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Fast Response Locksmith

2003 Cadillac CTS
Key Replacement - Save vs Dealer in San Diego

Today, Not Thursday | Same-Day Service

Available
2003 Cadillac CTS Transponder Key
Transponder Key

Time matters when you need a car key. Our technicians are dispatched quickly with everything needed to cut and program your replacement key on the spot. No delays, no runaround.

CA BSIS LICENSE LCO#6792
Express Service Fast Programming Back on Road Fast
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
Key specialists
Fast Response
Average arrival time: 15-25 minutes
Fixed pricing
Same-Day Service
Call now, get your key today - no waiting days
Fast mobile service
Done in Under 1 Hour
Key cut and programmed in 20-45 minutes
619 Special
10% OFFCODE:EZ-619-2026

🔥 Rapid key service, 10% off 🔥

Instant savings on same-day service
REDEEM (619) 876-1271

2003 Cadillac CTS
Key Options

Dealer-grade key for a fair, honest price

Transponder Key
Most popular Cadillac key typeMost Popular
2003 Cadillac CTS Transponder Key
FCC IDPart #5928825ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Remote
2003 Cadillac CTS Remote L2C0005T
FCC IDL2C0005TPart #16263074-99Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
🔧 PRO TIP
Your CTS uses a PK3+ transponder key (B112 blade, Megamos 48 chip). All-keys-lost uses the standard GM 3 times 10-minute on-board relearn, the same procedure as a contemporary Chevy Impala or Buick LaCrosse. No scan tool is required for AKL on these.
Related services: Ignition Repair · Smart Key

Quick Service vs Long Wait

Done today vs done next week

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
Back on the road before the dealer even calls back
Book Service (619) 876-1271

2003 Cadillac CTS Transponder Key Replacement - Fast, Affordable & Professional

Older Cadillacs with the Z-keyway blade are some of the fastest key jobs on any luxury brand. The lock decodes clean, the blade cuts quick, and the GM security learn on these earlier platforms finishes in 10 to 15 minutes. A spare when you already have one working key can be done in 20 minutes flat on most pre-2010 Cadillac models.

A driver at an interstate service plaza near Eastlake had his key go stiff in the ignition of his 2003 Cadillac CTS. The blade was worn and he could feel it about to snap. He didn't want to force it and end up with an extraction on top of a key replacement.

I met him at the plaza. I used my HU100 Lishi to decode the lock from the door side where the wafers were still clean, then cut a fresh blade matched to the original. His smart key, FCC ID , just needed a new blade and a reprogram to sync the transponder. The GM security learn took one cycle and the car started on the first turn.

He was back on the highway in under an hour from when he called. Total was $159. Dealer would have charged $349 plus a tow and a multi-day wait. For these older Cadillac platforms, a worn blade is one of the simplest jobs I run.

Save vs the Dealer on Your Cadillac CTS Key

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

Get Pricing (619) 876-1271 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: Bonita · Downtown Chula Vista · Eastlake · Millenia

Cadillac CTS Rapid Response, Done Right

Rapid response in the field

2003 Cadillac CTS Transponder Key
2003 Cadillac CTS
Transponder Key | Done in Minutes
Estimated arrival time to Chula Vista
Fast Dispatch
Rapid Arrival
Available Today
Service location Chula Vista
Chula Vista
Rapid Service Zone
619 Area
Same-Day Keys (619) 876-1271

Real Cadillac Speed, Real Reviews

Fast work, lasting impressions

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
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

What if I need a Cadillac key after hours or on the weekend?
Most Cadillac dealer service departments close by 5 PM and have limited or no weekend hours. If you lose your key on a Saturday evening or any time after hours, you are stuck until Monday unless you call a mobile locksmith. Cadillac roadside assistance is listed as 24/7, but one of their own roadside techs warned that the third-party contractor Urgently is "a disaster" with longer wait times and unreliable dispatches. Even when roadside does show, they can unlock a door but they cannot make you a new key. We work outside of normal dealer hours so you are not left waiting days for a key.
How long does programming take once you are at my car?
Can you make a key faster than the dealer?
How many buttons does the 2003 Cadillac CTS key have?
What if I am stranded and need help right now?
Questions? Call (619) 876-1271

Cadillac CTS Key Service Areas

Same-day service, every location

📍San Diego County
San Diego County service area map
619 LOCAL LOCKSMITH
need a key? 🔑
San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado

Same-day service available in all listed cities

Get Help Now (619) 876-1271
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Cadillac CTS Key, No Waiting

Quick response, quick service, quick results. Your key is our only priority when we arrive.

Available 6AM - 11:30PM | 7 Days a Week
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