How to Open Your 2018 Ford F-550 Key Fob and Change Battery

How to Open Your 2018 Ford F-550 Key Fob and Change Battery

Key fob grant access to your auto. If the key battery is weak or dead you lose your keyless entry fob's ability to control distance opportunities. In this post, we described how to open your key fob and change your Ford key battery.

What is the battery keyless entry remote use

Don't forget before disassembly key fob be sure that you have all required tools and materials: flat head screwdriver and 1xCR2450 battery.
  • 1xCR2450 battery
  • flat head screwdriver

Step by step instruction

Inside of your remote key fob installed tiny button cell battery. Remove any internal key first, and then try to pry apart the remote key fob.

Delicately try to open your key fob with hands or flat head screwdriver. Change 1 CR2450 battery with flat head screwdriver.

Now it's time to install new battery inside fob’s case. Battery must be installed with the same position as was an old. Your key will not work if you mistakenly place battery wrong way.

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

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

Video of remote key fob disassembly

Ford F-350 Remote Key Fob Battery Replacement 2017 2018 2019

Still not working? Buy new one


Keyless entry remote of Ford F-550 use 1xCR2450 batteries. Most CR2450 batteries are under $4 depending on the type, size packaging and brand you buy. You can take old battery to the store, to be sure.

Often, after keyless entry remote battery change, you do not need to reprogram. Don't be scare of this procedure, because often it's described in user's manual.

Yes, you can replace battery in your 2018 Ford F-550 remote key fob yourself. Most difficult part is to open keyless entry fob's case. It's pretty simple with our guide.

The price to change the battery in keyless entry remote is in range $50-600 depending on the make and the service pricing.

You should change batteries inside key fob of Ford F-550 at least once in 3-4 years. lifespan of battery differ on their amount of use, operating conditions and quality. Famous brands cells normally will last longer.

If your Ford fob's battery more than 4 years old, need multiple clicks to unlock or lock doors, signal strength reduced or has low key battery indicator on dashboard, in most cases battery replace in remote key fob required. Currently installed battery is weak or dead with a high probability, but if it's not fix problem, key fob change or repair needed.
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Fob Compatibility:

  1. FCC ID: M3N-A2C93142600
  2. Models: 2017-2020 Ford F-550