob model, you can refer to the owner’s manual or open the key fob to check the current battery.

Identifying the correct battery type will ensure that you purchase the right replacement battery, allowing for a seamless transition when it comes time to swap out the old battery with the new one.

Step 3: Open the Key Fob

When it’s time to replace your Lexus key fob battery, opening the key fob is the next crucial step. Here’s how you can do it:

• Inspect the Key Fob: Look for a small indentation along the side of your key fob. This is usually where you’ll insert a screwdriver or coin to pry open the key fob.
• Use a Tool: Gently insert a flathead screwdriver or a coin into the slot. Twist the tool to separate the key fob’s halves.
• Mindful Separation: Be careful not to use excessive force while opening the key fob to avoid damaging it.
• Separate the Key Fob: Once you’ve successfully opened the key fob, carefully separate the halves to access the internal components.

Now that you’ve opened the key fob, you’re one step closer to replacing the battery.

Step 4: Remove the Old Battery

1. Locate the old battery inside the key fob.
2. Carefully remove the old battery using a tool like a small screwdriver or a coin.
3. Make sure not to damage the components inside while taking out the old battery.
4. Dispose of the old battery properly according to local regulations.

Step 5: Insert the New Battery

Once you have removed the old battery from your Lexus key fob, it’s time to insert the new one. Here’s how to do it correctly:

• Check the battery orientation: Look for markings inside the key fob that indicate the correct way to insert the battery.
• Place the new battery: Align the new battery in the designated slot, ensuring it fits snugly.
• Avoid touching the circuit board: Make sure your fingers only touch the edges of the battery to prevent any damage to the internal components.

Remember, inserting the new battery correctly is crucial for the proper functioning of your key fob. Take your time and follow these steps precisely to ensure a successful battery replacement process.

Step 6: Reassemble the Key Fob

Now that you have successfully replaced the battery in your Lexus key fob, it’s time to reassemble it. Follow these straightforward steps to complete the process:

• Take the back cover of the key fob and align it with the front part.
• Gently press the two halves together until you hear a click, indicating that they are securely fastened.
• Ensure that there are no gaps between the two halves of the key fob.
• Once the key fob is reassembled, test it to make sure the buttons are working correctly.
• If everything is in order, you have effectively changed the battery and reassembled your Lexus key fob.

Remember, proper reassembly is crucial to ensure the key fob functions correctly. Follow these steps carefully to avoid any issues with your key fob in the future.

Conclusion

That’s it! By following these simple steps, you can easily change the battery in your Lexus key fob. Remember to be cautious with the battery orientation and avoid any contact with the circuit board. Proper insertion is key to ensuring your key fob functions correctly. Once you’ve replaced the battery, reassemble the key fob securely. Test the buttons to make sure everything is working smoothly. With these steps, your Lexus key fob will be ready to go, keeping you on the move without any hiccups.

## Frequently Asked Questions

### How do I insert a new battery into my Lexus key fob?

To insert a new battery into your Lexus key fob, follow these steps:

1. Check the battery orientation markings inside the fob.
2. Align the new battery correctly in the designated slot.
3. Avoid contact with the circuit board to prevent damage.

### Why is proper battery insertion important for the key fob's functionality?

Proper battery insertion is crucial for the key fob's functionality because it ensures seamless operation and prevents potential issues due to incorrect alignment or contact with the circuitry.

### Any tips for reassembling the key fob after changing the battery?

When reassembling the key fob after changing the battery, make sure to:

1. Ensure a secure fit to prevent functionality issues.
2. Test the buttons post-reassembly to confirm proper operation.