How to Replace the Battery in a Toyota Sequoia Key Fob (2019 – 2021)

Introduction

In this guide, I’ll walk you through the steps to replace the battery in your Toyota Sequoia key fob. Whether you have the three-button or four-button version, the process is the same. This DIY task is simple and can save you time and money.

Let’s dive into the step-by-step instructions to get your key fob working like new again.

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Energizer 2016 Batteries, 3 Volt Battery Lithium Coin, 2 Count
  • Used in heart rate monitors, keyless entry, glucose monitors, toys & games
  • Important: Coin Lithium batteries are not interchangeable; Both the diameter and thickness can vary based on the cell designation; While some device battery compartments may be sized in a way that different battery types can fit in the compartment, the capacities will vary by size
  • Reliable, dependable power

Materials Needed

Before we start, make sure you have the following items:

  • CR2016 coin battery
  • Flathead screwdriver

You can purchase the CR2016 battery online. Check the link in the description to get it from Amazon.

Step-by-Step Instructions

Step 1: Locate the Key Ring Slot

First, find the slot where the key ring attaches to the key fob. This is a small indentation in the plastic.

Make sure the back side of the key fob is facing up, with the Toyota symbol visible.

Step 2: Open the Key Fob

Insert your flathead screwdriver into the slot and twist it gently.

This will pop open the back piece of the plastic.

Remove this piece and set it aside.

Step 3: Remove the Internal Component

Carefully pull out the internal component of the key fob.

Be cautious, as the buttons may fall out if you’re not careful.

Set the component down gently.

Step 4: Open the Internal Component

At the top of the internal component, use your flathead screwdriver or a coin.

Insert the tool between the black plastic and the clear plastic wall.

Twist gently to crack it open.

Remove the cover and set it aside.

Step 5: Remove the Old Battery

Use the flathead screwdriver to get under the top of the battery.

Wiggle the corner of the screwdriver under the battery and push it out.

The battery should come out easily.

Step 6: Insert the New Battery

Make sure you are using a CR2016 battery.

Check the positive side of the battery, which should face up.

Click the new battery into place, ensuring the plus sign is visible.

Step 7: Reassemble the Key Fob

Carefully lift the internal component and set it back into the key fob.

Click the back piece of the plastic back onto the key fob.

Ensure everything is securely in place.

Sale
Energizer 2016 Batteries, 3 Volt Battery Lithium Coin, 2 Count
  • Used in heart rate monitors, keyless entry, glucose monitors, toys & games
  • Important: Coin Lithium batteries are not interchangeable; Both the diameter and thickness can vary based on the cell designation; While some device battery compartments may be sized in a way that different battery types can fit in the compartment, the capacities will vary by size
  • Reliable, dependable power

Conclusion

That’s all it takes to replace the battery in your Toyota Sequoia key fob. This quick and easy process can be done at home with minimal tools.

If you found this guide helpful, feel free to leave a comment or like the video to help others find it. For more tutorials on changing key fob batteries for different makes and models, visit our website at fobbattery.com.

FAQ

What type of battery do I need?

You need a CR2016 coin battery for the Toyota Sequoia key fob.

Can I use a different type of battery?

No, using a different type of battery may damage the key fob.

Where can I buy the CR2016 battery?

You can purchase the CR2016 battery on Amazon.

Sale
Energizer 2016 Batteries, 3 Volt Battery Lithium Coin, 2 Count
  • Used in heart rate monitors, keyless entry, glucose monitors, toys & games
  • Important: Coin Lithium batteries are not interchangeable; Both the diameter and thickness can vary based on the cell designation; While some device battery compartments may be sized in a way that different battery types can fit in the compartment, the capacities will vary by size
  • Reliable, dependable power

Will this guide work for other Toyota models?

This guide is specific to the Toyota Sequoia 2019-2021 models. For other models, refer to our website for detailed guides.

What if the buttons fall out while opening the key fob?

If the buttons fall out, you can easily place them back in their correct positions. It might take a few minutes, but it’s not difficult.

How often do I need to replace the key fob battery?

The battery typically lasts for 1-2 years, depending on usage. Replace it when you notice a decrease in range or responsiveness.

Can I use a coin instead of a screwdriver?

Yes, you can use a coin to open the internal component of the key fob. Just be gentle to avoid damaging the plastic.

Is it safe to replace the battery myself?

Yes, replacing the battery yourself is safe and straightforward. Just follow the steps carefully.

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