Replace Key Fob Batteries

How to Replace the Battery in a 2009 Acura MDX Key Fob

How to Replace the Battery in a 2009 Acura MDX Key Fob

If your auto keyless entry remote is not unlock doors well, the cell battery most likely needs to be replaced. It's not difficult to change the battery in your remote key fob, and it’s easier than you think. All tools, that you need is explained in this post.

What type battery does 2009 Acura MDX remote key fob required

Changing battery in key fob require CR1616 battery, flat head screwdriver and phillips head screwdriver. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.
  • phillips head screwdriver
  • flat head screwdriver
  • 1xCR1616 battery

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

A tiny coin battery installed inside the your key fob. Unscrew the back of the keyless entry remote. Flip the remote key fob over and find for at least 1 fastener holding in the plastic.

Accurately try to disassemble your fob with pry tools. Change 1 CR1616 battery with flat head screwdriver.

Get new battery and install it in keyless entry fob's case. Battery must be installed with the same polarity as was an old. Your key fob will not work if you by mistake place battery wrong way.

Before assembling keyless entry fob's case, check that all functions works by testing buttons on keyless entry remote.

At this point squeeze fob’s back cover together. Line your shell pieces together and put it together by hands from top to bottom. Check your key body for gaps. If it is not tightly closed try to repeat last step. Screw the back of the remote key fob.

Video of key fob opening

How To Replace A 2007 - 2013 Acura MDX Key Fob Battery FCCID N5F0602A1A

Still not working? Buy new one

FAQ

Keyless entry remote of Acura MDX require 1xCR1616 batteries. Price for CR1616 batteries are under $6 depending on the type, size packaging and brand you buy. Take your old battery to the store, with you to find a proper replacement.

Often, after remote key fob battery replace, reprogramming not required. Don't be scare of this procedure, because often it's described in user's manual.

Yes, you can replace battery in your 2009 Acura MDX key yourself. Most difficult part is to open keyless entry fob's case. It's pretty easy with our step by step guide.

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

Key fob batteries in Acura MDX should be changed every three or four years, although this will vary based on usage and build quality. If your keyless entry remote shortened signal strength, you should replace batteries before it stop working and make problems for you.

If your Acura key fob buttons not working, signal strength reduced, has low key battery indicator on dashboard or fob's battery more than 4 years old, it's probably battery change inside key fob required. Current battery is weak or dead with a high probability, but if it's not help to fix issues, key replace or repair required.
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Contents:

  1. Battery Size and Tools
  2. Replacement Guide
  3. Video Instruction
  4. FAQ

Other Acura Models:

Fob Compatibility:

  1. FCC ID: MLBHLIK-1T
  2. Models: 2007-2014 Acura MDX