How to Replace the Battery in a 2012 Ford C-Max Key Fob

How to Replace the Battery in a 2012 Ford C-Max Key Fob

Keyless entry remote grant access to your C-Max. Once the keyless entry remote battery is weak or dead you will lose your fob’s ability to use distance opportunities. Below, we are going to tell you how to disassembly Ford remote key fob and replace a weak battery DIY. If you decide to do it at home near C-Max, use this instruction, but first make sure you have tools and materials required.

What kind of battery key fob use

Prior to disassembly keyless entry remote check all that you need: flat head screwdriver and 1 CR2032 battery.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step guide

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

Carefully try to disassemble your fob with hands or flat head screwdriver. Remove 1xCR2032 battery with flat head screwdriver.

Now it's time to install new battery in keyless entry fob's case. 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 position on battery, by "+" mark.

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

At this point squeeze keyless entry fob's back cover together. Line your body pieces together and assemble it together by hands from top to bottom. Inspect your remote key fob body for gaps. If it is not tightly closed try to repeat last step.

Video of remote key fob opening

BEST How to change Ford keyless remote key battery - Kuga C-Max Mondeo Fiesta Focus

Still not working? Buy new one

FAQ

Key fob of Ford C-Max require 1xCR2032 batteries. Most CR2032 batteries are under $4-6 depending on the brand, type and size packaging you buy. You can take old battery to the store, with you 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 change battery in your 2012 Ford C-Max key fob yourself. Most hard part is to open keyless entry fob's case. It's pretty simple with our guide.

The cost to replace the battery inside remote key fob can run anywhere from $30 to as high as $500 depending on the car and the service pricing.

Remote key fob batteries in Ford C-Max should be changed once in three or four years, although this will vary based on usage and build quality. If your keyless entry remote shortened signal strength, you should replace batteries before it stop open doors and make trouble for you.

These signs will alert you that it's perhaps time to replace battery in your 2012 Ford C-Max: low key battery indicator on dashboard, key fob buttons not working, signal strength reduced and multiple clicks to unlock or lock doors required.
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Fob Compatibility:

  1. FCC ID: KR5876268
  2. Models: 2010-2015 Ford C-Max