Introduction
Replacing the battery in your Toyota Avalon key fob is a simple task you can do at home. This guide will take you through the steps needed to open the key fob and replace the internal battery. All you need is a flathead screwdriver and a CR2016 battery.
- 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
Gather Your Tools
Before you start, make sure you have the necessary tools. You will need the following:
- Flathead screwdriver
- CR2016 coin battery
If you don’t have a CR2016 battery, you can purchase one online. There’s a link in the description for your convenience.
Opening the Key Fob
The first step in replacing the battery is to open the key fob. Follow these instructions carefully:
- Locate the slot where the key ring attaches.
- Insert the flathead screwdriver into this slot.
- Ensure the buttons are facing down and the back side is up.
- Twist the screwdriver to open the key fob.
Hold the key fob loosely while twisting to avoid losing any parts.
Removing the Internal Box
Once the key fob is open, you will see a small internal box. Carefully lift this box out.
- Be cautious with the rubber mat and plastic buttons.
- Set the internal box aside for now.
Opening the key fob upside down will prevent the buttons from falling out.
Opening the Battery Compartment
Next, locate the battery compartment. Follow these steps:
- Find the arrow pointing to a slot that says “use coin to open.”
- Insert the flathead screwdriver or a coin into this slot.
- Twist to open the battery compartment.
You can use a coin if you don’t have a screwdriver.
Replacing the Battery
With the battery compartment open, you can now replace the old battery:
- Use the flathead screwdriver to pry out the old battery.
- Dispose of the old battery properly.
- Insert the new CR2016 battery with the positive side facing up.
Make sure the text on the battery is facing up.
Reassembling the Key Fob
After replacing the battery, it’s time to reassemble the key fob:
- Carefully pick up the internal box.
- Orient it correctly and set it back in place.
- Click the back of the key fob into place.
Ensure everything is secure and properly aligned.
Testing the Key Fob
Once you’ve reassembled the key fob, test it to make sure everything is working:
- Press any button on the key fob.
- Check if the red light comes on.
If the red light is on, your battery replacement was successful.
- 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
Replacing the battery in your Toyota Avalon key fob is a straightforward process. With just a flathead screwdriver and a CR2016 battery, you can do it yourself in minutes. If this guide helped you, feel free to leave a comment or give it a like.
FAQ
What tools do I need to replace the battery?
You will need a flathead screwdriver and a CR2016 battery.
How do I open the key fob?
Insert the flathead screwdriver into the slot where the key ring attaches and twist to open.
What should I do if the buttons fall out?
Open the key fob with the buttons facing down to prevent them from falling out.
How do I know if the battery replacement was successful?
Press a button on the key fob. If the red light comes on, the replacement was successful.
Can I use a different type of battery?
No, you should use a CR2016 battery for best results.
Do I need to reprogram the key fob after replacing the battery?
No, replacing the battery does not require reprogramming the key fob.
Is there any risk of damaging the key fob?
As long as you follow the instructions carefully, there is minimal risk of damage.
Can I use a coin to open the battery compartment?
Yes, you can use a coin if you don’t have a flathead screwdriver.
How often should I replace the key fob battery?
Replace the battery when you notice decreased range or the red light fails to come on.
Where can I buy a CR2016 battery?
You can purchase a CR2016 battery online.
- 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