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How to Replace the Key Battery on a Lexus GX460

Model: Lexus Lexus Various
Part: Key

Video tutorial

In this new guide for your Lexus GX460, we will discover how to correctly replace the button battery located inside the smart key. First, pull out the physical emergency key by simply pulling it outwards. Once this is done, use the same emergency key to open the cover and remove the electronic component.

Then, locate the exhausted battery and replace it with a new ECR1632 button battery. Finally, reassemble the cover and insert the emergency key back.


Updated on 3 July 2026 by ScegliAuto


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by ScegliAuto

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