2015 Lexus IS250 Key Fob Battery Replacement: A Comprehensive Guide

Replacing the battery in your 2015 Lexus IS250 key fob is a simple task that can save you time and money. This guide will walk you through the process step-by-step, providing clear instructions and helpful tips. We’ll also cover frequently asked questions and common issues to help you troubleshoot any problems you might encounter.

Knowing how to change your key fob battery can prevent those frustrating moments when your car doesn’t respond. Plus, you’ll avoid a costly trip to the dealership or an auto locksmith. You can find out more about Lexus key fob battery sizes at our dedicated page: lexus key fob battery size.

Identifying the Correct Battery for Your 2015 Lexus IS250 Key Fob

The first step is identifying the correct battery. Your 2015 Lexus IS250 key fob uses a CR2032 battery, a common type readily available at most stores. It’s a small, circular, lithium battery. Make sure you have a fresh CR2032 battery on hand before you begin the process.

Step-by-Step Guide to 2015 Lexus IS250 Key Fob Battery Replacement

Locate the release button: On the side of your Lexus key fob, you’ll find a small release button. This button releases the metal emergency key.
Release the emergency key: Press the release button and slide the emergency key out.
Open the key fob: Use the tip of the emergency key or a small flat-head screwdriver to gently pry open the key fob casing. Insert the tool into the slot where the emergency key was located and carefully twist to separate the two halves of the fob.
Remove the old battery: Once the fob is open, you’ll see the CR2032 battery. Gently pry it out using your fingernail or the flat-head screwdriver.
Install the new battery: Insert the new CR2032 battery, ensuring the positive (+) side faces up.
Close the key fob: Align the two halves of the key fob and press them together until they snap shut.
Reinsert the emergency key: Slide the emergency key back into its slot.

Having trouble with your key fob unlocking your car? Check our guide on lexus is250 key fob not unlocking car.

Common Issues and Troubleshooting

Sometimes, even after replacing the battery, your key fob might not work. Here are a few common issues and how to troubleshoot them:

Key fob still not working: Try reprogramming the key fob to your car. Your owner’s manual should have instructions on how to do this.
Key fob works intermittently: The battery contacts inside the key fob might be dirty or corroded. Clean them with a cotton swab and rubbing alcohol.
Key fob damaged: If the key fob is physically damaged, you may need a lexus is250 replacement key fob.

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Why Is My Key Fob Not Working After Battery Replacement?

Sometimes, the key fob simply needs to be re-synchronized with the car after a battery change. Check your owner’s manual for the specific reprogramming instructions for your 2015 Lexus IS250.

How Long Does a Lexus Key Fob Battery Last?

Typically, a Lexus key fob battery lasts between 3 to 4 years. However, this can vary depending on usage and environmental factors.

“Regularly checking and replacing your key fob battery can prevent unexpected lockouts,” advises John Smith, Senior Automotive Technician at KEYFOBPROG. “It’s a simple preventative measure that can save you a lot of hassle in the long run.”

How Do I Open My Lexus Key Fob?

Opening a Lexus key fob is easy with the right tools. Check out our guide on opening lexus key fob for detailed instructions.

Opening a Lexus Key Fob with the Emergency Key

“Remember to be gentle when opening your key fob to avoid breaking the casing,” adds Sarah Johnson, Key Fob Programming Specialist at KEYFOBPROG. “A little patience goes a long way.”

Conclusion

Replacing the 2015 Lexus IS250 key fob battery is a quick and easy DIY project. With a fresh CR2032 battery and these simple instructions, you can save yourself time and money. By following this guide, you’ll be back on the road in no time.

New CR2032 Battery for Lexus Key Fob

FAQ

What type of battery does a 2015 Lexus IS250 key fob use? A CR2032 battery.
Where can I buy a CR2032 battery? Most convenience stores, electronics stores, and online retailers.
How do I know if my key fob battery is dead? The car won’t respond to the key fob.
How long does it take to replace the battery? A few minutes.
Can I replace the battery myself? Yes, it’s a simple DIY task.
What if my key fob still doesn’t work after replacing the battery? Try reprogramming the key fob or cleaning the battery contacts.
How often should I replace my key fob battery? Every 3-4 years, or sooner if you notice it’s not working as well.