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How to Replace the Key Battery of the Lexus NX 300

Model: Lexus NX MK 1 - Years: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
Part: Key

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Video tutorial

Today, we will see in this video tutorial how to disassemble and replace the battery of the electronic key remote for the Lexus NX 300, following these simple steps. First, take the remote in hand and start by removing the physical key from inside it; then pry on the sides of the remote to open it and separate it into two parts, thus accessing the battery compartment, as shown in the video.

At this point, remove and replace the battery with a new one of the correct type (in this case, a CR 2032, 3V); insert it the right way round and reassemble the remote!


Updated on 29 April 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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