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2003 Buick Lesabre
Key Replacement - Save vs Dealer in San Diego

OEM Quality | Fraction of the Dealer Price

Available
2003 Buick Lesabre Transponder Key
Transponder Key

Why pay $400+ at the dealer when you can get the exact same OEM-spec key for a fraction of the cost? EZ Car Keyz delivers professional key replacement at prices that make sense.

CA BSIS LICENSE LCO#6792
Half the Dealer Price Same Key Quality Transparent Pricing
Fast Response15-25
min arrival
100+reviews
See why they skip the dealer113KSubscribers
2003 Buick Lesabre car key service at your door in Del Mar CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • San Diego, CA
15+
Yrs Exp
2003 Buick Lesabre car key service at your door in Del Mar CA
Key specialists
Best Price Guaranteed
Specialized in keys only - no overhead markups
Fixed pricing
No Hidden Fees
Key + cutting + programming all included in one price
Fast mobile service
We Come to You
Mobile service at no extra charge, 15-25 min
619 Special
10% OFFCODE:EZ-619-2026

🔥 Best price on car keys, guaranteed 🔥

Covers smart keys, fobs & transponders
REDEEM (619) 876-1271

2003 Buick Lesabre
Key Options

Dealer-grade key for a fair, honest price

Transponder Key
Most popular Buick key typeMost Popular
2003 Buick Lesabre Transponder Key
FCC IDPart #B99 35118-SDA-A01 5907553 BHO02PT HD112 HO03PT S000A-S711K 15821273ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Remote
2003 Buick Lesabre Remote KOBLEAR1XT
FCC IDKOBLEAR1XTPart #10443537Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
On-site 2003 Buick Lesabre smart key options from EZ Car Keyz Del Mar CA
Skip the Dealer Markup
Professional key, honest rate
On-site 2003 Buick Lesabre smart key options from EZ Car Keyz Del Mar CA
🔧 PRO TIP
The 2003 Buick LeSabre uses a transponder key with the theft-deterrent system built into the ignition. The chip inside the key has to be recognized by the vehicle before it will allow a start. If the system does not see a valid chip, the security light stays on and the engine either won't crank or it cranks and immediately dies. That security light holding steady after a crank attempt is the tell -- it is not a battery issue, it is the immobilizer doing its job on an unknown key. One thing that trips people up: if you try a bad key repeatedly, some of these systems go into a timed lockout. The car will not attempt to relearn or accept anything new until that timer runs out. On the 2003 LeSabre, that lockout can run around 10 minutes before the system is ready to try again. Forcing it just resets the clock. Let it sit, then try once with the correct key. Also worth knowing: this generation used two different key blanks depending on which option the car was built with. Getting the wrong blank cut is a fast way to waste time and money before you even get to programming.
Related services: Ignition Repair · Smart Key

Why Pay Dealer Prices for a Buick Key?

Compare prices and stop overpaying for your key

EZ Car Keyz
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
✓ Yes
EZ Car Keyz wins 5 out of 6
Why pay dealer markup for the same result?
Book Service (619) 876-1271

2003 Buick Lesabre Transponder Key Replacement - Fast, Affordable & Professional

I got a call on a Wednesday from a dentist over at his practice in Del Mar Heights. He had patients booked back to back and his 2003 Buick LeSabre would not start. The security light was sitting solid on the dash. He could not leave, could not tow it mid-day, and his lunch window was about 40 minutes.

I drove out and met him in the lot between his appointments.

The blade was cutting fine. The issue was the transponder -- the vehicle security system was not recognizing the chip, and the car had gone into its lockout state from a few failed attempts before he called me. I let the timer clear, connected to the OBD port, ran the relearn procedure through the body control module, and got the replacement key enrolled. The security light went off. Engine started clean.

He was back inside before his 1pm patient sat down.

He mentioned almost calling the dealer first. That route would have meant an appointment, probably a day or two out, towing the car in since it would not drive, and sitting in queue behind whatever else they had going. A week of downtime is realistic on an older Buick at a dealership that does not keep these blanks on the shelf. He saved a good chunk just on towing alone, and the key was done the same morning he called.

Save vs the Dealer on Your Buick Lesabre Key

Get your key for hundreds less than the dealer. Same quality, same result, better price.

Get Pricing (619) 876-1271 Text Us
BSIS Licensed Locksmith - California License LCO#6792
BSIS Licensed
CA Bureau of Security & Investigative Services
NASTF Certified Automotive Locksmith - Vehicle Security Professional
NASTF Certified
National Automotive Service Task Force
Fully Insured Locksmith - Hiscox Liability and Vehicle Damage Coverage
Fully Insured
Liability & vehicle damage coverage
Google Guaranteed Locksmith - Verified and Background Checked
Google Guaranteed
Verified & backed by Google
Also serving: Carmel Valley · Del Mar Heights · Del Mar Village · Torrey Pines

Buick Lesabre Rapid Response, Done Right

Rapid response in the field

On-site 2003 Buick Lesabre car key programming in Del Mar CA
Transponder Key | Rapid On-Site Service
2003 Buick Lesabre | San Diego
On-site 2003 Buick Lesabre car key programming in Del Mar CA
2003 Buick Lesabre Transponder Key
2003 Buick Lesabre
Transponder Key | Programmed for Less
Estimated arrival time to Del Mar
Quick & Affordable
Rapid Arrival
Available Today
Service location Del Mar
Del Mar
Best Rate Here
619 Area
Same-Day Keys (619) 876-1271

Real Reviews, Real Savings

See why drivers choose us over the dealer

B
Bradley B.
May 2024
★★★★★

“Locked out on a weekend night and everyone else wanted $300+. EZ Car Keyz sent Roman late at night for much less. He worked for over an hour and did not give up until the door opened. They even made a new key on the spot.”

Yelp Review
M
Marianne S.
Dec 2022
★★★★★

“I had two Subaru key fobs made and Marco provided excellent service. He stayed persistent through multiple part orders to make sure everything was correct. Very thorough, punctual, and great communication throughout.”

Google Review
T
Tommy M.
Dec 2023
★★★★★

“Tim went above and beyond. I struggled all day trying to program a new FOB and nothing worked. Tim helped me patiently, even recommending cheaper options since I was on a tight budget. He eventually came all the way to Ojai late at night and fixed everything.”

Yelp Review
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On-site 2003 Buick Lesabre key service review - EZ Car Keyz Del Mar CA
“Real savings, real reviews.”
On-site 2003 Buick Lesabre key service review - EZ Car Keyz Del Mar CA
5.0 out of 5 - Based on Over 100 five-star Google reviews
Best Price (619) 876-1271

Buick Lesabre Mobile Service FAQ

Real costs, no dealer surprises

What if I need a key after hours or on the weekend?
Call us. Dealer service departments are closed by early evening and most have limited Saturday hours at best. If your only key stops working on a Friday night, you are likely looking at Monday before a dealer can even schedule you. We work evenings and weekends, because that is exactly when most people realize they have a key problem.
How long does programming actually take once you are at my car?
Can you make a key faster than the dealer?
My 2003 LeSabre cranks fine but stalls right away and the security light comes on. Is that a key issue or something else?
I bought a replacement key blank online for my 2003 LeSabre. Can I just bring it to you to program?
Questions? Call (619) 876-1271

Buick Lesabre Key Service Areas

Fair pricing in every city we serve

📍San Diego County
San Diego County service area map
619 LOCAL LOCKSMITH
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San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado
2003 Buick Lesabre car key service coverage in San Diego County CA
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Buick Lesabre car key replacement video
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Get the Best Price on Buick Lesabre Key Replacement

Why overpay? EZ Car Keyz gives you OEM quality at a fair price. No surprises, no hidden fees.

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