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Fast Response Locksmith

2018 Mazda CX-3
Key Replacement - Save vs Dealer in San Diego

At Your Door | Home, Work, or Roadside

Available
2018 Mazda CX-3 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
Mobile Service No Dealer Trip At Your Location
Fast Response15-25
min arrival
100+reviews
See why they skip the dealer113KSubscribers
2018 Mazda CX-3 lost key replacement options from EZ Car Keyz Coronado CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • San Diego, CA
15+
Yrs Exp
2018 Mazda CX-3 lost key replacement options from EZ Car Keyz Coronado CA
Key specialists
Mobile Service
Our van carries everything - no shop visit needed
Fixed pricing
On Your Schedule
Same-day appointments, 7 days a week
Fast mobile service
One-Visit Solution
Key cut and programmed in a single visit
619 Special
10% OFFCODE:EZ-619-2026

🔥 We come to you, save even more 🔥

We bring the savings to your location
REDEEM (619) 876-1271

2018 Mazda CX-3
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Mazda key typeMost Popular
2018 Mazda CX-3 Smart Key WAZSKE13D01
FCC IDWAZSKE13D01Part #KDY3-67-5DYButtons3BatteryCR2025Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Push To Start
2018 Mazda CX-3 Smart Key WAZSKE13D02
FCC IDWAZSKE13D02Part #KD33-67-5DYButtons3BatteryCR2025Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Key
2018 Mazda CX-3 Key WAZSKE13D02
FCC IDWAZSKE13D02Part #KDY3-67-5DYButtons3BatteryCR2025Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Smart Key
2018 Mazda CX-3 Smart Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Metal Key
2018 Mazda CX-3 Metal Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
2018 Mazda CX-3 replacement key fob with no original from EZ Car Keyz Coronado CA
Skip the Dealer Markup
Professional key, honest rate
2018 Mazda CX-3 replacement key fob with no original from EZ Car Keyz Coronado CA
🔧 PRO TIP
The 2018 CX-3 smart key runs a CR2025 cell, not the CR2032 that fits a lot of other fobs. Easy to grab the wrong size at the drugstore because they look almost identical. A weak battery on these doesn't always kill the fob outright. What you get instead is intermittent range, the door handle sensor going lazy, or the push-to-start being slow to recognize the fob. The car sees the key but barely. Owners chase that for weeks thinking it's a bigger problem. Swap the CR2025 first, seat it flat against both contacts, and retest before calling anyone.
Related services: Ignition Repair · Smart Key

Skip the Dealer Trip

See why mobile key service beats the dealer trip

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 (619) 876-1271

2018 Mazda CX-3 Smart Key Replacement - Fast, Affordable & Professional

Out at Coronado Shores, the parking situation is already its own puzzle. Underground garages, numbered stalls, residents coming and going. A woman called me from down there after realizing her only fob for her 2018 CX-3 was gone. Not dead. Gone. She'd checked her unit, retraced the whole evening. Nothing.

She didn't have the registration with her. Didn't remember what a VIN was. I told her to shine her phone flashlight through the lower corner of the windshield on the driver's side. She found it. While she was still reading it to me, I was already cross-referencing the key type and pulling the right fob blank before I left.

By the time I pulled into the garage she had her insurance app open and her ID out. We did all-keys-lost right there under the fluorescent lights, registered two new fobs because the Mazda security system expects a minimum of two during that procedure, and tested every function before I packed up. Lock, unlock, the mechanical insert key for the door cylinder, push-to-start. Everything.

She asked me at the end what would have happened if she'd called the dealer. I told her they'd have started with a tow, then a wait, and a number that would have made her sit down. She got it handled the same night, on site, for a fraction of what they wanted. The VIN through the windshield. That's always where we start.

Save vs the Dealer on Your Mazda CX-3 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: The Cays · Coronado Shores · Coronado Village · Ferry Landing

Watch Us Make a 2018 Mazda CX-3 Key

Real job from our YouTube channel (113K+ subscribers)

2018 Mazda CX-3 Key Replacement | New Key Tested and Car Started

Same van, same tech, same process we bring to your Mazda in Coronado.

Mazda CX-3 Rapid Response, Done Right

Rapid response in the field

Lost 2018 Mazda CX-3 key replacement by EZ Car Keyz in Coronado CA
Smart Key | Rapid On-Site Service
2018 Mazda CX-3 | San Diego
Lost 2018 Mazda CX-3 key replacement by EZ Car Keyz in Coronado CA
2018 Mazda CX-3 Smart Key
2018 Mazda CX-3
Smart Key | Made at Your Door
Estimated arrival time to Coronado
We Come to You
Rapid Arrival
Available Today
Service location Coronado
Coronado
We Come Here
619 Area
Same-Day Keys (619) 876-1271

What Mobile Service Feels Like

Reviews from customers who stayed home

G
Gregorio P.
May 2021
★★★★★

“Steve was incredibly helpful when I lost my car keys. He came out the exact same day and I only waited about 30 minutes. I really needed to get to work and he completely saved me.”

Google Review
A
Antoine M.
Dec 2025
★★★★★

“I am very pleased with the value of the service I received from Marco at EZ Car Keyz. They arrived extremely fast, opened my door in no time, and the price was right on point.”

Google Review
E
Ezra M.
Oct 2025
★★★★★

“I needed a new key for my car and Marco gave me the best quote by far. He showed up, made the new key on the spot, and everything works perfectly. Fast service and great value.”

Google Review
Watch real savings, real jobs62KFollowers
Customer review after losing 2018 Mazda CX-3 key - EZ Car Keyz Coronado CA
“Real savings, real reviews.”
Customer review after losing 2018 Mazda CX-3 key - EZ Car Keyz Coronado CA
5.0 out of 5 - Based on Over 100 five-star Google reviews
Best Price (619) 876-1271

Mazda CX-3 Mobile Service FAQ

Real costs, no dealer surprises

Why is Mazda smart key replacement so expensive?
It's not just the physical fob. The 2018 CX-3 smart key carries a programmed transponder chip that has to be enrolled into the vehicle's immobilizer system so the car recognizes it as authorized. That enrollment requires diagnostic equipment communicating through the OBD port, and on newer Mazdas the security system adds another layer: programming access ties into Mazda's own security infrastructure, which means a technician needs the right credentials and tools to generate the authorization. Dealers price that accordingly, and then they add labor on top. The technology itself is real and the cost has some basis. What doesn't have a basis is the markup layer that gets stacked on at the service counter. A qualified mobile locksmith with the right equipment does the same programming job. The fob gets enrolled, the immobilizer accepts it, and you drive home. The process is identical. The price is not.
What exactly is a smart key and how does it work on the 2018 CX-3?
How does the dealer price compare to a mobile locksmith for this key?
I bought a replacement fob online. Can you just program it, or is that a problem?
My CX-3 start button is slow or inconsistent. Is that the fob or the car?
Questions? Call (619) 876-1271

Mazda CX-3 Key Service Areas

Mobile service across the full region

📍San Diego County
San Diego County service area map
619 LOCAL LOCKSMITH
need a key? 🔑
San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado
Emergency 2018 Mazda CX-3 locksmith service area in San Diego County CA
Emergency dispatch throughout San Diego County

Don’t see your city? Call us - we likely cover your area too!

Get Help Now (619) 876-1271
Filmed on Location
Mazda CX-3 car key replacement video
113K+ Chose EZ Car Keyz

Mazda CX-3 Key Made at Your Location

Skip the dealer trip. We bring everything to cut and program your key where you are.

Lost your 2018 Mazda CX-3 key? Call EZ Car Keyz Coronado CA now
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