Replace Key Fob Batteries

How to Replace the Battery in a 2015 Ford C-Max Key Fob

How to Replace the Battery in a 2015 Ford C-Max Key Fob

If your car remote key fob is not working correct, the battery probably needs to be changed. In this article, we walks you through how to open your keyless entry remote and replace your Ford key battery step by step.

What size battery does 2015 Ford C-Max key fob required

Don't forget before open remote key fob check all that you need: flat head screwdriver and 1xCR2032 battery.
  • flat head screwdriver
  • 1xCR2032 battery

Step by step guide

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

Accurately try to open your keyless entry remote with flat head screwdriver. Replace 1 CR2032 battery with flat head screwdriver.

Now it's time to install new battery inside fob’s shell. 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 testing buttons on key fob.

At this point squeeze fob’s back cover together. Line your case pieces together and put it together by hands from top to bottom. Check your key fob body for gaps. If it is not tightly closed try to repeat last step.

Key Fob Battery Replacement 2015 Ford C-Max Video

Ford C-Max Remote Key Fob Battery Replacement 2013 2014 2015 2016 2017 2018

Still not working? Buy new one

FAQ

Keyless entry remote of Ford C-Max require 1xCR2032 batteries. Most CR2032 batteries are under $5 depending on the type, size packaging and brand you buy. You can take old battery to the store, to be sure.

Keyless entry remote in most of cases do not need to be reprogrammed after battery replace. If your key fob not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Yes, you can replace battery in your 2015 Ford C-Max key fob yourself. Most hard part is to open fob’s case. It's pretty easy with our instruction.

Car service pricing for change the battery in key fob is from 50 to 600 dollars depending on the car.

You should replace batteries inside remote key fob of Ford C-Max at least every four years. lifespan of battery vary on frequency of use, operating conditions and quality. Famous brands cells usually will last longer.

These signs will warn you that it's probably time to replace battery in your 2015 Ford C-Max: you didn't change battery more than 4 years, signal strength reduced, key fob buttons not working and low key battery indicator on dashboard.
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Contents:

  1. Battery Size and Tools
  2. Replacement Guide
  3. Video Instruction
  4. FAQ

Other Ford Models:

Fob Compatibility:

  1. FCC ID: M3N5WY8609
  2. Models: 2014-2018 Ford CMAX