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Replace Lexus Key Fob Battery: A Comprehensive Guide

Lexus Key Fob Battery Replacement

Replacing your Lexus key fob battery is a simple task you can do yourself, saving you time and money. This guide will walk you through the process, covering everything from identifying the right battery to properly installing it and ensuring your key fob functions correctly. how to replace lexus key fob battery

Why Replace Your Lexus Key Fob Battery Yourself?

Dealerships often charge a premium for simple tasks like replacing a key fob battery. Doing it yourself not only saves you money but also empowers you to maintain your vehicle. It’s a quick, easy process that requires minimal tools and no technical expertise. You’ll be surprised how satisfying it is to take care of this small but essential maintenance task.

Lexus Key Fob Battery ReplacementLexus Key Fob Battery Replacement

What You’ll Need to Replace Lexus Key Fob Battery

Before you start, gather these few simple items:

  • A new CR2032 battery: This is the standard battery for most Lexus key fobs.
  • A small flathead screwdriver or a similar tool for prying: Check your key fob for a dedicated slot or notch.
  • A soft cloth or tissue: To clean the battery contacts.

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

Here’s a detailed walkthrough to help you replace the battery in your Lexus key fob:

  1. Locate the release button or notch: Most Lexus key fobs have a small release button or notch on the side. This releases the mechanical key.
  2. Remove the mechanical key: Gently push the release button and slide the mechanical key out.
  3. Pry open the key fob: Insert the flathead screwdriver into the slot or notch revealed after removing the mechanical key. Gently pry open the key fob casing. Be careful not to damage the plastic.
  4. Identify and remove the old battery: The old battery will be a small, round CR2032 battery. Carefully remove it, noting its orientation.
  5. Install the new battery: Insert the new CR2032 battery, ensuring it’s in the same orientation as the old one. Press it firmly into place.
  6. Close the key fob casing: Align the two halves of the key fob and press them together until they snap shut.
  7. Reinsert the mechanical key: Slide the mechanical key back into its slot until it clicks.
  8. Test the key fob: Try locking and unlocking your car to make sure the new battery is working.

Lexus Key Fob Battery InstallationLexus Key Fob Battery Installation

lexus es 350 key fob battery replacement This process is similar for various Lexus models. While specific details may vary slightly, the fundamental steps remain the same.

Troubleshooting Tips

If your key fob still doesn’t work after replacing the battery, here are a few things to check:

  • Battery orientation: Ensure the new battery is installed correctly, with the positive (+) side facing up.
  • Clean battery contacts: Use a soft cloth or cotton swab to clean the battery contacts inside the key fob.
  • Try a different battery: Sometimes, a new battery can be faulty. Try a different CR2032 battery to rule this out.

“A common oversight is improper battery installation,” says John Smith, Senior Automotive Electrical Technician at Advanced Auto Solutions. “Double-checking the orientation can often resolve the issue.”

How Long Does a Lexus Key Fob Battery Last?

Typically, a Lexus key fob battery lasts between 3 to 5 years. However, factors like usage and climate can affect its lifespan.

lexus rx 350 key fob battery replacement Similar battery replacement procedures apply to other Lexus models like the RX 350.

how to replace the battery in a lexus key fob Learning how to replace your key fob battery is a valuable skill that can save you time and money in the long run.

how to replace battery in lexus key fob This straightforward process allows you to maintain your Lexus key fob with ease.

Lexus Key Fob WorkingLexus Key Fob Working

Conclusion

Replacing your Lexus key fob battery is a simple and cost-effective DIY task. By following this comprehensive guide, you can easily replace the battery yourself and keep your Lexus key fob working perfectly.

FAQ

  1. What type of battery does a Lexus key fob use?
    • A CR2032 battery.
  2. How often should I replace my Lexus key fob battery?
    • Every 3 to 5 years, or sooner if you notice decreased range.
  3. What tools do I need to replace the battery?
    • A small flathead screwdriver and a new CR2032 battery.
  4. What if my key fob still doesn’t work after replacing the battery?
    • Check the battery orientation, clean the contacts, or try a different battery.
  5. Can I damage my key fob by replacing the battery myself?
    • It’s unlikely if you follow the instructions carefully and apply gentle pressure when prying open the casing.
  6. Where can I purchase a replacement CR2032 battery?
    • Most electronics stores, pharmacies, and online retailers sell CR2032 batteries.
  7. Is it easier to just have the dealership replace the battery?
    • While convenient, it’s typically more expensive than doing it yourself. The process is simple enough to handle at home.