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How to Change the Key Fob Battery of the Lexus IS

Model: Lexus IS MK 2 - Years 2005-2013
Part: Key

Today, follow this brief guide on how to disassemble and replace the battery of the Lexus IS key fob, using the instructions below. First, take your key fob and remove the physical key from inside it; then, pry open the sides of the casing to separate it into two parts, thus removing the old battery, as shown in the video. At this point, install the new battery of the correct type (in this case, a CR 1632 3V); then reassemble your key fob, following the video tutorial to the end!

Updated on 26 May 2026 by ScegliAuto

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by ScegliAuto

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