Buick Century OEM 3 Button Key Fob ABO91CH

This is a Factory OEM (Original Equipment Manufacturer) Buick Century 3 Button keyless entry remote, aka “key fob”.

1991-2000 Buick Century

Obtain all remote transmitters for this vehicle.

1. Close vehicle door.
2. Turn ignition to ON then back to OFF (ON is the position just shy of starting car without cranking engine)
3. Remove key from ignition.
4. Press and hold the UNLOCK switch on drivers door and continue to hold until instructed to release.
5. Insert key into the ignition (do not turn it) and remove it.
6. Insert key into the ignition (do not turn it) and remove it.
7. Insert key into the ignition (do not turn it) and leave it in.
8. Release the UNLOCK switch on drivers door. Vehicle will respond with three acoustic sounds to indicate successful entry into programming mode.
9. Press and hold the LOCK and UNLOCK buttons on first remote until vehicle beeps twice indicating successful programming. This step may take about 15 seconds.
10. Repeat step 9. for all remaining remotes including working ones.
11. Remove key from ignition to exit programming mode and test all remotes.

Obtain all remote transmitters for this vehicle.

1. Access green programming connector in LH side of trunk (drivers side). Programming connector will not be connected to anything. It will have a plug on the end of it with two holes in it or ports.
2. Jump programming connector using a suitable jumper wire. Jumping the connector means to use a wire or paperclip bent in the shape of a U to make a connection between the two ports. Be sure you are making contact with the metal inside both ports.
3. System should now lock and unlock doors and activate trunk release to indicate successful entry into programming mode.
4. Press any button on remote one time. System should now lock and unlock doors and activate trunk release to indicate successful programming of remote.
5. Repeat step 4. for each additional remote including working ones.
6. To exit programming mode remove jumper wire and test all remotes.

Obtain all remote transmitters for this vehicle.

1. Locate the Data Link Connector (DLC) underneath the driver’s side dashboard.
Please refer to the diagram above to determine the G and A cavity. The
letters will not appear on the connector. They are on the diagram for
ease of reference.

2. Connect cavity G with cavity A using a fused jumper wire.
Your vehicle will respond by locking and unlocking the door locks within 2 seconds.

3. Press the UNLOCK button once on first remote to be programmed.
Locks will lock and unlock verifying remote was programmed.

4. Press the UNLOCK button on second remote to be programmed if applicable.
Locks will lock and unlock to verify remote was programmed.

5. Remove jumper wire and test remote(s).

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!