2017 Cadillac ATS
Key Replacement - Save vs Dealer in San Diego

Q: Do I need to tow my ATS to the dealer for a replacement key?

Not if you call us. Dealers will often tell you to bring the vehicle in, and if you have no working key at all, they'll say it has to be towed. That tow bill adds up before the dealer even looks at the car, and then you're waiting on parts and scheduling. We come to you in San Ysidro, handle the blade cut and fob programming at your location, and you're back in the car the same visit.

Q: What do I need to show to prove I own the vehicle?

A valid photo ID and proof of ownership, either your registration or your title. I verify the VIN off the dashboard plate or the door jamb sticker on your ATS before cutting anything. Same standard a dealer holds you to, and for good reason. Having that paperwork ready before I arrive keeps the job moving without delays.

Q: My 2017 ATS shows a key warning on the dash but the car still starts. What's going on?

This comes up pretty regularly on the ATS. A few different things can cause it. First suspect is the fob battery. The CR2032 in this fob can drop low enough to trigger a dashboard warning before the fob stops working entirely. The car may still start because it's reading the fob at close range, but the system is flagging that the signal is weak. Swap the battery and see if the warning clears.

Q: I bought a replacement fob online for my 2017 ATS. Can I program it myself or do I need a tech?

You need a tech. The 2017 ATS smart key has to be registered to the vehicle's immobilizer using diagnostic equipment connected to the OBD port. There is no ignition-cycle sequence, no button combo, no DIY path on this system. The fob you bought online is just a blank until it's paired to your specific car. Bring the uncut blank to me and I can cut the emergency blade to your vehicle and program the fob on site.

At Your Door | Home, Work, or Roadside

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Smart Key

Skip the trip to the dealer. Our mobile locksmith brings professional-grade equipment right to your door anywhere in the area. Your new key is cut and programmed while you wait.

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Mobile Service No Dealer Trip At Your Location

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min arrival

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2017 Cadillac ATS key fob price quote from EZ Car Keyz San Ysidro CA

Mobile Service

Our van carries everything - no shop visit needed

On Your Schedule

Same-day appointments, 7 days a week

One-Visit Solution

Key cut and programmed in a single visit

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2017 Cadillac ATS
Key Options

Dealer-grade key for a fair, honest price

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Skip the Dealer Trip

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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

EZ Car Keyz wins 5 out of 6

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2017 Cadillac ATS Smart Key Replacement - Fast, Affordable & Professional

A condo resident near the Border Area called me on a Tuesday afternoon. He had one working smart key for his 2017 Cadillac ATS and wanted a spare cut and programmed before that single fob became a problem. Smart move. He'd already called the dealer and gotten a quote that made him pause, so he looked for another option.

I pulled up to his building and got started at the vehicle. The ATS uses a passive entry setup, so the first thing I did was decode the door lock mechanically so I could cut a matching blade for the new fob's emergency insert. That part matters more than people realize. If the fob battery ever fully dies or the electronics act up, that blade is what gets you into the car and gets the ignition turning.

Once the blade was cut and fit-tested, I connected to the OBD port and registered the new fob through the immobilizer. The process has a timed component built into the GM security system, so you can't just rush through it. Total time on-site was right around 40 minutes.

He tested the passive door unlock walking up to the car, ran all five buttons, verified the emergency blade in the door lock, and we were done. He saved a good chunk versus what the dealer quoted him, and he never left the building.

Save vs the Dealer on Your Cadillac ATS Key

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

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LCO#6792

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Also serving: Beyer Blvd Corridor · Border Area · Las Americas Area · San Ysidro Village

Cadillac ATS Rapid Response, Done Right

Rapid response in the field

2017 Cadillac ATS

Smart Key | Made at Your Door

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San Ysidro

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619 Area

Same-Day Keys (619) 876-1271

What Mobile Service Feels Like

Reviews from customers who stayed home

Y

Yvens J.

Dec 2025

★★★★★

“Thé Man Marco thé locksmith Guy did a good job thanks you for good service vert nice dude.”

Google Review

D

Devon S.

Oct 2026

★★★★★

“Came fast best customer service in San Diego, made a key for my Toyota Camry it was nice easy and my day turned around for the better. Thanks Marco”

Google Review

L

Luis G.

Aug 2026

★★★★★

“My key got wet at the beach and my Toyota tacoma wasn’t recognizing the key so i called marco with ez car keyz he was able to come within 25 minutes and make a replacement smart key for my truck. Very nice dude and he made a perfect key. Highly recommended”

Google Review

Dealer vs locksmith review for 2017 Cadillac ATS key - EZ Car Keyz San Ysidro CA

★ 5.0 out of 5 - Based on Over 200 five-star Google reviews

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Cadillac ATS Mobile Service FAQ

Real costs, no dealer surprises

I'm locked out with no spare key. Can you come to me in San Ysidro?▼

Yes. Call us and we come directly to you in the Border Area. We carry the blanks, the blade-cutting equipment, and the GM-compatible programming tools to handle the 2017 ATS on site. You don't need a tow, you don't need to wait on hold with roadside assistance, and you don't need to drop the car somewhere and wait days. We give you a real arrival window and we show up to your location.