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Lexus Dead Key Fob Battery Replacement

Learn how to replace the battery on your Lexus key fob. You can change the battery on your remote in less than five minutes.

All you need is a flat screwdriver and a CR1632 3 Volt battery.

Procedure

  1. Use the screwdriver or the metal key to open the case by inserting it into the side notch and twisting it.
  2. Open the Lexus remote case.
  3. Remove the old battery and install the new one.
  4. Close the battery casing. It simply snaps together, as shown in the video.

Here is another video on replacing the key fob battery on Lexus ES, LS, and RX models, just to name a few.

Once you replace the battery on a Lexus key fob, the vehicle may not start. The following video goes over some issues and what to look for if you change the battery in your Lexus keyfob and the car doesn’t start.

If your Lexus didn’t start, the next step would be to read the fault codes using a full system scanner. For more help, follow this guide on Diagnose Vehicle Problems Like a Pro.

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One Comment

  1. Anonymous says:

    Thank you for sharing this information. We have many customers calling us with a dead battery and we send them a link to this page.