VENTURA COUNTY
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Fast Response Locksmith

2018 Cadillac ATS
Key Replacement - Save vs Dealer in Ventura County

Stranded? | We Come to You Now

Available
2018 Cadillac ATS Smart Key
Smart Key

All keys lost is our specialty. While the dealer would require a tow and days of waiting, we arrive at your location and have a new key cut and programmed on the spot.

CA BSIS LICENSE LCO#6792
Stolen Key? Covered No Key Required Same-Day Fix
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
Key specialists
All Keys Lost?
We make new keys from scratch - no existing key needed
Fixed pricing
No Tow Required
We come to wherever the car is sitting
Fast mobile service
Emergency Service
Available 7 days a week, 6 AM to 11:30 PM
805 Special
10% OFFCODE:EZ-805-2026

🔥 No key, no stress, plus savings 🔥

Lost your only key? Still valid
REDEEM (805) 790-8162

2018 Cadillac ATS
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Cadillac key typeMost Popular
2018 Cadillac ATS Smart Key HYQ2AB
FCC IDHYQ2ABPart #13580811Buttons5BatteryCR2032Frequency315 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Push To Start
2018 Cadillac ATS Smart Key HYQ2EB
FCC IDHYQ2EBPart #13598538Buttons5BatteryCR2032Frequency433 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Push To Start
2018 Cadillac ATS Smart Key HYQ2AB
FCC IDHYQ2ABPart #13510253Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Smart Key
2018 Cadillac ATS Smart Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
🔧 PRO TIP
The 2018 ATS uses the factory FCC ID 5-button smart key on a CR2032. One thing that trips people up: the fob has a built-in emergency blade for the door lock cylinder, and that blade still needs to be cut to the car. A replacement fob that wasn't cut will get you in the door manually but won't do anything else useful. Also, GM's smart key system on this generation stores fob IDs in the body control module, so adding a key or replacing a lost one requires a diagnostic tool connected to the OBD port. There is no button sequence or ignition cycling trick that enrolls a new smart key on this vehicle. Up to eight fobs can be stored, and any programming session rewrites that list, so bring all your fobs when you call.
Related services: Ignition Repair · Smart Key

Locked Out? Compare the Solutions

All keys lost - two very different solutions

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
All keys lost is no problem for us
Book Service (805) 790-8162

2018 Cadillac ATS Smart Key Replacement - Fast, Affordable & Professional

I was parked near the Las Positas corridor in Santa Barbara on a Tuesday, finishing up a different job, when a message came in about a 2018 ATS. The owner had been using a backup fob for a few weeks after her primary one stopped being detected at the door handles. Then the backup started doing the same thing. She figured both fobs were dying at once and assumed she needed two new keys.

She had already called the dealer. They told her to bring the car in, quoted her a wait time measured in days, and said they'd diagnose it first before committing to anything. That last part is the one that gets people. You go in for a key and come out with a diagnostic charge before anyone touches a fob.

I pulled up to her in a surface lot off Las Positas and started with the basics. Both fobs had the original batteries. One of them, the backup she'd been using, had a CR2032 that was reading low on a meter. That alone can make the body control module inconsistent about detecting the key, especially at the door handle versus inside the car. Swapped the battery, reseated it clean, and her backup fob came back to life.

The primary fob was a different story. The battery was fine, but after checking range and button response it was clear the fob itself had an internal issue. I programmed a new the factory FCC ID to her vehicle right there, cut the emergency blade to match her door cylinder, and ran through every function: door handles, lock, unlock, and the remaining buttons. Then I re-registered the working backup fob in the same session so both were active and she left with two keys again.

The whole thing was done before she had to be anywhere. She mentioned the dealer estimate as an afterthought. She'd paid a fraction of what they were going to charge, and she didn't lose her car for three days to find that out.

Save vs the Dealer on Your Cadillac ATS 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: Downtown Santa Barbara · Eastside · Funk Zone · Hope Ranch

Cadillac ATS Rapid Response, Done Right

Rapid response in the field

2018 Cadillac ATS Smart Key
2018 Cadillac ATS
Smart Key | Rescue Key
Estimated arrival time to Santa Barbara
Priority ETA
Rapid Arrival
Available Today
Service location Santa Barbara
Santa Barbara
Help Is Close
805 Area
Same-Day Keys (805) 790-8162

Five Stars From Rescued Cadillac Drivers

Reviews from customers we rescued

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
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
Watch real savings, real jobs62KFollowers
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Cadillac ATS Mobile Service FAQ

Real costs, no dealer surprises

Do I need to bring my 2018 Cadillac ATS somewhere for key replacement?
No. I come to wherever the car is. Driveway, office parking lot, anywhere in Santa Barbara including the Las Positas area. Everything I need travels with me: the fob, the cutting equipment, and the programming tool that talks to your vehicle. Dealers want you to drive in with a working key or tow the car if you have no working key at all. That tow is on you, and then the car sits in their queue until a tech gets to it. I show up at a time that works for you, work next to the car, and hand you a tested key before I leave.
How does mobile key replacement work for the 2018 ATS?
What do I need to have ready when you arrive?
My ATS shows a key warning on the dash but the car still started. What is actually happening?
I bought a replacement the factory FCC ID fob online. Can I just program it myself?
Questions? Call (805) 790-8162

Cadillac ATS Key Service Areas

Emergency dispatch to your location

📍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

Emergency service available in all listed cities

SOS Call (805) 790-8162
Filmed on Location
Cadillac ATS car key replacement video
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Stranded Without a Cadillac ATS Key?

Emergency all-keys-lost service available 7 days a week. We bring everything to your location.

Available 6AM - 11:30PM | 7 Days a Week
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Car Key
Ventura County