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Buick 22100943 OEM 4 Button Key Fob

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Dealer price: $119.99
(You save $48.22 )
AB00502T | ABO0502T
Part Number:
Interchange Part Number:
218 K84B
Battery Size:
CR2025 (sold separately)
Keyless Entry Remote Car Key Fob
4 Button
Product Type:
Key Fobs
Out of stock


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Buick 22100943 OEM 4 Button Key Fob

Dealer price: $119.99
(You save $48.22 )

Out of stock

Frequently Bought Together

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This is a Factory OEM (Original Equipment Manufacturer) Buick 4 Button keyless entry remote, aka "key fob".


  • 1993 Buick Riviera
  • 1992 Buick Riviera
  • 1991 Buick Reatta
  • 1991 Buick Riviera
  • 1990 Buick Reatta
  • 1990 Buick Riviera
  • 1989 Buick Reatta
  • 1989 Buick Riviera

Note: This procedure requires two remotes to be programmed at the same time (such as your original and your replacement). If you only have one remote, do this procedure twice as if you have two remotes.

The entire reprogramming sequence must be completed within 30 seconds of grounding the connector. If the procedure is not completed, remove the ground at the connector and restart the procedure from step 1.

  1. Open the trunk and detach left side carpet covering EBCM and fender well. Locate the purple wire with the single green connector (might be green wire with purple connector). This wire, unattached on one end, has a Green connector at its end and may be immediately seen upon removal of the carpet or it may be necessary to search for it. Some are attached to the EBCM wire harness and are at the front end of harness, deep in the trunk.
  2. Insert key and turn ignition to the ON position (just shy of starting the vehicle).
  3. Ground the green single wire connector (located near the ABS module in the trunk).
  4. Wait for the door locks to lock and unlock (this should only take a few seconds).
  5. Press the Unlock button on the first remote twice (pause for one second in between).
  6. Wait for the door locks to lock and unlock again.
  7. Press the Unlock button on the second remote twice (pause for one second in between).
  8. Wait for the door locks to lock and unlock.
  9. Remove ground from the green connector.
  10. Test remotes.

OEM Key Fobs:

We are proud to offer true OEM key fobs direct to you at up to 80% off dealer prices. There is a catch though, so here it goes: You need to know the only way to get a NEW OEM key fob is to go to a dealer or authorized reseller of OEM parts, and you will pay dealer prices if you do this and spend hundreds of dollars.

Our Products:

The key fob you are going to purchase from us is used or as we like to say "previously loved". We recycle OEM key fobs and put them through a rigorous refurbishing process so we can guarantee our products and offer them at a reasonable price along with saving the environment. Oh, and we are not robbing you of your hard earned dollars like the stealership does. So if you are good with all of this what are you waiting for? Make your life easier, order a key fob from us and save the world!

22100943 BUICK OLDS Factory OEM KEY FOB Keyless Entry Car Remote Alarm Replace

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