VENTURA COUNTY
6AM - 11:30PM • MOBILE SERVICE •
Call or Text (805) 790-8162
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Fast Response Locksmith

2021 Mazda CX-3
Key Replacement - Save vs Dealer in Ventura County

Fast Arrival | Fast Results

Available
2021 Mazda CX-3 Smart Key
Smart Key

Need your key replaced today? We offer same-day mobile service with an average arrival time of 20-30 minutes. Most keys are cut and programmed in under 45 minutes.

CA BSIS LICENSE LCO#6792
Quick Dispatch Same-Day Finish No Appt Needed
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
2021 Mazda CX-3 lost key replacement options from EZ Car Keyz Oxnard CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
2021 Mazda CX-3 lost key replacement options from EZ Car Keyz Oxnard CA
Key specialists
15-25 Min Arrival
Our mobile unit is dispatched immediately
Fixed pricing
No Appointment Needed
Walk-up service available 7 days a week
Fast mobile service
Quick Turnaround
Most keys completed in under 45 minutes on-site
805 Special
10% OFFCODE:EZ-805-2026

🔥 No wait, no delay, plus savings 🔥

Discount applied on the spot today
REDEEM (805) 790-8162

2021 Mazda CX-3
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Mazda key typeMost Popular
2021 Mazda CX-3 Smart Key WAZSKE11D01
FCC IDWAZSKE11D01Part #BCYA-67-5DYButtons4BatteryCR2025Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Push To Start
2021 Mazda CX-3 Smart Key WAZSKE11D01
FCC IDWAZSKE11D01Part #BCYN-67-5DYButtons3BatteryCR2025Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Push To Start
2021 Mazda CX-3 Smart Key WAZSKE13D03
FCC IDWAZSKE13D03Part #TAYA-67-5DYButtons3BatteryCR2025Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
2021 Mazda CX-3 replacement key fob with no original from EZ Car Keyz Oxnard CA
Skip the Dealer Markup
Professional key, honest rate
2021 Mazda CX-3 replacement key fob with no original from EZ Car Keyz Oxnard CA
🔧 PRO TIP
The 2021 CX-3 smart key runs on a CR2025. That's a thinner coin cell than a lot of people expect, and the wrong size gets swapped in by mistake more often than you'd think. Before you assume the fob is dead or the immobilizer is acting up, check that the battery seated correctly and that you actually have a CR2025, not a CR2032 sitting slightly proud of the contacts. Also worth knowing: if the battery does die completely, hold the fob flat against the start button housing and push. There's a short-range reader built into the button area that can detect the fob at close range even with no battery power. It won't always work from your pocket. Press the fob directly to the button, then push. Buys you enough to get the car started and get somewhere.
Related services: Ignition Repair · Smart Key

Minutes vs Days

Quick comparison: us vs their wait time

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
Done in minutes, not days
Book Service (805) 790-8162

2021 Mazda CX-3 Smart Key Replacement - Fast, Affordable & Professional

Via Marina in Oxnard on a Saturday night is a pretty quiet stretch, so a business consultant parked outside his airport hotel stood out a little. He'd driven in from out of town, checked in, and somewhere between the parking lot and the lobby his only smart fob went missing. He retraced the route twice. Nothing. Hotel desk told him Mazda smart keys were dealer-only and he'd be waiting until Monday morning at the earliest.

He called me around 8 p.m.

The 2021 CX-3 all-keys-lost job isn't one you rush. The vehicle's security system has a timed sequence built into the registration process, old key data has to be cleared before anything new gets written, and the job calls for two fobs to be programmed in the same session. You can't just pop one in and call it done. I brought two fobs out to the hotel lot, connected through the OBD port, cleared the existing key memory, and walked through the full registration sequence for both. The timed security wait is the part that makes it feel slow, but it's not something you skip.

Both fobs came up clean. Push-to-start worked. Lock, unlock, and the other buttons tested out on both. He had a working car again before 10 p.m.

He mentioned the dealer quote he'd gotten over the phone while waiting for me. It was a lot. Multi-day wait on top of it. I didn't spend much time on that part of the conversation because honestly the job was the interesting piece, not the comparison.

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 (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: Blackstock · Carriage Square · Channel Islands Harbor · College Estates

Mazda CX-3 Rapid Response, Done Right

Rapid response in the field

Lost 2021 Mazda CX-3 key replacement by EZ Car Keyz in Oxnard CA
Smart Key | Rapid On-Site Service
2021 Mazda CX-3 | Ventura County
Lost 2021 Mazda CX-3 key replacement by EZ Car Keyz in Oxnard CA
2021 Mazda CX-3 Smart Key
2021 Mazda CX-3
Smart Key | Done in Minutes
Estimated arrival time to Oxnard
Fast Dispatch
Rapid Arrival
Available Today
Service location Oxnard
Oxnard
Rapid Service Zone
805 Area
Same-Day Keys (805) 790-8162

Quick, Professional, and Reviewed

Customers back on the road same day

E
Esteban S.
Dec 2025
★★★★★

“My Chevy key snapped while I was running errands in North Oxnard. He removed the broken piece from the ignition, cut a new blade, programmed the transponder, and tested everything thoroughly. The whole job was smooth and professional. Best automotive locksmith I have used.”

Google Review
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
Watch real savings, real jobs62KFollowers
Customer review after losing 2021 Mazda CX-3 key - EZ Car Keyz Oxnard CA
“Real savings, real reviews.”
Customer review after losing 2021 Mazda CX-3 key - EZ Car Keyz Oxnard CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Mazda CX-3 Mobile Service FAQ

Real costs, no dealer surprises

How much does a 2021 Mazda CX-3 key replacement cost?
Call us for the exact number, but what I can tell you is it's a fraction of what the dealer wants. Mazda dealers break smart key replacement into multiple line items: the fob itself, a programming labor charge, a diagnostic or initialization charge, and sometimes a separate charge for cutting the emergency insert blade. By the time you add those up, the total climbs fast, and that's before you factor in that most dealers need the car dropped off and can't do it same-day. With EZ Car Keyz you get one price on the phone, and that covers the fob, the cut, programming, and the mobile trip to your location in Oxnard. No separate line items, no surprises when the invoice comes out.
Is a mobile locksmith actually cheaper than going to the Mazda dealer for a smart key?
Does your price include cutting and programming, or are those separate?
My 2021 CX-3 says it can't detect the key even though the fob is right there. Is the fob bad?
I bought a replacement fob online for my 2021 CX-3. Can I program it myself?
Questions? Call (805) 790-8162

Mazda CX-3 Key Service Areas

Fast dispatch to your city

📍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 2021 Mazda CX-3 locksmith service area in Ventura County CA
Emergency 2021 Mazda CX-3 locksmith service area in Ventura County CA
Stranded in Ventura County? We respond fast

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

SOS Call (805) 790-8162
Filmed on Location
Mazda CX-3 car key replacement video
113K+ Chose EZ Car Keyz

Your Mazda CX-3 Key, Done Today

The dealer takes days. We take minutes. Call now and have your key before the day is over.

Lost your 2021 Mazda CX-3 key? Call EZ Car Keyz Oxnard CA now
Need a key?
Available 6AM - 11:30PM | 7 Days a Week
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Car Key
Ventura County