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2009 Buick Lacrosse
Key Replacement - Save vs Dealer in San Diego

Lost Every Key? | We Start From Scratch

Available
2009 Buick Lacrosse Transponder Key
Transponder Key

Whether you lost your only key, it was stolen, or it just stopped working, we handle it. No existing key needed. Our technicians program new keys directly to your vehicle's computer.

CA BSIS LICENSE LCO#6792
Locked Out? No Stress Keys From Zero Fast Response
Fast Response15-25
min arrival
100+reviews
See why they skip the dealer113KSubscribers
2009 Buick Lacrosse key replacement info - no tow needed - EZ Car Keyz El Cajon CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • San Diego, CA
15+
Yrs Exp
2009 Buick Lacrosse key replacement info - no tow needed - EZ Car Keyz El Cajon CA
Key specialists
Zero Keys Needed
We program directly to your vehicle's computer
Fixed pricing
On-Site Key Cutting
New key cut from vehicle codes, not from a copy
Fast mobile service
Fast Recovery
Back on the road in 30-45 minutes from arrival
619 Special
10% OFFCODE:EZ-619-2026

🔥 Rescue key service, 10% off 🔥

Covers lockouts, lost keys & spares
REDEEM (619) 876-1271

2009 Buick Lacrosse
Key Options

Dealer-grade key for a fair, honest price

Transponder Key
Most popular Buick key typeMost Popular
2009 Buick Lacrosse Transponder Key
FCC IDPart #5928820ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Remote
2009 Buick Lacrosse Remote KOBGT04A
FCC IDKOBGT04APart #22733524Buttons5BatteryCR2032Frequency315 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Remote
2009 Buick Lacrosse Remote KOBGT04A
FCC IDKOBGT04APart #15252034Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
2009 Buick Lacrosse key fob cut and delivered to you in El Cajon CA
Skip the Dealer Markup
Professional key, honest rate
2009 Buick Lacrosse key fob cut and delivered to you in El Cajon CA
🔧 PRO TIP
The 2009 Buick LaCrosse uses a transponder key, not a smart key. No push-button start, no proximity entry. The key turns in an ignition cylinder and the transponder chip in the head has to be recognized by the immobilizer before the engine will run. That matters because if you buy a cut key blank online and just have it cut, the car will crank but not fire. The chip still needs to be programmed to that specific vehicle. Also worth knowing: this generation LaCrosse was part of a GM ignition switch campaign involving keys that could rotate out of the run position if bumped or weighed down by a heavy keyring. If that was never addressed on your car, keep the keyring light and have the ignition inspected before it strands you mid-drive.
Related services: Ignition Repair · Smart Key

Lost Buick Key: Tow vs Mobile Fix

Stranded? Compare response times

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
New key made on the spot, no original required
Book Service (619) 876-1271

2009 Buick Lacrosse Transponder Key Replacement - Fast, Affordable & Professional

Out in Harbison Canyon, east of El Cajon, a guy called me from the parking lot of a medical office. He'd just come out on crutches after a procedure and his 2009 Buick LaCrosse wouldn't start. The key turned fine, engine cranked, and then died right away. Classic immobilizer behavior.

He'd actually had a spare key made at a hardware store a few weeks back. That was the key he was using. The original was somewhere at home. The hardware store blank had been cut to his vehicle correctly, but nobody programmed the transponder, so the immobilizer saw it as a stranger.

I pulled up, got the equipment going at the hood, and linked into the vehicle through the OBD port to enroll the key. While I was at it, I cut a proper programmed spare so he'd have backup that actually worked. The whole thing was done before he finished his water bottle.

He asked if he should call the dealer about the other key. I told him the original was probably still good, just bring it by and I can verify it's still enrolled. He seemed relieved he didn't have to arrange a tow or a ride across town. That part, getting the work done where the car sits, is the whole point of what I do.

Save vs the Dealer on Your Buick Lacrosse Key

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

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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: Bostonia · Crest · Downtown El Cajon · Fletcher Hills

Buick Lacrosse Rapid Response, Done Right

Rapid response in the field

2009 Buick Lacrosse key replaced in your driveway in El Cajon CA
Transponder Key | Rapid On-Site Service
2009 Buick Lacrosse | San Diego
2009 Buick Lacrosse key replaced in your driveway in El Cajon CA
2009 Buick Lacrosse Transponder Key
2009 Buick Lacrosse
Transponder Key | Rescue Key
Estimated arrival time to El Cajon
Priority ETA
Rapid Arrival
Available Today
Service location El Cajon
El Cajon
Help Is Close
619 Area
Same-Day Keys (619) 876-1271

Lockout to Five-Star Review

Lost key panic turned to five-star praise

A
Alexx C.
Dec 2025
★★★★★

“My key fob stopped working while I was at Oxnard Harbor and I thought I was going to need a tow. EZ Car Keyz showed up fast, programmed a new fob, checked everything carefully, and made sure the car was fully functional before leaving.”

Google Review
M
Mark F.
Feb 2024
★★★★★

“Needed a spare car key made and chose EZ Car Keyz based on their reviews. The reviews were right. They gave me the best price, responded quickly to all my questions, came to my workplace, cut the keys on site, and finished fast.”

Yelp Review
S
Sonia V.
Feb 2024
★★★★★

“Marco came out quickly, cut and programmed a new BMW key fob fast, and was extremely polite and professional.”

Yelp Review
Watch real savings, real jobs62KFollowers
Locksmith came to me for 2009 Buick Lacrosse key - EZ Car Keyz El Cajon CA review
“Real savings, real reviews.”
Locksmith came to me for 2009 Buick Lacrosse key - EZ Car Keyz El Cajon CA review
5.0 out of 5 - Based on Over 100 five-star Google reviews
Best Price (619) 876-1271

Buick Lacrosse Mobile Service FAQ

Real costs, no dealer surprises

Does the 2009 Buick LaCrosse key have a battery I need to replace?
No. This is a transponder key, not a remote fob. There is no battery in it. The transponder chip inside the key head is passive, meaning it gets its power from a signal the vehicle sends when you insert the key. Nothing to swap out, nothing to charge. If your key is failing, it is either a programming issue, a damaged chip from a cracked key head, or the ignition switch or immobilizer hardware on the vehicle side. Call us and we can walk through it.
I found a replacement key blank online with a part number on it. Can I just use that?
How fast can you get out to Harbison Canyon in El Cajon?
My 2009 LaCrosse cranks but stalls right away. Could the key be the cause?
Can I program a replacement transponder key myself at home for the 2009 LaCrosse?
Questions? Call (619) 876-1271

Buick Lacrosse Key Service Areas

Stranded in any city? We come to you

📍San Diego County
San Diego County service area map
619 LOCAL LOCKSMITH
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San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado
Doorstep 2009 Buick Lacrosse locksmith coverage across San Diego County CA
Emergency dispatch throughout San Diego County

Lost your keys? We’ll come to wherever the car is

Get Help Now (619) 876-1271
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Buick Lacrosse car key replacement video
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Every Buick Lacrosse Key Lost? We Handle It

Lost your only key? Don't panic. We specialize in all-keys-lost and arrive ready to program.

Skip the dealer for 2009 Buick Lacrosse car key - EZ Car Keyz El Cajon CA
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