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How to Replace the Key Battery for the Lexus IS 250

Model: Lexus IS MK 3 - Years 2013-2024
Part: Key

To correctly replace the button battery located inside the smart key of your Lexus IS 250, it only takes a few minutes. With the following guide, you will be able to complete the entire operation without any difficulty and independently. First, pull out the emergency key by gently sliding it out. Next, open the cover, remove the electronic component, and locate the exhausted battery situated at the bottom. At this point, remove the old battery and replace it with a new one. Finally, reassemble everything correctly and insert the emergency key.

Updated on 3 August 2026 by ScegliAuto

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