How to Open Your 2004 Acura MDX Key Fob & Change Battery

How to Open Your 2004 Acura MDX Key Fob & Change Battery

If your Acura key is no longer open doors correct, the battery probably needs to be changed. It's not complicated to replace the battery in your remote key fob, and itโ€™s easier than you think. Everything you need is described in this article.

What kind of battery keyless entry remote require

Before beginning open keyless entry remote make sure that you have all recommended tools and materials: phillips head screwdriver, flat head screwdriver and 1 CR2025 battery.
  • flat head screwdriver
  • 1xCR2025 battery
  • phillips head screwdriver

Simple steps to replace the battery in your MDX's key fob

Inside of your keyless entry remote installed small button cell battery. Remove fasteners on the back of the key fob. Flip the remote key fob over and look for at least 1 fastener holding in the plastic.

Accurately try to pry apart your keyless entry remote with hands or flat head screwdriver. Replace CR2025 battery with flat head screwdriver.

Now it's time to install new battery inside keyless entry fob's case. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

Before assembling keyless entry fob's case, make sure that all functions works by testing buttons on key fob.

At this point squeeze fobโ€™s back cover together. Line your case two halves together and assemble it together by hands from top to bottom. Inspect your key fob body for gaps. If it is not firmly closed try to repeat last step. Screw fastener in the back of the keyless entry remote.

Video of keyless entry remote disassembly

Acura MDX Key Fob Battery Replacement (2001 - 2006)

Still not working? Buy new one

FAQ

Keyless entry remote of Acura MDX require 1xCR2025 batteries. Most CR2025 batteries are under $5 depending on the brand, size packaging and type you buy. Take your old battery to the store, to find a proper replacement.

Usually, after remote key fob battery change, reprogramming not required. Keyless entry remote reprogramming procedure often described in user's manual of your vehicle.

Yes, you can change battery in your 2004 Acura MDX keyless entry remote yourself. Most difficult part is to disassembly keyless entry fob's case. It's pretty simple with our guide.

The cost to change the battery inside key fob can run anywhere from $30 to as high as $500 depending on the brand and the service station.

Keyless entry remote batteries in Acura MDX should be replaced once in 4 years, although this will vary based on their amount of use and quality. If your keyless entry remote decreased signal strength, you should change batteries before it stop open doors and make problems for you.

These signs will warn you that it's perhaps time to replace battery in your 2004 Acura MDX: key fob buttons not working, you didn't change battery more than 4 years, signal strength reduced and multiple clicks to unlock or lock doors required.
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Fob Compatibility:

  1. FCC ID: E4EG8D-444H-A
  2. Models: 2001-2006 Acura MDX