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How to Replace the Remote Battery on a Lexus RX450H

Model: Lexus RX Alh10, Ala10 - Years 2022-2026
Part: Key

In this video, see how to change the battery of the remote for a Lexus RX450H: no tools are needed, you will just need to obtain a CR2032 battery, which can be easily found at any supermarket or electronics store for a few pounds. The first thing to do is to pull out the security key located at the end of the metal ring. Use the key itself to pry apart the two halves of the remote to expose the battery, which you will remove and replace with the new one: pay attention to the polarity, then reassemble the casing and put the emergency key back in place.

Posted on 30 January 2026 by ScegliAuto

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