Lost, broken, or just need a spare key for your 2002 Buick LeSabre? Getting a replacement car key can seem daunting, but it doesn’t have to be. This guide will walk you through everything you need to know about replacing your 2002 Buick Lesabre Key Fob, ensuring you get back on the road quickly and affordably.
For your 2002 Buick LeSabre, the key you need isn’t just a simple metal blade. It’s a transponder key, which means it has an embedded microchip that communicates with your car’s immobilizer system. This is a security feature designed to prevent theft, and it’s important to understand when getting a replacement. While often referred to as a “key fob”, for the 2002 Buick LeSabre, we are primarily talking about the ignition key itself, which houses this transponder chip, not a separate remote fob for locking and unlocking doors.
Understanding Your 2002 Buick LeSabre Transponder Key
The key for your 2002 Buick LeSabre uses a Megamos 13 chip. This chip is crucial because simply cutting a new key blade will not be enough to start your car. The chip needs to be programmed to your vehicle’s computer system. This is why you can’t just go to any key cutter; you need someone who can handle transponder keys.
This replacement key is compatible with:
- Chip ID: MEGAMOS 13
- Aftermarket replacement for:
- Strattec: 690898, 692952, 5928821
- OEM: 15821269, 15828348, 12450409
- A1: B99SPT
- Bianchi: BB99PT
- Hata: B-99-HPT, B-99-GPT
- Ilco: B99-GPT
- Jet: B99-PHT
- Test Key: B102
- Code Series: S000A-S711K
- Groove: 75
- Reusable: Yes
It also fits various Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models from the early 2000s, including:
- 00-05 Buick LeSabre
- 02-07 Buick Rendezvous
- 07 Buick Terraza
- 00-05 Cadillac DeVille
- 98-04 Cadillac Seville
- 07-09 Chevrolet Uplander
- 01-03 Oldsmobile Aurora
- 01-05 Pontiac Aztec
- 00-05 Pontiac Bonneville
- 07-09 Pontiac Montana SV6
Getting Your 2002 Buick LeSabre Key Cut and Programmed
Once you have your replacement 2002 Buick LeSabre key fob blank, you’ll need to get it both cut and programmed.
Key Cutting: A professional automotive locksmith is typically the best choice for cutting your key. They have specialized equipment to accurately cut transponder keys. You can also check with some hardware stores, but ensure they have experience with car keys. Be prepared to show proof of vehicle ownership (like registration or insurance) to verify you are authorized to get a key made.
Key Programming: The good news is that you can program this key yourself at home if you already have at least one working key. Here’s how:
To Add An Extra Key (You Must Have At Least One Working Key):
- Insert an existing programmed working key into the ignition cylinder.
- Turn the ignition to the ON position for 5 seconds, then back to the OFF position.
- Remove the existing key and within 5 seconds, insert the new, uncut key and turn it to the ON position for 5 seconds.
- Turn the key OFF then back to ON. The key is now programmed. Start your Buick LeSabre to test the key.
What if you’ve lost all your keys? Don’t worry, you can still program a new key, but the process is a bit longer and requires a time delay for security reasons:
All Keys Lost/Misplaced Programming:
- Insert the new cut key into the ignition cylinder and turn it to the ON position. The security light on your dashboard will light up and stay on for about ten minutes. When the security light goes out, you have one minute to start the next step.
- Turn the ignition cylinder to OFF and then back to the ON position. The security light will illuminate again for ten minutes. Wait for it to go out.
- Repeat step 2 one more time. Turn the ignition cylinder to OFF and then back to the ON position. The security light will illuminate for a final ten minutes.
- After the security light has gone off for the third time, turn the key off and remove it from the ignition. The key is now programmed, and all previous keys have been erased for security.
- Insert the key and start your vehicle to test the new 2002 Buick LeSabre key fob.
Get Back on the Road with a New Key
Replacing your 2002 Buick LeSabre key fob doesn’t have to be a major hassle. By understanding that you need a transponder key and following these steps for cutting and programming, you can get a new key and regain access to your vehicle. Consider purchasing an aftermarket key blank online for potential cost savings, and then visit a local locksmith for cutting. With a little effort, you’ll be back on the road in no time!
What’s Included:
- One aftermarket ignition key blank
- 90-day satisfaction guarantee and warranty.
