Question about 2000 Buick Century

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I lost my car keys and bought another do i have to get it programmed from someone or can i do the key relearn method ....its a buick century 3.1 2000

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  • 8 Answers

That car dose not need to be progarmmed .

Posted on Dec 17, 2016


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Posted on Jan 02, 2017

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SOURCE: I have locked my keys in the trunk of my car

you can remove the back seat take some steel wire to grab the keeshope it fixya our problem thank you pierre

Posted on Jul 01, 2008

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SOURCE: 93 Buick Century no spark

check the crankshaft sensor or cam sensor

Posted on Jan 15, 2009

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SOURCE: We lost the key to our 2002 Dodge Neon. Purchased

the only way is to take it to the dealer unless you have a scanner

Posted on Sep 08, 2009

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SOURCE: I lost the key to my 2000 Buick Century

go to your local gm dealer with your ownership, they can cut you a new key from the VIN

Posted on Dec 04, 2009

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SOURCE: key fob does not work and the key does not work.

You need to reset the key fob to the car vin... your owners manual will step you through the process

Posted on Mar 03, 2010

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Ecu not responding in 2002 buick rendezvous. I lost my only key so I bought 2 from a locksmith but he was not able to program the keys. The device he hooked up to my buick said ecu not responding.

unfortunately your only option is the dealer ,
Connect a scan tool to the vehicle.
Turn ON the ignition, with the engine OFF.
Insure that all power consuming devices are turned OFF on the vehicle.
With a scan tool, select Request Info. under Service Programming System and follow the scan tool on-screen instructions.
Disconnect the scan tool from the vehicle and connect the scan tool to a Techline Terminal with the current Service Programming System (SPS) software.
On the Techline Terminal, select Service Programming System and follow the Techline Terminal on-screen instructions.
Disconnect the scan tool from the Techline Terminal and re-connect the scan tool to the vehicle.
With a master passkey III key, turn ON the ignition with the engine OFF.
With a scan tool, select Program ECU under Service Programming System.
At this point the scan tool must remain connected for the duration of the 10-minute relearn procedure.

Jul 08, 2017 | Buick Cars & Trucks

1 Answer

Can a used key cylinder be used on a buick century 3.1

Sure if you have the key with it. May have to do a relearn. Key on for ten minutes off for thirty seconds. Three times, then start.

Sep 04, 2016 | Buick Century Cars & Trucks

2 Answers

How to make a shaved key for 1991 Buick century?

replace the barrel in the ignition lock and you will get 2 keys already cut to the new barrel. If there is an immobiliser included in the system you will have to get the new keys programmed to the CPU in the ECM of the car

Sep 03, 2014 | 1991 Buick Century

1 Answer

I have a 2000 Buick Century...replaced the engine will start twice and then everything shuts nothing....then light show and we start all there a reboot button or do I...

this may be your anti theft pass key try putting the key in theingnition turn it to the on position and leave it there for 10-15minutes then start the car the car may have to relearn the key

Jan 07, 2010 | 2000 Buick Century

1 Answer

Where do I find the instructions for programing a buick century 1997 keyless remote?


  1. Sit in the vehicle driver's seat.
  2. Remove the ignition key from the ignition lock cylinder.
  3. Close all of the vehicle's doors.
  4. Press and HOLD the door "LOCK" switch to the "Unlock" position.
  5. Insert and remove the ignition key twice (without rotating the ignition lock cylinder).
  6. Insert the ignition key a third time leaving the key in the ignition lock cylinder. The ignition must be in the "OFF" position.
  7. Release the door "LOCK" switch from the "Unlock" position (three fast chimes will be heard when the remote control door lock receiver enters the programming/diagnostic mode).
  8. Press and HOLD the transmitter "LOCK" and "UNLOCK" buttons simultaneously for at least 12 seconds . Two fast chimes will be heard confirming successful programming.
  9. Repeat step 8 for each additional transmitter to be programmed.
  10. Remove the ignition key from the ignition lock cylinder

Sep 26, 2009 | 1997 Buick Century

1 Answer

Cant measure resistance, lost my only key!

Your key has a transponder in it and it needs to be programmed at a dealer. The on board computer is mated to the key and if you add a key, you must have all keys present and programmed at the same time. If you are close to a dealer you can give them the VIN number and they will be able to cut you a new key. Then if the shop foreman has time, he may come to your car and programme the key(s) for you. Other than that, you need to tow the car to a dealership. Hope this helps

Jun 16, 2009 | 2000 Buick Century

2 Answers

I have locked my keys in the trunk of my car

you can remove the back seat take some steel wire to grab the keeshope it fixya our problem thank you pierre

Jul 01, 2008 | 1998 Buick Century

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