Looking to replace the battery in your Lexus key fob? Well, you’ve come to the right place! In this article, we’ll guide you through the simple steps to quickly and easily replace the battery in your Lexus key fob. No need to worry about the hassle of going to a dealership or spending a fortune on professional help. With our straightforward instructions, you’ll be back to using your key fob in no time. So, let’s dive right in and learn how to replace a Lexus key fob battery.
How to Replace a Lexus Key Fob Battery: A Comprehensive Guide
Having a functioning key fob is essential for every Lexus owner. It allows you to effortlessly lock, unlock, and even start your vehicle with just the press of a button. However, over time, the battery in your key fob may start to weaken, resulting in reduced range or unresponsive buttons. The good news is that replacing the battery is a relatively simple process that you can easily do yourself. In this comprehensive guide, we will walk you through the step-by-step process of replacing the battery in your Lexus key fob.
Gather the necessary tools
Before we begin, it’s important to have all the necessary tools ready. Here’s what you’ll need:
- Replacement battery (check your key fob model for the specific battery type)
- Small flathead screwdriver or a plastic pry tool
- Microfiber cloth or a soft towel
Determine the key fob type
Lexus key fobs come in different shapes and designs, each with its own method of opening and accessing the battery compartment. To ensure you follow the correct procedure, it’s crucial to determine the type of key fob you have. Here are the most common types:
- Rectangular key fob with a sliding panel
- Rectangular key fob with a removable back cover
- Square key fob with no visible screws
Rectangular key fob with a sliding panel
If your key fob has a rectangular shape and features a sliding panel, follow these steps:
- Locate the sliding panel on the back of the key fob.
- Slide the panel in the direction indicated by the arrows or grooves.
- Once the panel is fully extended, gently lift it to reveal the battery compartment.
Rectangular key fob with a removable back cover
For rectangular key fobs with a removable back cover, follow these steps:
- Inspect the back cover for a small indentation or slot.
- Insert a small flathead screwdriver or a plastic pry tool into the slot.
- Gently twist or pry the tool to pop open the back cover.
Square key fob with no visible screws
If your key fob is square-shaped and doesn’t have any visible screws, it likely uses a different mechanism to access the battery. Follow these steps:
- Examine the key fob for any seams or gaps.
- Insert a small flathead screwdriver or a plastic pry tool into the gap.
- Gently twist or pry the tool to separate the key fob’s halves.
Remove the old battery
Once you’ve successfully accessed the battery compartment, it’s time to remove the old battery. Follow these steps:
- Identify the battery type, noting the position of the positive (+) and negative (-) terminals.
- Use your thumb or a small tool to carefully pry the old battery out of its compartment.
- Dispose of the old battery properly, following the appropriate recycling guidelines.
Insert the new battery
Now that you have removed the old battery, it’s time to insert the new one. Follow these steps:
- Take the new battery and ensure it matches the type and specifications of the old battery.
- Pay attention to the position of the positive (+) and negative (-) terminals.
- Align the new battery with the correct polarity and gently press it into the battery compartment.
Close the key fob
With the new battery in place, it’s time to close the key fob. Follow these steps depending on the type of key fob:
Rectangular key fob with a sliding panel
- Ensure the battery compartment is secure and free of any debris.
- Slide the panel back into its original position until it clicks or locks into place.
Rectangular key fob with a removable back cover
- Line up the back cover with the key fob’s body.
- Press firmly on the cover until it snaps back into place.
Square key fob with no visible screws
- Carefully align the two halves of the key fob, ensuring the buttons and edges match up.
- Apply gentle pressure to snap the key fob back together.
Test the key fob
After closing the key fob, it’s important to test its functionality to ensure the new battery is working correctly. Follow these steps:
- Stand near your Lexus vehicle and press the buttons on the key fob.
- Check if the doors lock and unlock as expected.
- Test the remote start function if your vehicle is equipped with it.
If the key fob is still unresponsive or the range is significantly reduced, double-check that the battery is inserted correctly and securely. If the problem persists, you may need to seek professional assistance.
Maintaining your Lexus key fob
To ensure your Lexus key fob continues to function optimally, consider the following maintenance tips:
- Keep your key fob clean by wiping it with a microfiber cloth or a soft towel.
- Avoid exposing the key fob to extreme temperatures or moisture.
- Replace the battery every 12-24 months, depending on usage and battery life.
- Store spare batteries in a cool, dry place.
By following these simple maintenance practices, you can prolong the lifespan of your Lexus key fob and prevent any unexpected issues.
Replacing the battery in your Lexus key fob is a manageable task that can save you time and money. With the step-by-step instructions provided in this comprehensive guide, you can confidently replace the battery and restore full functionality to your key fob. Remember to always use the correct battery type and follow the recommended maintenance practices to ensure a smooth and hassle-free experience with your Lexus key fob.
Frequently Asked Questions
How do I replace the battery in my Lexus key fob?
To replace the battery in your Lexus key fob, follow these steps:
What type of battery does a Lexus key fob use?
A Lexus key fob typically uses a CR1632 or CR1616 lithium battery. However, it is always recommended to check your vehicle’s owner’s manual for the specific battery type.
Where is the battery located in a Lexus key fob?
The battery in a Lexus key fob is usually located on the backside of the fob. You will need to remove the back cover to access the battery compartment.
How do I remove the back cover of my Lexus key fob?
To remove the back cover of your Lexus key fob, you can use a small flathead screwdriver or a coin. Insert the tool into the small slot on the side of the fob and twist it gently to pop open the cover.
Can I replace the battery in my Lexus key fob myself?
Yes, replacing the battery in a Lexus key fob is a simple process that you can do yourself. Just make sure to use the correct battery type and follow the instructions provided in your vehicle’s owner’s manual.
What do I do if my Lexus key fob still doesn’t work after changing the battery?
If your Lexus key fob still doesn’t work after replacing the battery, you may need to try reprogramming the fob. Refer to your vehicle’s owner’s manual for instructions on how to reprogram the key fob or contact a Lexus dealership for assistance.
Final Thoughts
To replace a Lexus key fob battery, follow these simple steps. First, locate the small release button on the back of the fob and press it to release the key. Next, use a small screwdriver to gently pry open the fob and expose the battery compartment. Remove the old battery and insert a new one, ensuring the correct polarity. Finally, snap the fob back together and reattach the key. By following these easy instructions, you can successfully replace your Lexus key fob battery and ensure uninterrupted use of your keyless entry system. How to replace a Lexus key fob battery is now a simple task that you can easily accomplish.
