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Replacing the Key Battery on the Lexus RX - RH

Model: Lexus RH MK 2, Xu30 - Years 2003-2008
Part: Key

Today, you will learn how to disassemble and replace the remote key battery on the Lexus RH and RX. First, take your remote control and start by removing the screw located near the key using a cross-head screwdriver; then remove the cover of the remote to access 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 2016 3V); simply insert it in the correct orientation and reassemble everything, putting the remote shells back together!

Updated on 12 May 2026 by ScegliAuto

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