Replace Key Fob Batteries

How to Open Your 2009 Ford Mustang Key Fob & Change Battery

How to Open Your 2009 Ford Mustang Key Fob & Change Battery

If your Mustang key fob isn't open doors correct, the battery more likely must to be changed. In this article, you will benefit from knowing how to disassembly your car remote key fob and change a discharged battery DIY. If you choose to do it at home near Mustang, use this instruction, but don't forget to check tools and materials required before you start.

What size battery does 2009 Ford Mustang key fob take

Replacing battery in keyless entry remote require 1 CR2032 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.
  • 1xCR2032 battery
  • flat head screwdriver

Simple steps to change the battery in your Mustang's keyless entry remote

Inside of your keyless entry remote installed button battery. Accurately try to disassemble your key with flat head screwdriver. Replace one CR2032 battery with flat head screwdriver.

Replace old battery with new one CR2032. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check position on battery, by "+" mark.

Before assembling fob’s case, check that all functions works by testing buttons on circuit board.

At this point squeeze fob’s back cover together. Line your case pieces together and put it together by hands from top to bottom. If your key fob body firmly closed, we done. If not, repeat the last step.

Video of key fob disassembly

Ford Mustang Remote Key Fob Battery Replacement (2010, 2011, 2012, 2013, 2014)

Still not working? Buy new one

Frequently Asked Questions

Key fob of Ford Mustang use 1xCR2032 batteries. Most CR2032 batteries are under $4-6 depending on the type, size packaging and brand you buy. You can take old battery to the store, to find a proper replacement.

Keyless entry remote in most of cases reprogramming not needed after battery change. If your remote key fob not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Changing your keyless entry remote battery is easy to do in 2009 Ford Mustang. Most of car manufacturers think about customers and make a special hole for remote key fob open.

Car service cost for change the battery in fob is $50-600 depending on the brand.

You should change batteries inside remote key fob of Ford Mustang at least once in three years. lifespan of battery differ on frequency of use, operating conditions and quality. Famous brands cells usually will last longer.

These signs will warn you that it's possible time to replace battery in your Ford Mustang: signal strength reduced, low key battery indicator on dashboard, key fob buttons not working and multiple clicks to unlock or lock doors required.
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Contents:

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

Other Ford Models:

Fob Compatibility:

  1. FCC ID: OUCD6000022
  2. Models: 2005-2014 Ford Mustang