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2009 Cadillac CTS
Key Replacement - Save vs Dealer in San Diego

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2009 Cadillac CTS Smart Key
Smart Key

You shouldn't have to take a day off work for a car key. Our mobile service meets you at your location on your schedule. Most appointments available same day.

CA BSIS LICENSE LCO#6792
We Come to You No Towing Needed Home, Work, Roadside
Fast Response15-25
min arrival
100+reviews
See why they skip the dealer113KSubscribers
Key specialists
Key Specialists
Fully equipped mobile unit - all makes and models
Fixed pricing
At Your Location
Home, office, parking lot - wherever you are
Fast mobile service
No Towing Needed
We handle everything on-site, even all-keys-lost
619 Special
10% OFFCODE:EZ-619-2026

🔥 Mobile key service at your door 🔥

Redeemable on any mobile service call
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2009 Cadillac CTS
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Cadillac key typeMost Popular
2009 Cadillac CTS Smart Key M3N5WY7777A
FCC IDM3N5WY7777APart #25943676Buttons5BatteryCR2032Frequency315 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Push To Start
2009 Cadillac CTS Smart Key M3N5WY7777A
FCC IDM3N5WY7777APart #25946298Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Remote Head Key
2009 Cadillac CTS Remote Head Key OUC6000066
FCC IDOUC6000066Part #5923884Buttons5BatteryCR2032Frequency315 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Remote Head Key
2009 Cadillac CTS Remote Head Key OUC6000066
FCC IDOUC6000066Part #22889449Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Transponder Key
2009 Cadillac CTS Transponder Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Smart Key
2009 Cadillac CTS Smart Key
FCC IDPart #25995382ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
🔧 PRO TIP
The 2009 CTS smart key is a 5-button fob running a CR2032. The rubber button membranes on these wear out over time, especially the lock and unlock buttons that get the most daily abuse. That's a shell problem, not an electronics failure. The board inside is usually fine. A shell swap transplants the original circuit board into a fresh housing and gets the fob feeling new without touching the programming. Worth knowing before anyone talks you into a full replacement. Also: on these second-gen CTS fobs, the battery contacts can develop a slight corrosion film that reads like a dead battery even when the CR2032 tests fine on a meter. Pull the battery, clean the contacts with a dry cloth, reseat it, and retest before assuming anything bigger is wrong.
Related services: Ignition Repair · Smart Key

Cadillac CTS Key: Mobile vs Dealer Visit

No towing, no waiting rooms - compare the experience

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
We bring the shop to you
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2009 Cadillac CTS Smart Key Replacement - Fast, Affordable & Professional

I got a call from a woman parked in a lot off Mast Boulevard in Downtown Santee. Her 2009 Cadillac CTS was giving her a key-not-detected warning and she had already swapped the battery herself. Twice. She was convinced the fob was dead.

When I pulled up, she handed me the fob before I even got fully out of the van. The CR2032 she'd put in was fine. But the battery contact inside had a small bend from being pried open with a flathead, just enough to keep it from seating flush. Classic.

I straightened the contact, cleaned both terminals, and seated the battery correctly. That was maybe four minutes of work on the hood of my van.

Then came the part that actually matters. I walked every button. Lock. Unlock. Trunk release. Panic. Tested the range from across the lot and back. Ran three starts. Not because I expected to find more problems, but because that is the job. If something else is quietly failing, that test sequence catches it before it catches her somewhere less convenient than a parking lot in Santee.

Everything checked out. She said the dealer had quoted her a full fob replacement plus programming time, no questions asked. She paid a fraction of that for a contact straighten and a thorough test, and left with a fob that worked the way it should.

I see this a lot on the 2009 CTS. The fob itself is pretty durable. The way people open it is usually what causes the problem.

Save vs the Dealer on Your Cadillac CTS 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
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Also serving: Carlton Hills · Downtown Santee · Fanita Ranch · Santee Lakes Area

Cadillac CTS Rapid Response, Done Right

Rapid response in the field

2009 Cadillac CTS Smart Key
2009 Cadillac CTS
Smart Key | Made at Your Door
Estimated arrival time to Santee
We Come to You
Rapid Arrival
Available Today
Service location Santee
Santee
We Come Here
619 Area
Same-Day Keys (619) 876-1271

Reviews From Happy Cadillac Customers

Mobile service that comes to you

J
Jennifer R.
Feb 2024
★★★★★

“The dealership quoted me $600 for a new Honda key. EZ Car Keyz did it for $225, same day, cut and programmed at my house. Works perfectly. Everyone should know this is an option.”

Yelp Review
E
Erick
Nov 2025
★★★★★

“A+ service at an even better price. Tim was a lifesaver. I lost my original and only key for my Audi and he was willing to come to my location at 8pm the same day. He worked fast, communicated clearly, and made sure everything worked before leaving.”

Google Review
H
Hunter P.
Jul 2025
★★★★★

“I called over 40 locksmiths trying to get a key made for my Audi A6 and nobody could do it. Tim made it easy, fast, and affordable. He showed up with a smile and got the job done without any stress. Absolute wizard with keys.”

Google Review
Watch real savings, real jobs62KFollowers
5.0 out of 5 - Based on Over 100 five-star Google reviews
Best Price (619) 876-1271

Cadillac CTS Mobile Service FAQ

Real costs, no dealer surprises

My key blade snapped. Can you still make me a working key?
Yes, and this is a pretty common call on the 2009 CTS. The blade and the electronics are two separate things inside the fob housing. If your circuit board is intact, I can transplant it into a new shell with a fresh blade cut to your vehicle. You keep your existing programming and avoid a full re-registration. If both the blade and the board are damaged, I cut and program a complete replacement on site in Downtown Santee. Either way, you are not waiting days at a dealer.
What exactly is a smart key and how does the 2009 CTS use one?
My 2009 CTS is showing a key-not-detected warning. Where do I start?
I bought a replacement fob online for my 2009 CTS. Can I program it myself?
The buttons on my CTS fob are worn down to the bare rubber. Is the fob finished?
Questions? Call (619) 876-1271

Cadillac CTS Key Service Areas

We come to you in every city listed

📍San Diego County
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San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado

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