VENTURA COUNTY
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Fast Response Locksmith

2006 Cadillac STS
Key Replacement - Save vs Dealer in Ventura County

At Your Door | Home, Work, or Roadside

Available
2006 Cadillac STS Smart Key
Smart Key

Skip the trip to the dealer. Our mobile locksmith brings professional-grade equipment right to your door anywhere in the area. Your new key is cut and programmed while you wait.

CA BSIS LICENSE LCO#6792
Mobile Service No Dealer Trip At Your Location
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
Verified locksmith 2006 Cadillac STS key specs from EZ Car Keyz Simi Valley CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
Verified locksmith 2006 Cadillac STS key specs from EZ Car Keyz Simi Valley CA
Key specialists
Mobile Service
Our van carries everything - no shop visit needed
Fixed pricing
On Your Schedule
Same-day appointments, 7 days a week
Fast mobile service
One-Visit Solution
Key cut and programmed in a single visit
805 Special
10% OFFCODE:EZ-805-2026

🔥 We come to you, save even more 🔥

We bring the savings to your location
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2006 Cadillac STS
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Cadillac key typeMost Popular
2006 Cadillac STS Smart Key M3N-65981403
FCC IDM3N-65981403Part #15212382Buttons5BatteryCR2032Frequency315 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Transponder Key
2006 Cadillac STS Transponder Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Dealer grade 2006 Cadillac STS key fob from EZ Car Keyz Simi Valley CA
Skip the Dealer Markup
Professional key, honest rate
Dealer grade 2006 Cadillac STS key fob from EZ Car Keyz Simi Valley CA
🔧 PRO TIP
The 2006 STS runs a proximity-style smart key system, and the fob takes a CR2032. Before assuming the fob is dead or the vehicle security system has dropped a key from memory, pull the battery and check the contacts. These fobs are known to give weak or intermittent signals when the battery reads "fine" on a meter but can't hold voltage under load. Also worth knowing: the STS has a backup start pocket built into the center console. If the fob battery is completely gone, place the fob in that pocket and the car will read it passively. A lot of owners don't find that pocket until they're already stranded.
Related services: Ignition Repair · Smart Key

Skip the Dealer Trip

See why mobile key service beats the dealer trip

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
No appointment, no lobby, no hassle
Book Service (805) 790-8162

2006 Cadillac STS Smart Key Replacement - Fast, Affordable & Professional

A guy over in Old Town Simi had been nursing his 2006 STS fob for a couple weeks before he called. The door handles weren't responding reliably, range had dropped to almost nothing, and the dash was throwing a key-not-detected warning every other start. He'd already swapped the CR2032 himself, but he bought the battery at a gas station and didn't check whether it seated flat against the contacts.

I met him in a parking lot near the Old Town area. Popped the fob open on my tailgate. The battery he'd put in was slightly bowed and only making contact on one edge. Cleaned the terminals, seated a fresh CR2032 correctly, and tested the door handles. Range came back. The warning cleared on the next start cycle.

That fixed the immediate symptom. But while I was there I ran the fob through a full button test and confirmed all five buttons were responding cleanly. On a fob this age, you want to know before you leave that nothing else is quietly failing.

He mentioned he'd almost driven to the dealer. I told him what that visit would have looked like: appointment, diagnostic fee, probably a new fob quote before anyone even opened the existing one. He shook his head. The fix took less than twenty minutes and cost him a fraction of what they wanted.

Save vs the Dealer on Your Cadillac STS 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: Big Sky · Bridle Path · Corriganville · East Simi Valley

Cadillac STS Rapid Response, Done Right

Rapid response in the field

Insured mobile locksmith working on 2006 Cadillac STS in Simi Valley CA
Smart Key | Rapid On-Site Service
2006 Cadillac STS | Ventura County
Insured mobile locksmith working on 2006 Cadillac STS in Simi Valley CA
2006 Cadillac STS Smart Key
2006 Cadillac STS
Smart Key | Made at Your Door
Estimated arrival time to Simi Valley
We Come to You
Rapid Arrival
Available Today
Service location Simi Valley
Simi Valley
We Come Here
805 Area
Same-Day Keys (805) 790-8162

What Mobile Service Feels Like

Reviews from customers who stayed home

N
Natasha S.
Sep 2025
★★★★★

“Very professional and extremely affordable. The price was literally about three times cheaper than what my dealership quoted me. Fast service and no stress at all. Highly recommend.”

Google Review
A
A. G.
Jun 2025
★★★★★

“A friend lost my Lexus key and he was able to program and cut a brand new one within 20 minutes. Arrived within about 40 minutes and was friendly, efficient, and quick.”

Google Review
J
Joseph C.
Apr 2024
★★★★★

“I needed two keys made for my Honda Element. Friendly, fast, fair pricing, and far better than any other locksmith I have used in the area. Best service by far.”

Yelp Review
Watch real savings, real jobs62KFollowers
Google Guaranteed locksmith review for 2006 Cadillac STS - EZ Car Keyz Simi Valley CA
“Real savings, real reviews.”
Google Guaranteed locksmith review for 2006 Cadillac STS - EZ Car Keyz Simi Valley CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Cadillac STS Mobile Service FAQ

Real costs, no dealer surprises

What is the cheapest way to handle all-keys-lost on my 2006 Cadillac STS?
Call a mobile locksmith first. Dealer all-keys-lost on an STS means a tow, a wait for an appointment, a diagnostic fee, and then the key programming on top of that. The total adds up fast, and same-day service is not guaranteed. For the STS, all-keys-lost requires diagnostic equipment to access the vehicle security system through the OBD port, wipe the stored key memory, and register new fobs. It cannot be done with a button sequence or ignition trick. But that work doesn't have to happen at a dealership. I come to your location in Old Town Simi or anywhere else in Simi Valley, bring the tools, program the replacement fob on site, and test everything before I leave. No tow, no overnight drop-off.
Can you erase lost or stolen fobs from my 2006 STS so they can't be used to start the car?
Does my 2006 Cadillac STS smart key have a hidden emergency blade inside it?
My 2006 STS starts fine sometimes, but other times the dash shows a key warning and it won't start. Why is it inconsistent?
I bought a replacement fob for my 2006 STS online. Can I program it myself?
Questions? Call (805) 790-8162

Cadillac STS Key Service Areas

Mobile service across the full region

📍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
Guaranteed 2006 Cadillac STS locksmith service area in Ventura County CA
Guaranteed 2006 Cadillac STS locksmith service area in Ventura County CA
Stranded in Ventura County? We respond fast

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Cadillac STS car key replacement video
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Cadillac STS Key Made at Your Location

Skip the dealer trip. We bring everything to cut and program your key where you are.

Rated number one 2006 Cadillac STS locksmith - EZ Car Keyz Simi Valley CA
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Ventura County