How to Replace the Battery in a 2017 Ford Fusion Key Fob

How to Replace the Battery in a 2017 Ford Fusion Key Fob

Key fob grant access to your Fusion. Once the key fob battery is weak you lose your keyless entry fob's ability to control remote functions. In this post, you’ll benefit from knowing how to open your car key fob and change a weak battery yourself. If you gonna solve to do it at home near Fusion, follow our instruction, but don't forget to check tools and materials required before you start.

What kind of battery key fob require

Replacing batteries in keyless entry remote require flat head screwdriver and CR2025 batteries. Prepare these materials and tools before opening and make sure to match the size of your fob’s batteries.
  • 2xCR2025 batteries
  • flat head screwdriver

Simple steps to replace the battery in your car's keyless entry remote

A tiny coin cell battery installed inside the your key fob. Move the key out of the way if it is in the remote key fob.

Accurately try to pry apart your key fob with flat head screwdriver. Replace CR2025 batteries with flat head screwdriver.

Get new batteries and install it in keyless entry fob's body. 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.

When the new batteries installed, verify key fob by pressing buttons. If all functions works, assemble your fob’s body in reverse order.

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

Video of keyless entry remote disassembly

2017 Ford Fusion key fob battery replacement

Still not working? Buy new one

Frequently Asked Questions

Key fob of Ford Fusion require 2xCR2025 batteries. Most CR2025 batteries are under $6 depending on the type, size packaging and brand you buy. You can take old battery to the store, to find a proper replacement.

Usually, 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 2017 Ford Fusion remote key fob yourself. Most hard part is to open keyless entry fob's case. It's pretty easy with our step by step guide.

The cost to change the battery inside key is in range from $30 to as high as $500 depending on the brand and the service pricing.

You should replace batteries inside key fob of modern cars at least every four years. The term of battery vary on their amount of use, quality and operating conditions.

If your Ford key fob buttons not working, signal strength reduced, need multiple clicks to unlock or lock doors or has low key battery indicator on dashboard, it's probably battery change in remote key fob needed. Currently installed battery is dead or weak with a high probability, but if it's not fix, fob replace or repair required.
E Edward Feb 02 2023
Also you should now, that in 2017 Fusions that have push to start button has other key fob with one CR2450 battery.

M Michael Feb 02 2023
In 2017 was restyle of model, the fob looks like in this post

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Fob Compatibility:

  1. FCC ID: M3N-A2C31243300
  2. Models: 2013-2017 Ford Fusion