Change Lexus Key Fob Battery: A Comprehensive Guide

Changing your Lexus key fob battery is a simple task that can save you time and money. This guide will walk you through the process, covering various Lexus models and addressing common issues. Whether you’re a car owner, mechanic, or automotive technician, this article provides valuable information on how to change your Lexus key fob battery effectively.

Learning how to Change Lexus Key Fob Battery is a crucial skill for any Lexus owner. A dead key fob battery can leave you stranded, unable to lock or unlock your car, and even prevent you from starting the engine. This guide will equip you with the knowledge and confidence to tackle this simple yet essential maintenance task. For a specific Lexus RX model, see our guide on lexus rx key fob battery change.

Identifying Your Lexus Key Fob Type

Different Lexus models have different key fob designs. Knowing your key fob type is the first step in changing the battery. Generally, Lexus key fobs fall into two categories: the standard flip key and the smart key. The standard flip key has a physical key blade that folds out, while the smart key is typically a sleek rectangular fob. Identifying the correct type will help you find the appropriate battery replacement and follow the right procedure. You might find the guide on how to change key fob battery lexus helpful for a general overview.

Tools Required for the Job

Before you begin, gather the following tools: a small flathead screwdriver or a similar tool for prying open the key fob, the correct replacement battery (typically a CR2032 or CR2016), and optionally, a small plastic pry tool to prevent scratching your key fob. Having these tools ready will make the process smoother and more efficient.

Tools for Changing Lexus Key Fob Battery

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

1. Locate the release button or notch: Most Lexus key fobs have a small release button or notch on the side. Press this button or insert the flathead screwdriver into the notch and gently pry open the key fob casing.
2. Identify the battery: Once the key fob is open, locate the battery. It’s usually a small, round, silver disc, often labeled CR2032 or CR2016.
3. Remove the old battery: Carefully pry out the old battery using the flathead screwdriver or plastic pry tool. Avoid damaging the key fob casing or the battery terminals.
4. Install the new battery: Insert the new battery, ensuring the positive (+) side faces upwards, matching the orientation of the old battery.
5. Reassemble the key fob: Close the key fob casing by aligning the two halves and pressing them together until they click shut.

For model-specific instructions, check out our guide on change battery in 2007 lexus key fob.

Common Issues and Troubleshooting

Sometimes, even after changing the battery, your Lexus key fob might not work. Here’s what to do:

• Check the battery orientation: Make sure the new battery is inserted correctly with the positive (+) side facing upwards.
• Clean the battery terminals: Use a cotton swab and a small amount of rubbing alcohol to clean the battery terminals inside the key fob. This can remove any corrosion that might be interfering with the connection.
• Try re-synchronizing the key fob: Consult your Lexus owner’s manual for instructions on how to re-synchronize your key fob with your vehicle. This process varies depending on the model and year.
• Consider a replacement key fob: If none of the above steps work, your key fob might be faulty and require replacement. Contact your local Lexus dealer or a qualified automotive locksmith for assistance.

If your Lexus is a 2008 model, our guide on 2008 lexus key fob battery change might be helpful.

“Ensuring proper battery installation is key,” advises John Smith, Senior Automotive Technician at Smith’s Auto Repair. “Double-checking the battery orientation and cleaning the contacts can prevent many common issues.”

How do I know if my Lexus key fob battery is low?

A common sign of a low key fob battery is decreased range. You might find you have to stand closer to your car for the key fob to work.

How often should I change my Lexus key fob battery?

It’s generally recommended to change your Lexus key fob battery every 2-3 years, or sooner if you notice signs of a low battery.

“Regularly changing your key fob battery can prevent unexpected lockouts and ensure your Lexus is always ready to go,” says Maria Garcia, Certified Automotive Electrician at Garcia’s Auto Electrical Services.

Conclusion

Changing your Lexus key fob battery is a quick and easy process that can save you the hassle of a dead key fob. By following the steps outlined in this guide and addressing any common issues, you can keep your Lexus key fob functioning smoothly. For a step-by-step guide for the Lexus GS300, see our article how to change battery in lexus gs300 key fob. Remember to always consult your owner’s manual for model-specific instructions.

FAQs

1. What type of battery does my Lexus key fob use? Most Lexus key fobs use a CR2032 or CR2016 battery.
2. Can I change the battery myself, or do I need to go to a dealer? You can easily change the battery yourself following the steps in this guide.
3. What if my key fob still doesn’t work after changing the battery? Check the battery orientation, clean the battery terminals, or try re-synchronizing the key fob. If it still doesn’t work, you might need a new key fob.
4. How long does a Lexus key fob battery last? Typically, a Lexus key fob battery lasts 2-3 years.
5. Where can I buy a replacement battery for my Lexus key fob? You can purchase replacement batteries at most auto parts stores, electronics stores, and online retailers.

Other questions and articles

• How to program a new Lexus key fob?
• Lexus key fob not working, what to do?
• Key fob replacement cost for Lexus models.

Need help with your Lexus key fob? Contact us via WhatsApp: +1 (641) 206-8880 or visit us at 1326 N Houston St, Amarillo, TX 79107, USA. We offer 24/7 customer support.