How to Change Key Fob Battery Lexus RX 350

Having trouble with your Lexus RX 350 key fob? A dead battery might be the culprit! Luckily, replacing the key fob battery in a Lexus RX 350 is a simple task that you can do yourself in minutes. This guide will provide a step-by-step walkthrough on how to change your key fob battery, saving you a trip to the dealership.

Understanding Your Lexus RX 350 Key Fob

Before we begin, it’s helpful to understand the components of your key fob. The Lexus RX 350 key fob typically uses a CR2032 battery, a common type of button battery found in many electronics.

Signs You Need a New Key Fob Battery

Several signs indicate a dying key fob battery. If you’re experiencing any of these issues, it’s time for a replacement:

• Decreased signal range: You need to be closer to your car for the key fob to work.
• Intermittent functionality: The key fob works sporadically or not at all.
• Warning lights on the dashboard: Your Lexus may display a “Key Fob Battery Low” warning.

Gathering Your Tools

You only need a few tools to change the battery:

• A new CR2032 battery: Available at most hardware and auto parts stores
• A small flat-head screwdriver

Step-by-Step Guide to Change Your Lexus RX 350 Key Fob Battery

Now, let’s replace that battery:

1. Locate the release button: On the back of your key fob, find a small, indented button.
2. Release the key: Press and hold the release button while gently sliding out the metal key from the fob.
3. Open the fob casing: Use the flat-head screwdriver to carefully pry open the key fob casing. Insert the screwdriver into the notch where the metal key was removed.
4. Remove the old battery: Gently lift out the old CR2032 battery. Note the position of the positive (+) and negative (-) sides.
5. Insert the new battery: Place the new CR2032 battery into the compartment, ensuring the positive (+) side faces up, just like the old battery.
6. Reassemble the key fob: Align the two halves of the key fob casing and press them together until you hear a click, indicating it’s securely closed.
7. Reinsert the metal key: Slide the metal key back into its slot on the fob until it locks in place.
8. Test the key fob: Ensure the new battery works by locking and unlocking your car using the remote buttons.

Lexus RX350 Key Fob Disassembly

Still Having Trouble? Keyfobprog Can Help!

While replacing the key fob battery is a straightforward process, there can be instances where you might face difficulties or require additional assistance. That’s where Keyfobprog comes in. We are a leading provider of automotive Key Fob Programming and replacement services.

Here’s how Keyfobprog can help:

• Expert Key Fob Services: Our team of skilled technicians specializes in programming and replacing key fobs for all Lexus models, including the RX 350.
• Troubleshooting and Diagnostics: If you’re unsure whether a dead battery is the issue or suspect a more complex problem, we can diagnose the issue and provide the right solution.
• Genuine Parts and Equipment: We use only genuine Lexus parts and advanced programming equipment to ensure optimal performance and compatibility.

Don’t let a dead key fob leave you stranded! Contact Keyfobprog today for all your Lexus RX 350 key fob needs.

Contact Information:

Phone: +1 (641) 206-8880
Office: 1326 N Houston St, Amarillo, TX 79107, USA

FAQs about Lexus RX 350 Key Fob Battery Replacement

1. How often should I change my Lexus RX 350 key fob battery?

Typically, the key fob battery should last 3 to 5 years, depending on usage.

2. Can I use any brand of CR2032 battery?

While any brand should work, using a reputable brand known for its quality and longevity is recommended.

3. What if I replace the battery, and the key fob still doesn’t work?

There might be a programming issue or a problem with the key fob itself. Contact Keyfobprog for expert assistance.

4. Can I damage my key fob by replacing the battery myself?

As long as you follow the instructions carefully and handle the components gently, you are unlikely to cause any damage.

5. Does Keyfobprog offer services in my area?

Keyfobprog provides services across the country. Contact us to inquire about availability in your location.

Installing the New CR2032 Battery

Remember, a well-functioning key fob is crucial for the convenience and security of your Lexus RX 350. By following this guide, you can easily replace the battery yourself and enjoy uninterrupted access to your vehicle.