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How to Change Battery in Lexus Key Fob

Lexus Key Fob

 

Trying to hop into your Lexus, but your key fob hasn’t been unlocking the car as smoothly lately? If you’re having trouble unlocking and locking your vehicle with your key fob, chances are the battery might be dying. These batteries are designed to last for 1 to 2 years, but like all batteries, they’ll eventually need to be replaced. Figure out if the culprit is a dying battery, and if so, learn how to change the battery in a Lexus key fob with the service team at Lexus of Santa Fe below!

Signs You Need a Lexus Key Battery Replacement

When the engine is stopped during your Los Alamos commute, you may hear a low battery alert from inside the cabin of your Lexus when the key fob battery is low. Other signs to look out for before getting a Lexus key battery replacement include:

  • Your Lexus’s Smart Access system and/or the push-button start isn’t functioning properly.
  • The proximity detection area is smaller than usual.
  • The LED indicator light on the key won’t turn on.

Four Simple Steps for Lexus Key Battery Replacement

Now that you’ve confirmed that the dying battery is the issue, you will need to get a flathead screwdriver and a CR2032 lithium battery for the Lexus key battery replacement. These batteries can be bought online or from a hardware or auto parts store near Taos. Once you have these handy, follow these steps:

  1. Push the release button on the side of the key fob, then remove the emergency key blade stored inside.
  2. Place the tip of the flathead screwdriver in the now open space that was housing the key blade. Apply gentle pressure to pop the key fob cover plate off.
  3. There may be an electronic key module covering the battery. If so, remove that first, then pop the old battery out with the screwdriver.
  4. Put the new CR2032 battery in place with the plus side facing up. Replace the electronic key module and pop the key fob cover plate back into place.

Before you head back out onto the roads of Espanola, test the key fob to ensure the new battery is working. If you still can’t get the key fob to function properly, you may need to schedule a service appointment, so one of our service technicians can take a look.

Rely on Lexus of Santa Fe for Lexus Key Fob Service & More

If you have any additional questions about Lexus key battery replacement, please reach out to us or give us a call at 575-489-2450. We are here to help you get back to the drives you’ve enjoyed in your Lexus!

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Lexus of Santa Fe 35.623, -106.02728.