How to Change Battery in 2020 Lexus RX350 Key Fob

Changing the battery in your 2020 Lexus RX350 key fob is a quick and easy process that can save you the hassle and expense of a trip to the dealership. This guide will walk you through the simple steps, so you can get back on the road in minutes.

Why Change Your Key Fob Battery Yourself?

Knowing how to change the battery in your 2020 Lexus RX350 key fob is a valuable skill. Not only does it save you money, but it also saves you time. Imagine your key fob dying at the most inconvenient time – a late night, a remote location, or just when you’re in a rush. Being prepared can alleviate a lot of potential stress.

Signs You Need a New Key Fob Battery

Before we dive into the how-to, let’s look at some telltale signs that your 2020 Lexus RX350 key fob battery is on its last leg:

Reduced Range: Do you find yourself having to stand closer to your vehicle to unlock it? This is a classic sign of a weakening battery.
Intermittent Functioning: Is your key fob working sometimes but not others? This inconsistent behavior often points to a dying battery.
Dim Indicator Light: The indicator light on your key fob should flash brightly when you press a button. If it’s dim or not flashing at all, it’s time for a new battery.

Tools You’ll Need

The good news is you don’t need any specialized tools for this job. Here’s what you’ll need:

A small flathead screwdriver
A new CR2032 battery (readily available at most stores)

Step-by-Step Guide to Changing the Battery in your 2020 Lexus RX350 Key Fob

Now, let’s get down to business. Here’s a step-by-step guide on how to change the battery in your 2020 Lexus RX350 key fob:

Locate the Release Button: On the side of your key fob, you’ll find a small release button.
Release the Metal Key: Press the release button and slide the metal key out of the fob.
Open the Key Fob: Use the metal key or your flathead screwdriver to gently pry open the key fob casing. Start at the notch where the metal key was located. Be careful not to damage the plastic.
Remove the Old Battery: Once the fob is open, you’ll see the CR2032 battery. Gently pry it out using your flathead screwdriver.
Install the New Battery: Insert the new CR2032 battery, making sure the positive (+) side is facing up.
Close the Key Fob: Snap the two halves of the key fob back together.
Reinsert the Metal Key: Slide the metal key back into its slot.

Troubleshooting

If your key fob still isn’t working after replacing the battery, try these troubleshooting tips:

Check the Battery: Ensure the new battery is properly installed and isn’t damaged.
Clean the Contacts: Sometimes, corrosion can build up on the battery contacts. Gently clean them with a cotton swab and rubbing alcohol.
Reprogram the Key Fob: In rare cases, you may need to reprogram your key fob. Refer to your owner’s manual for instructions, or contact a qualified technician.

Conclusion

Changing the battery in your 2020 Lexus RX350 key fob is a simple task that anyone can do. By following these easy steps, you can save yourself time and money, and ensure you’re always prepared. So, grab a new battery and keep your Lexus key fob functioning flawlessly.

FAQ

What type of battery does the 2020 Lexus RX350 key fob use? A CR2032 battery.
How long does a Lexus key fob battery last? Typically, 3-5 years.
Can I damage my key fob by changing the battery myself? It’s possible if you’re not careful. Use gentle pressure when prying open the casing.
Where can I buy a CR2032 battery? Most grocery stores, drugstores, and electronics stores carry them.
What if my key fob still doesn’t work after changing the battery? Try cleaning the contacts or consult your owner’s manual for reprogramming instructions.

Situations & Questions:

My key fob is completely dead. Will changing the battery fix it? Yes, in most cases.
My key fob works intermittently. Is this a battery issue? Likely, yes. A dying battery often causes inconsistent performance.
I’m worried about damaging my key fob. Is there a video tutorial available? Check online platforms like YouTube for visual guides.

Further Assistance

Need help with your Lexus Key Fob Programming or other automotive key services? Contact us via Whatsapp: +1 (641) 206-8880 or visit us at 1326 N Houston St, Amarillo, TX 79107, USA. Our 24/7 customer service team is ready to assist you.