VENTURA COUNTY
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Fast Response Locksmith

2017 Mazda CX-3
Key Replacement - Save vs Dealer in Ventura County

Today, Not Thursday | Same-Day Service

Available
2017 Mazda CX-3 Smart Key
Smart Key

Don't wait 3-5 business days at the dealership. EZ Car Keyz gets you back on the road fast. We arrive quickly and have your new key working before your coffee gets cold.

CA BSIS LICENSE LCO#6792
Express Service Fast Programming Back on Road Fast
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
2017 Mazda CX-3 all keys lost solutions from EZ Car Keyz Oxnard CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
2017 Mazda CX-3 all keys lost solutions from EZ Car Keyz Oxnard CA
Key specialists
Fast Response
Average arrival time: 15-25 minutes
Fixed pricing
Same-Day Service
Call now, get your key today - no waiting days
Fast mobile service
Done in Under 1 Hour
Key cut and programmed in 20-45 minutes
805 Special
10% OFFCODE:EZ-805-2026

🔥 Rapid key service, 10% off 🔥

Instant savings on same-day service
REDEEM (805) 790-8162

2017 Mazda CX-3
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Mazda key typeMost Popular
2017 Mazda CX-3 Smart Key WAZSKE13D01
FCC IDWAZSKE13D01Part #KDY3-67-5DYButtons3BatteryCR2025Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Push To Start
2017 Mazda CX-3 Smart Key WAZSKE13D02
FCC IDWAZSKE13D02Part #KD33-67-5DYButtons3BatteryCR2025Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Key
2017 Mazda CX-3 Key WAZSKE13D02
FCC IDWAZSKE13D02Part #KDY3-67-5DYButtons3BatteryCR2025Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Smart Key
2017 Mazda CX-3 Smart Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Metal Key
2017 Mazda CX-3 Metal Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
New 2017 Mazda CX-3 key fob when all keys lost from EZ Car Keyz Oxnard CA
Skip the Dealer Markup
Professional key, honest rate
New 2017 Mazda CX-3 key fob when all keys lost from EZ Car Keyz Oxnard CA
🔧 PRO TIP
The 2017 CX-3 smart key runs a CR2025 cell, not the CR2032 that gets swapped in by mistake because it physically fits. The thicker CR2032 can seat wrong and cause intermittent read failures that look like a programming problem or a dying fob. Owners on forums chase phantom issues for weeks before someone points at the battery. The fob has three buttons, and the factory ID is printed on the back label. If you're sourcing an aftermarket shell or a replacement fob, match that label exactly before buying anything. The immobilizer on these Mazdas does a rolling authentication, so a fob that's been sitting unpaired for a long time needs a full registration cycle, not just a battery swap.
Related services: Ignition Repair · Smart Key

Quick Service vs Long Wait

Done today vs done next week

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
Same-day service vs dealer wait times
Book Service (805) 790-8162

2017 Mazda CX-3 Smart Key Replacement - Fast, Affordable & Professional

I got a call from a driver parked on a frontage road near Rose Park in Oxnard. He was running rides between shifts and his 2017 CX-3 fob had gone completely dead on him. Not weak, not intermittent. Dead. The car was showing a key-not-detected warning every time he walked up to it, and he'd already swapped what he thought was a fresh battery.

When I got there, he handed me the fob. The battery inside was a CR2032. Someone had told him it was the same thing, close enough. It isn't. The CR2025 is thinner, and when you drop a CR2032 in, the contact plate flexes just enough that the connection is unreliable. Sometimes it works. Sometimes the car treats it like an empty fob.

I seated a correct CR2025, snapped the fob back together, and walked the door handles. Touch unlock came back on the driver side. The dash stopped complaining. The whole thing took about four minutes.

He'd been two hours into troubleshooting a problem that started with the wrong battery in the wrong slot.

I don't always need a programmer on the first call. Sometimes the job is just knowing what size cell goes in which fob.

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

2017 Mazda CX-3 key made with no spare by EZ Car Keyz Oxnard CA
Smart Key | Rapid On-Site Service
2017 Mazda CX-3 | Ventura County
2017 Mazda CX-3 key made with no spare by EZ Car Keyz Oxnard CA
2017 Mazda CX-3 Smart Key
2017 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

Real Mazda Speed, Real Reviews

Fast work, lasting impressions

T
T Klein
May 2020
★★★★★

“I needed a second key made for my 2012 Nissan Altima. They arrived quickly, finished in about 15 minutes, and gave me the best price I could find.”

Google Review
W
Winter K.
Dec 2025
★★★★★

“I lost my key and called EZ Car Keyz. Marco was great. He arrived quickly, explained everything clearly, and kept me informed throughout the entire process. The service was fast, professional, and fairly priced.”

Google Review
C
Christopher H.
Sep 2025
★★★★★

“He arrived within 30 minutes and had everything finished in another 30 minutes for two cars. Everything was programmed and tested perfectly. Cheapest price in town and very honest service.”

Google Review
Watch real savings, real jobs62KFollowers
Emergency 2017 Mazda CX-3 key replacement review - EZ Car Keyz Oxnard CA
“Real savings, real reviews.”
Emergency 2017 Mazda CX-3 key replacement review - 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

Why is Mazda smart key replacement so expensive?
A few reasons stack up. The fob itself has a transponder chip that has to be cryptographically paired to your specific vehicle. It's not a clone job where someone copies data from an existing key. The immobilizer system on these Mazdas uses a challenge-response authentication, which means the pairing has to happen through the OBD port with professional diagnostic equipment. Mazda's own dealer network also uses a proprietary authorization layer for key registration that adds time and licensing cost to the job. Dealers pass all of that overhead to you. A locksmith with the right tooling runs the same registration process and charges a fraction of what the dealer quoted. The technology cost is real. The markup on top of it doesn't have to be.
What exactly is a smart key and how does it work on a 2017 CX-3?
How does your pricing compare to the dealer for a 2017 CX-3 smart key?
I bought a replacement fob online. Can I just bring it to you to program?
My CX-3 starts fine but the door handles stopped detecting the fob. Is the key going bad?
Questions? Call (805) 790-8162

Mazda CX-3 Key Service Areas

Same-day service, every 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
Lost 2017 Mazda CX-3 key service coverage in Ventura County CA
Lost 2017 Mazda CX-3 key service coverage in Ventura County CA
Stranded in Ventura County? We respond fast

Same-day service available in all listed cities

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

Mazda CX-3 Key, No Waiting

Quick response, quick service, quick results. Your key is our only priority when we arrive.

All 2017 Mazda CX-3 keys lost? Call EZ Car Keyz Oxnard CA
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Ventura County