How to Replace the Battery in a 2016 Ford Mustang Key Fob

How to Replace the Battery in a 2016 Ford Mustang Key Fob

Remote key fob allow easy access to your car. If the remote key fob battery is weak or dead you’ll not to be able unlock car from distance. Below, we described how to open your car remote key fob and change your Ford key battery.

What is the battery keyless entry remote use

Before you start to disassembly keyless entry remote be sure that you have all recommended tools and materials: two CR2025 batteries and flat head screwdriver.
  • 2xCR2025 batteries
  • flat head screwdriver

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

Inside of your remote key fob installed tiny coin battery. Move the key out of the way if it is in the keyless entry remote.

Accurately try to disassemble your keyless entry remote with hands or flat head screwdriver. Change 2xCR2025 batteries with flat head screwdriver.

Change old batteries with fresh one CR2025. 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 polarity on battery, by "+" mark.

After the new batteries installed, check remote key fob by pressing buttons. If everything is functioning, assemble your fob’s shell in reverse order.

The last thing to do is put your cover back on fob. Gently try to assemble the two halves in place by hands from top to bottom. If your fob shell tightly closed, we done. If not, repeat the last step.

How to replace the battery video instruction

DIY - 2017/2016 Ford Mustang - How to change SmartKey Key fob Battery on Ford Mustang

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Ford Mustang use 2xCR2025 batteries. Most CR2025 batteries are under $4-6 depending on the size packaging, brand and type you buy. Take your old battery to the store, to find a proper replacement.

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

Changing your remote key fob battery is simple to do in 2016 Ford Mustang. Most of car manufacturers think about clients and make a special hole for remote key fob disassembly.

The cost to replace the battery inside remote key fob can run anywhere $50-600 depending on the brand and the service station.

Key fob batteries in Ford Mustang should be changed once in 3-4 years, but this will vary based on their amount of use and battery quality. If your key fob decreased signal strength, you should change batteries before it stop working and make problems for you.

If your car key fob buttons not working, signal strength reduced, fob's battery more than 4 years old or has low key battery indicator on dashboard, it's probably battery change inside keyless entry remote required. Currently installed battery is weak with a high probability, but if it's not fix, remote key fob change or repair needed.
Be the first to comment.
Your message is required.

Fob Compatibility:

  1. FCC ID: M3N-A2C31243300
  2. Models: 2015-2017 Ford Mustang