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How to Replace the Key Battery on the Acura TLX

Model: Acura Tlx MK 5 - Years 2015-2020
Part: Key

If you intend to replace the remote key battery for this vehicle, you will find the necessary information in the description below and can also refer to the video. For the replacement, you need a CR 2032 battery. First, remove the emergency key and then use a sharp object to pry off the back cover of the key. Underneath, you will find the battery housing, which you can also remove with a sharp object to then place the new battery in, ensuring the positive terminal is facing up. Finally, reposition the cover and reinsert the emergency key.

Updated on 13 July 2026 by ScegliAuto

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