1991 Cadillac Eldorado Key Fob Battery Replacement Guide

1991 Cadillac Eldorado Key Fob Battery Replacement Guide

If your Eldorado remote key fob is no longer unlock doors well, the battery surely must to be changed. Below, we described how to open your key fob and change your Cadillac key battery step by step.

What type battery key fob require

Before beginning open keyless entry remote check all that you need: 1xCR2025 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2025 battery

Simple steps to change the battery in your car's remote key fob

A small button cell battery installed in the your key fob. Gently try to disassemble your keyless entry remote with hands or flat head screwdriver. Remove 1 CR2025 battery with flat head screwdriver.

Get new battery and install it in fob’s case. Be sure to connect the battery the right way around in a circuit. Your keyless entry remote will not work if you place battery wrong way.

When the new battery installed, verify remote key fob functionality by pressing buttons. If all functions works, assemble your fob’s case in reverse order.

The last thing to do is put your cover back on fob. Gently try to put the two halves together by hands from top to bottom. Inspect your fob body for gaps. If it is not tightly closed try to repeat last step.

Video of key opening

How To Replace Cadillac Eldorado Key Fob Battery 1991 1992 1993 1994 1995

Still not working? Buy new one


Key fob of Cadillac Eldorado require 1xCR2025 batteries. Most CR2025 batteries are under $4 build upon the type, size packaging and brand you buy. Take your old battery to the store, with you to find a proper replacement.

Usually, after keyless entry remote battery replace, 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 1991 Cadillac Eldorado remote key fob yourself. Most hard part is to disassembly keyless entry fob's case. It's pretty simple with our step by step guide.

The price to replace the battery inside keyless entry remote can run anywhere $50-600 depending on the make and the service pricing.

You should replace batteries inside keyless entry remote of modern cars at least every three or four years. The term of battery differ on usage time, operating conditions and quality.

If your car key fob buttons not working, fob's battery more than 4 years old, need multiple clicks to unlock or lock doors or has low key battery indicator on dashboard, it's probably battery change in keyless entry remote required. Currently installed battery is weak or dead with a high probability, but if it's not help, key fob replace or repair needed.
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Fob Compatibility:

  1. FCC ID: ABO0502T
  2. Models: 1987-1993 Cadillac Eldorado