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How to Replace the Key Fob Battery in an Acura TLX

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

Replacing the key fob battery in an Acura TLX is a simple task. First, ensure you have the correct battery model, which is a flat CR 2032 3V battery. Take the car's key fob and use the small lever located on the top side of the casing to extract the metal key. Next, using the tip of the key itself, pry open the top of the fob to access the casing. Once the casing is open, you will see the battery to be removed. Use a flathead screwdriver to pry the battery out from the edges. Proceed to replace the battery and close the casing.

Updated on 12 June 2026 by ScegliAuto

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