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2016 Mazda 3
Key Replacement - Save vs Dealer in San Diego

Real Keys | Real Savings

Available
2016 Mazda 3 Smart Key
Smart Key

Why pay $400+ at the dealer when you can get the exact same OEM-spec key for a fraction of the cost? EZ Car Keyz delivers professional key replacement at prices that make sense.

CA BSIS LICENSE LCO#6792
Budget Friendly Pro Equipment Fixed Quote
Fast Response15-25
min arrival
100+reviews
See why they skip the dealer113KSubscribers
2016 Mazda 3 key replacement cost - EZ Car Keyz Rancho Santa Fe CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • San Diego, CA
15+
Yrs Exp
2016 Mazda 3 key replacement cost - EZ Car Keyz Rancho Santa Fe CA
Key specialists
Best Price Guaranteed
Specialized in keys only - no overhead markups
Fixed pricing
No Hidden Fees
Key + cutting + programming all included in one price
Fast mobile service
We Come to You
Mobile service at no extra charge, 15-25 min
619 Special
10% OFFCODE:EZ-619-2026

🔥 Why overpay? Use this code 🔥

Covers all key & remote services
REDEEM (619) 876-1271

2016 Mazda 3
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Mazda key typeMost Popular
2016 Mazda 3 Smart Key WAZSKE13D01
FCC IDWAZSKE13D01Part #GJY9-67-5DYButtons4BatteryCR2025Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Push To Start
2016 Mazda 3 Smart Key WAZSKE13D02
FCC IDWAZSKE13D02Part #GJR9-67-5DYButtons4BatteryCR2025Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Push To Start
2016 Mazda 3 Smart Key WAZSKE13D01
FCC IDWAZSKE13D01Part #KDY3-67-5DYButtons3BatteryCR2025Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Push To Start
2016 Mazda 3 Smart Key WAZSKE13D02
FCC IDWAZSKE13D02Part #KD33-67-5DYButtons3BatteryCR2025Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Key
2016 Mazda 3 Key WAZSKE13D02
FCC IDWAZSKE13D02Part #KDY3-67-5DYButtons3BatteryCR2025Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Smart Key
2016 Mazda 3 Smart Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Metal Key
2016 Mazda 3 Metal Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Budget 2016 Mazda 3 key fob options from EZ Car Keyz Rancho Santa Fe CA
Skip the Dealer Markup
Professional key, honest rate
Budget 2016 Mazda 3 key fob options from EZ Car Keyz Rancho Santa Fe CA
🔧 PRO TIP
The 2016 Mazda 3 smart fob runs a CR2025 battery, not the CR2032 that fits a dozen other fobs. Easy to grab the wrong one at checkout. If the fob range has gotten short or the push-to-start is taking two presses, swap the CR2025 first before assuming the key needs reprogramming. Also worth knowing: there is a mandatory security timer baked into the immobilizer enrollment process on these. It runs whether you like it or not, so a locksmith who quotes you ten minutes flat on a Mazda 3 smart key either has a very fast clock or is not being straight with you.
Related services: Ignition Repair · Smart Key

Mazda 3 OEM Quality Without the Markup

Same quality key, completely different price

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
Why pay dealer markup for the same result?
Book Service (619) 876-1271

2016 Mazda 3 Smart Key Replacement - Fast, Affordable & Professional

I got a call from a guy near The Crosby in Rancho Santa Fe. He had a 2016 Mazda 3, one working fob, and a wife who was done sharing it. He wanted a spare before it became a real problem.

He had already called the Mazda dealer. They quoted him the fob, the cut, programming labor, and a shop fee as four separate line items. He told me the total and asked if I could beat it. I told him I could, and that my number covered everything, one figure, nothing added at the end.

I met him at his place. The programming side on these requires a diagnostic connection at the OBD port, and the Mazda security system runs a timed wait during key enrollment that you simply cannot rush. The car decides when it is ready. I explained that upfront so he was not standing there wondering why I was not moving faster.

Once the timer cleared, the new fob enrolled, I walked every button, checked the engine start, and handed it over.

He said the dealer had told him to plan on dropping the car off for most of the afternoon. We were done during his lunch.

Save vs the Dealer on Your Mazda 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: Fairbanks Ranch · Rancho Santa Fe Village · The Bridges · The Crosby

Mazda 3 Rapid Response, Done Right

Rapid response in the field

Affordable 2016 Mazda 3 key replacement by EZ Car Keyz in Rancho Santa Fe CA
Smart Key | Rapid On-Site Service
2016 Mazda 3 | San Diego
Affordable 2016 Mazda 3 key replacement by EZ Car Keyz in Rancho Santa Fe CA
2016 Mazda 3 Smart Key
2016 Mazda 3
Smart Key | Programmed for Less
Estimated arrival time to Rancho Santa Fe
Quick & Affordable
Rapid Arrival
Available Today
Service location Rancho Santa Fe
Rancho Santa Fe
Best Rate Here
619 Area
Same-Day Keys (619) 876-1271

Savings That Speak for Themselves

Five-star reviews from budget-smart drivers

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
Customer review showing savings on 2016 Mazda 3 key by EZ Car Keyz Rancho Santa Fe CA
“Real savings, real reviews.”
Customer review showing savings on 2016 Mazda 3 key by EZ Car Keyz Rancho Santa Fe CA
5.0 out of 5 - Based on Over 100 five-star Google reviews
Best Price (619) 876-1271

Mazda 3 Mobile Service FAQ

Real costs, no dealer surprises

Do I have to go to the Mazda dealer to get a replacement key for my 2016 Mazda 3?
No. A qualified mobile locksmith with the right diagnostic equipment can program a replacement smart fob for a 2016 Mazda 3 on site. The vehicle does use an immobilizer system that requires a proper tool connection at the OBD port, but that is standard equipment for any locksmith who works on late-model import vehicles. You do not need to drive to a dealer, leave the car, or wait for a parts order if the locksmith carries the correct fob. Some dealers quietly subcontract key programming work to mobile locksmiths anyway, so calling one directly just removes the middleman.
What exactly is a smart key and how does it work on the 2016 Mazda 3?
How long does it actually take to get a replacement Mazda 3 smart key from the dealer versus a mobile locksmith?
My 2016 Mazda 3 shows a key warning on the dash and the push-to-start is unresponsive. Is the fob dead or is something else wrong?
I bought a replacement fob online for my 2016 Mazda 3. Can I program it myself at home?
Questions? Call (619) 876-1271

Mazda 3 Key Service Areas

Great rates across the county

📍San Diego County
San Diego County service area map
619 LOCAL LOCKSMITH
need a key? 🔑
San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado
Affordable 2016 Mazda 3 locksmith service area in San Diego County CA
Emergency dispatch throughout San Diego County

Free mobile service to all listed cities - no trip fees

Get Help Now (619) 876-1271
Filmed on Location
Mazda 3 car key replacement video
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Best Price on 2016 Mazda 3 Keys

Honest pricing from a licensed locksmith. No dealer markup, no trip fees, no nonsense.

Best price 2016 Mazda 3 car key replacement by EZ Car Keyz Rancho Santa Fe CA
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