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How to Replace the Key Fob Battery of the Lexus RX

Model: Lexus RX Al10, MK 3 - Years: 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
Part: Key

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Video tutorial

This guide shows you how to dismantle and replace the battery of the key fob for the Lexus RX, following these simple steps. First, take the key fob in hand and start by removing the physical key from inside it; then, use the gap created to pry open the fob into two parts, accessing the circuit board and the battery, 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 1632 3V); insert it the right way round and finally reassemble the fob!


Updated on 1 October 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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