VENTURA COUNTY
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1999 Cadillac Seville
Key Replacement - Save vs Dealer in Ventura County

OEM Quality | Fraction of the Dealer Price

Available
1999 Cadillac Seville Transponder Key
Transponder Key

Dealerships charge a premium because they can. We don't. Same key, same programming, same quality - just without the markup. Call for an honest quote with no hidden fees.

CA BSIS LICENSE LCO#6792
Half the Dealer Price Same Key Quality Transparent Pricing
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
1999 Cadillac Seville key replacement cost - EZ Car Keyz Ventura CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
1999 Cadillac Seville key replacement cost - EZ Car Keyz Ventura 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
805 Special
10% OFFCODE:EZ-805-2026

🔥 Best price on car keys, guaranteed 🔥

Covers smart keys, fobs & transponders
REDEEM (805) 790-8162

1999 Cadillac Seville
Key Options

Dealer-grade key for a fair, honest price

Transponder Key
Most popular Cadillac key typeMost Popular
1999 Cadillac Seville Transponder Key
FCC IDPart #B99 35118-SDA-A01 5907553 BHO02PT HD112 HO03PT S000A-S711K 15821273ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Remote
1999 Cadillac Seville Remote KOBUT1BT
FCC IDKOBUT1BTPart #15732805Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
MECHANICAL-KEY
1999 Cadillac Seville MECHANICAL-KEY
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Budget 1999 Cadillac Seville key fob options from EZ Car Keyz Ventura CA
Skip the Dealer Markup
Professional key, honest rate
Budget 1999 Cadillac Seville key fob options from EZ Car Keyz Ventura CA
🔧 PRO TIP
The 1999 Seville runs GM's PASS-Key III (PK3) system with a Megamos ID48 transponder chip embedded in the key head. The key blade is a B99 / B102 keyway, not the older VATS resistor pellet from earlier Sevilles. If your Seville cranks but won't fire and the SECURITY or THEFT SYSTEM light stays solid on the DIC, the BCM isn't reading the transponder. Don't keep cranking. That 10-minute security relearn timer resets every failed attempt.
Related services: Ignition Repair · Smart Key

Why Pay Dealer Prices for a Cadillac 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
Save hundreds without sacrificing quality
Book Service (805) 790-8162

1999 Cadillac Seville Transponder Key Replacement - Fast, Affordable & Professional

A guy in the East Ventura neighborhood had just picked up a 1999 Cadillac Seville STS at an estate sale. Beautiful car, well kept, but it came with one key. The family handing it over gave him a single blade with a worn-out remote and told him to figure out the spare situation on his own.

He called the Cadillac dealer first. They told him to bring the car in and leave it, probably a couple days for the parts and programming. He found me online and asked if that timeline was normal.

I told him it was normal for a dealer. Not for a locksmith.

I met him at his place, read the transponder data from his working key with my VVDI2, and programmed a new PK3 transponder through the OBD-II port. The Seville's BCM, a Delphi unit on the K-body platform, accepts add-a-key when you have at least one working original. I cut the B99 blade on my Condor, synced the new remote, and tested both keys through full start cycles.

He stood there turning one key over in each hand like he was comparing them for weight.

Whole thing took about 25 minutes. He drove off with two working keys for a fraction of what the dealer quoted for one. That spare also means if he ever loses one, any future call is a simple add-a-key job instead of an all-keys-lost procedure, which saves a good chunk on any GM vehicle.

Save vs the Dealer on Your Cadillac Seville Key

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

Get Pricing (805) 790-8162 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: Casitas Springs · College · Downtown Ventura · East Ventura

Cadillac Seville Rapid Response, Done Right

Rapid response in the field

Affordable 1999 Cadillac Seville key replacement by EZ Car Keyz in Ventura CA
Transponder Key | Rapid On-Site Service
1999 Cadillac Seville | Ventura County
Affordable 1999 Cadillac Seville key replacement by EZ Car Keyz in Ventura CA
1999 Cadillac Seville Transponder Key
1999 Cadillac Seville
Transponder Key | Programmed for Less
Estimated arrival time to Ventura
Quick & Affordable
Rapid Arrival
Available Today
Service location Ventura
Ventura
Best Rate Here
805 Area
Same-Day Keys (805) 790-8162

Real Reviews, Real Savings

See why drivers choose us over the dealer

E
Esteban S.
Dec 2025
★★★★★

“My Chevy key snapped while I was running errands in North Oxnard. He removed the broken piece from the ignition, cut a new blade, programmed the transponder, and tested everything thoroughly. The whole job was smooth and professional. Best automotive locksmith I have used.”

Google Review
K
Kelly C.
Dec 2024
★★★★★

“My car keys were stolen on a cold evening and Nick drove all the way out to Santa Barbara. He got into my car, made a new key, and charged $100 less than another company. Friendly, skilled, trustworthy, and genuinely caring. Nick is a hero.”

Yelp Review
K
Kane G.
Apr 2024
★★★★★

“Tim is a hero. He programmed a master proximity key for a newer Volkswagen that multiple locksmiths refused to touch. He spent hours until late at night making sure every function worked perfectly. The skill level here is incredible.”

Yelp Review
Watch real savings, real jobs62KFollowers
Customer review showing savings on 1999 Cadillac Seville key by EZ Car Keyz Ventura CA
“Real savings, real reviews.”
Customer review showing savings on 1999 Cadillac Seville key by EZ Car Keyz Ventura CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Cadillac Seville Mobile Service FAQ

Real costs, no dealer surprises

Do I need to bring my 1999 Cadillac Seville somewhere for key replacement?
Nope. I come to you. Wherever your Seville is sitting in the East Ventura neighborhood or anywhere in Ventura, I show up with the key blank, cutting machine, and GM programming tools. Cadillac dealers need you to either drive in on a working key or have the car towed to their service bay, then leave it there while they order the blank and schedule the programming. I handle everything curbside in one visit. You keep your car the whole time.
How does mobile key replacement actually work on a 1999 Seville?
What do I need to have ready when EZ Car Keyz arrives?
My Seville's SECURITY light is on and the car won't start. Is the key bad?
My 1999 Seville had VATS before. Did they change the system?
Questions? Call (805) 790-8162

Cadillac Seville Key Service Areas

Fair pricing in every city we serve

📍Ventura County & SB
Ventura County service area map
805 LOCAL LOCKSMITH
need a key? 🔑
Santa Barbara
Santa BarbaraETA 30-35 min
Goleta
GoletaETA 30-35 min
Isla Vista
Isla VistaETA 30-35 min
Montecito
MontecitoETA 25-30 min
Carpinteria
CarpinteriaETA 20-25 min
Ojai
OjaiETA 20-25 min
Ventura
VenturaETA 10-15 min
Santa Paula
Santa PaulaETA 20-25 min
Fillmore
FillmoreETA 25-30 min
Oxnard
OxnardETA 10-15 min
Port Hueneme
Port HuenemeETA 10-15 min
Camarillo
CamarilloETA 15-20 min
Moorpark
MoorparkETA 25-30 min
Simi Valley
Simi ValleyETA 30-35 min
Thousand Oaks
Thousand OaksETA 20-25 min
Santa BarbaraGoletaMontecitoCarpinteriaOjaiVenturaSanta PaulaFillmoreOxnardPort HuenemeCamarilloMoorparkSimi ValleyThousand Oaks
Affordable 1999 Cadillac Seville locksmith service area in Ventura County CA
Affordable 1999 Cadillac Seville locksmith service area in Ventura County CA
Stranded in Ventura County? We respond fast

Free mobile service to all listed cities - no trip fees

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Cadillac Seville car key replacement video
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Get the Best Price on Cadillac Seville Key Replacement

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

Best price 1999 Cadillac Seville car key replacement by EZ Car Keyz Ventura CA
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