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2007 Cadillac CTS
Key Replacement - Save vs Dealer in San Diego

100+ Five-Star Reviews | Certified Pros

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2007 Cadillac CTS Transponder Key
Transponder Key

Not all locksmiths are created equal. EZ Car Keyz is BBB A+ rated, fully licensed and insured, and trusted by thousands of customers across the area. Your vehicle is in good hands.

CA BSIS LICENSE LCO#6792
BBB A+ Rated Licensed & Bonded Certified Techs
Fast Response15-25
min arrival
100+reviews
See why they skip the dealer113KSubscribers
Key specialists
BSIS Licensed
Licensed by the California Bureau of Security
Fixed pricing
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National Automotive Service Task Force approved
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100+ Reviews
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10% OFFCODE:EZ-619-2026

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2007 Cadillac CTS
Key Options

Dealer-grade key for a fair, honest price

Transponder Key
Most popular Cadillac key typeMost Popular
2007 Cadillac CTS Transponder Key
FCC IDPart #5928825ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Remote
2007 Cadillac CTS Remote L2C0005T
FCC IDL2C0005TPart #16263074-99Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
🔧 PRO TIP
The 2007 CTS uses a transponder key, not a smart key or fob. There is no remote, no push-button start, no proximity entry. Just a key with a transponder chip that talks to the immobilizer when you turn the ignition. The thing forums get wrong constantly is blaming the transponder when the real culprit is the ignition switch. This generation of CTS was caught up in a GM ignition switch concern where the switch could rotate out of the run position from key-ring weight or road vibration. Random stalls, no-start conditions, and security light behavior that looks exactly like an immobilizer fault can actually be the switch losing contact mid-drive. If the car dies on the highway and then restarts fine after a minute, that is a mechanical ignition problem, not a chip problem. Get the switch situation sorted before spending money on key programming.
Related services: Ignition Repair · Smart Key

Compare Cadillac CTS Key Credentials

Our credentials vs dealer service - side by side

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
BSIS licensed with OEM quality guaranteed
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2007 Cadillac CTS Transponder Key Replacement - Fast, Affordable & Professional

I was over near Dictionary Hill on a weekday afternoon. The customer had a 2007 Cadillac CTS that had been sitting for a few months after a family member passed, and the only key that existed was worn down to the point it was barely readable. The ignition was stiff, the security light was cycling on startup, and they had no idea if the key was the problem or something deeper.

First thing I did was decode what was left of the blade. Enough of the cuts were still visible to work from. I made a new key blank cut to the vehicle, tested it mechanically, and it turned cleanly.

Then came the part that actually takes time on these: the transponder relearn. The 2007 CTS immobilizer needs to see a properly programmed chip before it will let the engine run past a few seconds. I ran the security access through the OBD port, enrolled the new key, and did three cold starts spaced out to confirm the system was holding. Security light went off on the third start and stayed off.

The customer had already called a dealer before finding me. They were told to tow it in and plan on leaving it overnight. I did the whole job in the driveway, in about 45 minutes, for a fraction of what they had been quoted. They kept the worn original too, once I got a second key made from the same code. Backup key from day one.

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
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
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Also serving: Bancroft · Casa de Oro · Dictionary Hill · Spring Valley Village

Cadillac CTS Rapid Response, Done Right

Rapid response in the field

2007 Cadillac CTS Transponder Key
2007 Cadillac CTS
Transponder Key | Pro Grade Service
Estimated arrival time to Spring Valley
Proven Timing
Rapid Arrival
Available Today
Service location Spring Valley
Spring Valley
Insured Service
619 Area
Same-Day Keys (619) 876-1271

Five Stars From Verified Customers

Reviews that back up our credentials

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
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.”

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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

I lost all my keys to my 2007 Cadillac CTS. Can you still make one?
Yes, all-keys-lost on the 2007 CTS is a job I handle on site. The process involves cutting a new key blade to your vehicle, programming the transponder chip through the OBD port, and running the immobilizer relearn sequence. Because there is no working key to reference, the security access step takes longer than a simple spare. Plan on 45 to 60 minutes at the vehicle. No tow required. The dealer will almost always tell you to tow it in and leave it, but that is their workflow, not a technical requirement. I come to you.
Do I have to tow my CTS to the dealer if there are no keys?
How long does an all-keys-lost job take on the 2007 CTS?
The security light stays on when I start my 2007 CTS. Is that a key or transponder problem?
Can I buy a replacement key online and program it myself?
Questions? Call (619) 876-1271

Cadillac CTS Key Service Areas

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