How to Replace the Battery in a 1998 Mercury Grand Marquis Key Fob

How to Replace the Battery in a 1998 Mercury Grand Marquis Key Fob

If your car key fob isn't open doors well, the battery likely must to be changed. It's not difficult to replace the battery in your key fob with our guide. Everything you need is outlined below.

What size battery does 1998 Mercury Grand Marquis key fob required

Before beginning disassembly key fob check all that you need: one CR2032 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2032 battery

Simple steps to change the battery in your Grand Marquis's key fob

A tiny coin cell battery installed in the your remote key fob. Accurately try to pry apart your key with pry tools. Remove one CR2032 battery with flat head screwdriver.

Change old battery with fresh one CR2032. Be sure to connect the battery the right way around in a circuit. Your keyless entry remote will not work if you put battery wrong way.

Before assembling keyless entry fob's case, check that everything working properly by pressing buttons on keyless entry remote.

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. If your key fob shell firmly closed, we done. If not, repeat the last step.

How to change the battery video guide

How To Replace A 1995-2006 Mercury Grand Marquis Key Fob Battery

Still not working? Buy new one

FAQ

Key fob of Mercury Grand Marquis require 1xCR2032 batteries. Price for CR2032 batteries are under $4 build upon the brand, size packaging and type you buy. You can take old battery to the store, to find a proper replacement.

Often, after remote key fob battery change, you do not need to reprogram. Key fob reprogramming procedure often described in user's manual of your vehicle.

Yes, you can replace battery in your 1998 Mercury Grand Marquis key fob yourself. Most difficult part is to open fob’s case. It's pretty simple with our instruction.

Car service price for change the battery in fob is $50-600 depending on the brand.

You should replace batteries inside keyless entry remote of modern cars at least once in four years. lifespan of battery differ on their amount of use, operating conditions and quality.

These symptoms will warning you that it's perhaps time to replace battery in your Mercury Grand Marquis: key fob buttons not working, low key battery indicator on dashboard, you didn't change battery more than 4 years and multiple clicks to unlock or lock doors required.
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Fob Compatibility:

  1. FCC ID: CWTWB1U343 | CWTWB1U313 | CWTW
  2. Models: 1995-2006 Mercury Grand Marquis