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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 need to replace the remote key battery on this car model, the detailed procedure to follow is provided below, and you can also refer to the images in the video. First, you need a new CR 2032 battery. Then, extract the emergency key and use a sharp object to pry between the cover joint and the remote. This will allow you to remove the cover, and underneath, you will find the battery, which you can remove with a sharp object and replace with the new one. Position the positive terminal of the new battery facing up, then close the cover and finally reinsert the emergency key.

Updated on 19 July 2026 by ScegliAuto

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