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In this guide, you will find instructions on how to change the battery on any Acura keyfob.

Battery size

Most Acura keys use CR2032 Button Cell Battery.
Scroll down to watch video on how to change battery on various Acura key.

Acura Smart Key Battery Replacement

Battery required: CR2032

Instructions

  1. Press tab and remove the metal key.
  2. Use the metal key to open the shell of your Acura keyfob.
  3. Use a small screwdriver to pop out the old battery.
  4. Press the new battery in, making sure the positive (+) side is facing you.
  5. Press the two parts of the keyfob together until you hear them click.
  6. Insert the metal key into the key fob.

Acura Keyless Remote

Battery Type: Two CR2032

Instructions

  1. Remove the metal blade key.
  2. Use a flat screwdriver to separate the keyfob shell.
  3. Locate the two batteries found inside the remote and slide them out.
  4. Install two new batteries. Ensure that the batteries are not installed backward.
  5. Close the key by pressing both of the plastic halves together.

These instructions will help owners of Acura TL, CL, RL, TSX, RDS, ILX, TLX, RLX, MDX, ZDX change the key fob battery.

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Thank you! 

Visitor
Member since 2020-07

I just did the same thing!!! So frustrating!!!

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Visitor
Member since 2020-07

The Acura Smart Key came apart completely when trying to remove the battery lock, unlock, truck, and hold buttons all fell out. It was difficult to try and then figure out how to get all the buttons and other parts assembled back together again. The design should really have some plastic hooks to hold the outer key button assembly and battery/electronic assembly together. Did anyone really tested this design with several end users to make sure this did not happen at all.

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