2005 Buick Lesabre
Key Made in Under an Hour in Ventura County

Q: How long will the replacement key last?

A properly programmed key with an OEM-spec shell and a fresh battery should work for years between battery changes. The programming does not wear out or expire. Most issues people encounter over time are worn button pads or dead batteries, not programming failures.

Q: What if the new key stops working after a few weeks?

Call us. Every key we make is covered by our warranty. That said, if a properly programmed key stops working, the cause is usually the vehicle, not the key. A dead battery is the most common culprit. We troubleshoot the actual issue rather than just selling a replacement.

Q: How many buttons does the 2005 Buick Lesabre key have?

Your 2005 Buick Lesabre key has 3 buttons. The button count helps confirm exactly which fob your vehicle uses. When you call us, having this detail ready helps us verify the right key before we head to your location.

Q: Can I trust an aftermarket key to be reliable?

It depends on the source. Well-sourced aftermarket keys work fine on many vehicles. On newer push-to-start vehicles with advanced encryption, the system is less forgiving. We use keys that are tested and verified for your exact model so you are not paying for a gamble on compatibility.

On-Site in Minutes | Key Done in Under an Hour

Available Wednesday

Transponder

Remote

CA BSIS LICENSE LCO#6792

Rapid Response Same-Day Keys Quick Turnaround

Fast Response15-25

min arrival

1,000+reviews

Call (805) 790-8162 Text Us

Done in Under 1 Hour

Key cut and programmed in 20-45 minutes

1,000+ Reviews

Five-star rated on Google, Yelp, and BBB A+

Emergency Service

Available 7 days a week, 6 AM to 11:30 PM

805 Special

10% OFFCODE:EZ-805-2026

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REDEEM (805) 790-8162

2005 Buick Lesabre
Key Options

Call now, key in hand today

Remote

Pairs With Key

FCC IDKOBLEAR1XTPart #10443537Buttons4BatteryCR2032Frequency315 MHzRemote StartNo

✓ In Stock · Programmed On-Site

Transponder Key

Cheaper

2005 Buick Lesabre Transponder Key B99-PT

Key BlankB99-PTPart #B99 35118-SDA-A01 5907553 BHO02PT HD112 HO03PT S000A-S711K 15821273

✓ In Stock · Programmed On-Site

EZ Car Keyz technician holding a programmed car key

🔧 PRO TIP

Buick dealers price keys in the same range as Chevy, roughly $130 to $250 for the fob and $30 to $100 for programming. That is well below Cadillac territory. A mobile locksmith can often do the same job for $75 to $150 less, especially if you supply your own fob.

Same-Day Keys (805) 790-8162

Compare Buick Lesabre Key Credentials

Our credentials vs dealer service - side by side

EZ Car Keyz

Dealership

Average Cost

✓ $$

✕ $$$$

Location

✓ We come to you

✕ You drive there

Wait Time

✓ 20-45 min

✕ 2-5 days

Same-Day

✓ Yes

✕ Rarely

All Keys Lost

✓ No problem

✕ Tow required

OEM Quality

✓ Yes

EZ Car Keyz wins 5 out of 6

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Talk To A Pro (805) 790-8162

2005 Buick Lesabre Transponder key Replacement - Fast, Affordable & Professional

Older Buick models with PK3 transponder keys are some of the fastest jobs I run. The B111 Z-keyway decodes cleanly, the blank cuts quickly, and if you have a working key the add-a-key sequence takes about 15 seconds. A spare with a working key can be done in 20 to 25 minutes.

A DIY restorer at the import salvage yard in Oxnard had his key snap in the ignition of his 2005 Buick Lesabre early one morning. Half the blade was stuck in the cylinder, the other half was in his hand. Classic GM problem with older Z-keyway blades.

I used my VVDI Key Tool to pre-code a fresh PK3 transponder while I worked on the extraction. I pulled the broken piece without damaging the wafers, decoded the lock with my B111 Lishi, and cut a fresh key. His remote, FCC ID , was a -button fob that paired back after the new key was registered.

He was back on the road in under an hour. Total was 125. A dealer would have charged 300 minimum plus a tow.

Same-Day Buick Lesabre Key Replacement

From your call to a working key in about an hour. No dealer delays, no multi-day wait.

Quick Response (805) 790-8162 Text Us

BSIS Licensed

LCO#6792

CA Bureau of Security & Investigative Services

NASTF Certified

National Automotive Service Task Force

Fully Insured

Liability & vehicle damage coverage

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All Buick Lesabre Keys Lost? Watch Us Work

No key? No problem

2005 Buick Lesabre

Transponder key | Emergency Programmed

10-15 min

Urgent Dispatch

Available Today

Oxnard

We Reach You

805 Area

Rescue Me (805) 790-8162

Fast Service, Five-Star Reviews

Reviews from drivers who got keys fast

F

Felipe P.

Oct 2025

★★★★★

“Quick, affordable, and professional service. Marco made a new key for my motorcycle after I lost it and had me back on the road fast. Clean work, great price, and super friendly.”

Google Review

R

Rick R.

Apr 2021

★★★★★

“Niv showed up, did his thing, and just like that I had two new keys for a fraction of what the dealership quoted. I have zero reservations recommending him to anyone who needs car keys replaced.”

Google Review

G

Guillermo C.

Dec 2025

★★★★★

“I called EZ Car Keyz to unlock my truck, make a key, and sync a new key fob. They were at my location within minutes and handled everything fast and friendly. Prices were great and the service was excellent.”

Google Review

EZ Car Keyz technician with satisfied customer

★ 5.0 out of 5 - Based on 1,000+ Google Reviews

Rapid Service (805) 790-8162

Our Credentials FAQ

How on-site key replacement works

Do you use OEM or aftermarket keys?▼

We use OEM-spec keys that match the exact FCC ID, chip type, and frequency for your specific 2005 Buick Lesabre. The smart key system is particular about what it will accept. We start with verified blanks so there are no compatibility surprises.

How long will the replacement key last?▼

What if the new key stops working after a few weeks?▼

How many buttons does the 2005 Buick Lesabre key have?▼

Can I trust an aftermarket key to be reliable?▼

Questions? Call (805) 790-8162