How to Open Your 1990 Buick Reatta Key Fob and Change Battery

How to Open Your 1990 Buick Reatta Key Fob and Change Battery

If your car key is not unlock doors perfectly, the cell battery more likely must to be changed. In this article, we demonstrate how to open your car remote key fob and change a weak or dead battery yourself. If you decide to do it at home near Reatta, follow our instruction, but don't forget to check tools and materials required.

What type battery does 1990 Buick Reatta key fob required

Replacing battery in keyless entry remote require one CR2025 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the size of your fob’s batteries.
  • 1xCR2025 battery
  • flat head screwdriver

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

A tiny coin cell battery installed in the your remote key fob. Delicately try to disassemble your key fob with hands or flat head screwdriver. Remove one CR2025 battery with flat head screwdriver.

Change old battery with new one CR2025. Battery must be installed with the same polarity as was a previous. Your key will not work if you mistakenly place battery wrong way.

Before assembling keyless entry fob's case, make sure that all is functioning by testing buttons on key fob.

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. Check your key fob body for gaps. If it is not tightly closed try to repeat last step.

Video of remote key fob opening

How To Replace Buick Reatta Key Fob Battery 1989 1990 1991

Still not working? Buy new one

Frequently Asked Questions

Key fob of Buick Reatta require 1xCR2025 batteries. Price for CR2025 batteries are under $6 depending on the brand, type and size packaging you buy. Take your old battery to the store, to find a proper replacement.

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

Yes, you can replace battery in your 1990 Buick Reatta key fob yourself. Most hard part is to disassembly keyless entry fob's case. It's pretty easy with our guide.

The cost to replace the battery inside remote key fob is from $30 to as high as $500 depending on the car and the service station.

You should replace batteries inside key fob of Buick Reatta at least every 3-4 years. The lifetime of battery vary on their amount of use, operating conditions and quality.

If your Buick signal strength reduced, need multiple clicks to unlock or lock doors, key fob buttons not working or fob's battery more than 4 years old, in most cases battery change inside keyless entry remote required. Current battery is weak with a high probability, but if it's not fix problem, fob replace or repair needed.
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Fob Compatibility:

  1. FCC ID: GLQ9Z6-1507
  2. Models: 1989-1991 Buick Reatta