VENTURA COUNTY
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Fast Response Locksmith

2016 Cadillac ATS
Key Replacement - Save vs Dealer in Ventura County

Home or Office | We Handle It There

Available
2016 Cadillac ATS Smart Key
Smart Key

Our fully-equipped mobile unit comes directly to your home, office, or wherever you are. No towing, no waiting rooms, no rearranging your day. We handle everything on-site.

CA BSIS LICENSE LCO#6792
Your Car, Your Spot No Driving Needed Fully Mobile
Fast Response15-25
min arrival
1,000+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
805 Special
10% OFFCODE:EZ-805-2026

🔥 Mobile service plus 10% off 🔥

Redeem when we arrive at your location
REDEEM (805) 790-8162

2016 Cadillac ATS
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Cadillac key typeMost Popular
2016 Cadillac ATS Smart Key HYQ2AB
FCC IDHYQ2ABPart #13580811Buttons5BatteryCR2032Frequency315 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Push To Start
2016 Cadillac ATS Smart Key HYQ2EB
FCC IDHYQ2EBPart #13598538Buttons5BatteryCR2032Frequency433 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Push To Start
2016 Cadillac ATS Smart Key HYQ2AB
FCC IDHYQ2ABPart #13510253Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Smart Key
2016 Cadillac ATS Smart Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
🔧 PRO TIP
The 2016 ATS smart key uses a CR2032, which is a good sign because those hold a charge longer than the smaller cells in older GM fobs. But here is the thing most owners miss: the fob shell on these takes some abuse. The chrome trim ring cracks, the rubber button pad separates from the housing, and the emergency blade pivot loosens up over time. None of that means the electronics inside are dead. Before assuming you need a whole new programmed fob, check whether the circuit board and transponder are still doing their job. A shell swap moves the working guts into a fresh housing without touching the programming at all. Also worth knowing: adding a new smart key to the 2016 ATS requires professional diagnostic equipment. There is no onboard button sequence or ignition-turn trick on this system. If your second key is already gone, do not wait until you are locked out.
Related services: Ignition Repair · Smart Key

Your Driveway vs Their Lobby

Skip the trip, skip the wait

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
Your driveway beats their waiting room
Book Service (805) 790-8162

2016 Cadillac ATS Smart Key Replacement - Fast, Affordable & Professional

She lives up in Mission Canyon, one of those driveways that dead-ends into a hillside, and she had been putting off the key situation for longer than she wanted to admit.

The fob still worked. Mostly. The lock and unlock buttons were getting flaky because the rubber pad had started peeling away from the face of the housing, so the buttons needed a firm press instead of a normal one. The chrome ring around the edge had cracked in two places and left a sharp corner that was catching on the fabric of her bag every time she reached in. The emergency blade pivot had gotten sloppy enough that the blade would half-eject on its own in her pocket. She described it as "embarrassing for a Cadillac."

She had already been to the dealer. They quoted her a number that assumed she needed a complete replacement fob, programmed and ready to go. What she actually needed was a shell, fresh button pad, and a properly fitted emergency blade, because the circuit board inside was reading fine and the car had no complaints about the key.

I met her in the driveway with replacement fob shells. The factory FCC ID on her fob matched exactly what I was expecting for this car. I popped the old housing, moved the board and the transponder over to the fresh shell, seated the button pad, fitted the blade correctly so it locked in place, and dropped in a new CR2032 while everything was open. Tested every button walking the car, checked the door handles, confirmed the start button was happy.

The dealer quote assumed the worst. The actual job was a shell swap and took about twenty minutes. She saved a good chunk, and the fob felt like new again.

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

2016 Cadillac ATS Smart Key
2016 Cadillac ATS
Smart Key | Made at Your Door
Estimated arrival time to Santa Barbara
We Come to You
Rapid Arrival
Available Today
Service location Santa Barbara
Santa Barbara
We Come Here
805 Area
Same-Day Keys (805) 790-8162

Mobile Service, Five-Star Results

Mobile service, five-star feedback

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 1,000 five-star Google reviews
Best Price (805) 790-8162

Cadillac ATS Mobile Service FAQ

Real costs, no dealer surprises

I am locked out near Mission Canyon with no spare. Can you come to me?
Yes, and that is the whole point of a mobile service. I come to your driveway, your street, wherever the ATS is sitting. You do not need a tow, you do not need to wait on hold with roadside assistance, and you do not need to figure out how to get a car with no working key to a dealership across town. I carry the blanks and the equipment to handle the 2016 ATS on site. Give me a call and I will give you a real arrival window.
The dealer told me I have to tow my ATS in for a key replacement. Is that true?
What do I need to show to prove I own the vehicle?
My 2016 ATS shows a key warning on the dash but the fob battery is fresh. What is going on?
I bought a replacement fob online for my 2016 ATS. Can I program it myself?
Questions? Call (805) 790-8162

Cadillac ATS Key Service Areas

Every city, same mobile service

📍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

We come to your exact location in any of these cities

SOS Call (805) 790-8162
Filmed on Location
Cadillac ATS car key replacement video
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Cadillac ATS Key Without Leaving Home

One call, one visit, done. No back-and-forth with the dealer, no second trips for parts.

Unbeatable 2016 Cadillac ATS key price from EZ Car Keyz Santa Barbara CA
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Car Key
Ventura County