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How to Replace the Key Battery in the Acura RDX

Model: Acura Rdx MK 2 - Years 2013-2018
Part: Key

If the smart key for your Acura RDX Mk2 (2013-2018) has suddenly stopped working and you want to replace the button battery inside, just follow these simple steps. First, press the button on the top of the cover while simultaneously pulling out the physical emergency key. Then, use the emergency key to open the cover and locate the dead button battery. Finally, remove it and replace it with a new one (model CR 2032). Reassemble the cover correctly and you are done.

Updated on 22 June 2026 by ScegliAuto

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