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How to replace the battery in the Lexus RX key remote.

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

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Video tutorial

Today's instructions will show us how to disassemble and replace the battery of the Lexus RX key remote. First, let's take our remote and start by removing the physical key from inside it; we can use the slot created to pry open the remote into two parts, thus accessing the circuit board and the battery, as shown in the video.

At this point, let's remove the old battery and replace it with a new one of the correct type (in this case, a CR 1632 3V); we will insert it in the correct orientation and reassemble the two parts of the remote!


Posted on 1 December 2025 by ScegliAuto


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by ScegliAuto

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