1997 Mercury Cougar Key Fob Battery Replacement Guide

1997 Mercury Cougar Key Fob Battery Replacement Guide

If your auto key fob is not unlock doors properly, the battery more likely needs to be changed. In this post, we explained how to open your car keyless entry remote and replace your Mercury key battery step by step.

What size battery does 1997 Mercury Cougar remote key fob take

Prior to open keyless entry remote make sure that you have all required tools and materials: CR2016 batteries and flat head screwdriver.
  • 2xCR2016 batteries
  • flat head screwdriver

Simple steps to replace the battery in your Cougar's remote key fob

A coin battery installed in the your key fob. Accurately try to pry apart your key with pry tools. Change 2xCR2016 batteries with flat head screwdriver.

Change old batteries with new one CR2016. 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 polarity on battery, by "+" mark.

Before assembling fob’s case, make sure that all functions works by pressing buttons on key fob.

The last thing to do is put your cover back on fob. Gently try to assemble the pieces in place by hands from top to bottom. If your key fob case tightly closed, we done. If not, repeat the last step.

Video of remote key fob opening

How To Replace Mercury Cougar Key Fob Battery 1993 1994 1995 1996 1997

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Mercury Cougar require 2xCR2016 batteries. Price for CR2016 batteries are under $5 build upon the type, size packaging and brand you buy. Take your old battery to the store, to be sure.

Usually, after key fob 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 remote key fob battery is easy to do in 1997 Mercury Cougar. Most of car manufacturers think of the clients and make a special hole for remote key fob disassembly.

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

You should replace batteries inside remote key fob of modern cars at least every three years. The term of battery vary on usage time, quality and operating conditions.

If your auto key fob buttons not working, signal strength reduced, fob's battery more than 4 years old or need multiple clicks to unlock or lock doors, in most cases battery replace in remote key fob required. Currently installed battery is discharged with a high probability, but if it's not help, remote key fob change or repair needed.
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Fob Compatibility:

  1. FCC ID: GQ43VT4T
  2. Models: 1993-1997 Mercury Cougar