How to Replace the Battery in a 2019 Ford Flex Key Fob

How to Replace the Battery in a 2019 Ford Flex Key Fob

If your car key fob isn't open doors well, the battery more likely needs to be changed. It's not difficult to change the battery in your key fob DIY. Everything you need is explained below.

What type battery does 2019 Ford Flex keyless entry remote take

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

Step by step instruction

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

Carefully try to open your keyless entry remote with flat head screwdriver. Change CR2032 battery with flat head screwdriver.

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

Before assembling keyless entry fob's case, make sure that all functions works by pressing buttons on circuit board.

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

Video of key opening

Ford Flex Remote Key Fob Battery Replacement 2013 - 2019

Still not working? Buy new one

FAQ

Remote key fob of Ford Flex require 1xCR2032 batteries. Price for CR2032 batteries are under $4-6 depending on the brand, type and size packaging you buy. You can take old battery to the store, to find a proper replacement.

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

Changing your key fob battery is easy to do in 2019 Ford Flex. Most of car manufacturers think about clients and make a special hole for remote key fob open.

Dealer service pricing for replace the battery in keyless entry remote is from $30 to as high as $500 depending on the brand.

Keyless entry remote batteries in Ford Flex should be replaced every four years, although this will vary based on usage and battery quality. If your remote key fob shortened signal strength, you should change batteries before it stop close doors and make problems for you.

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

  1. FCC ID: M3N5WY8609
  2. Models: 2011-2019 Ford Flex