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2012 Nissan Maxima
Key Replacement - Save vs Dealer in Ventura County

Same-Day Keys | Save 40-60% vs Dealer

Available
2012 Nissan Maxima Smart Key
Smart Key

Dealerships charge a premium because they can. We don't. Same key, same programming, same quality - just without the markup. Call for an honest quote with no hidden fees.

CA BSIS LICENSE LCO#6792
Save 40-60% vs Dealer OEM Quality Parts No Hidden Fees
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
Certified 2012 Nissan Maxima key replacement info from EZ Car Keyz Ventura CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
Certified 2012 Nissan Maxima key replacement info from EZ Car Keyz Ventura CA
Key specialists
Save 40-60%
Same OEM-quality key, fraction of the dealer price
Fixed pricing
Fixed Pricing
The quote on the phone is what you pay. Period.
Fast mobile service
Free Mobile Service
No trip fees, no towing costs - service included
805 Special
10% OFFCODE:EZ-805-2026

🔥 Save big on your car key today 🔥

Valid on all key types & programming
REDEEM (805) 790-8162

2012 Nissan Maxima
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Nissan key typeMost Popular
2012 Nissan Maxima Smart Key KR55WK48903
FCC IDKR55WK48903Part #285E3-JA05AButtons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Emergency Key
2012 Nissan Maxima Emergency Key
FCC IDPart #NI06ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
MECHANICAL-KEY
2012 Nissan Maxima MECHANICAL-KEY
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
OEM quality 2012 Nissan Maxima key fob from EZ Car Keyz Ventura CA
Skip the Dealer Markup
Professional key, honest rate
OEM quality 2012 Nissan Maxima key fob from EZ Car Keyz Ventura CA
🔧 PRO TIP
The 2012 Maxima runs Nissan's NATS5 (Nissan Anti-Theft System, fifth generation) with a 46 chip inside the KR55WK48903 fob. These CR2032 batteries drain faster than what you see in Toyota or Honda smart keys. Some owners on MaximaForums report swapping them twice a year. The dash will show "KEY BATTERY LOW" but sometimes late, or not at all. Don't wait for the warning. Swap the CR2032 proactively every six to eight months and save yourself the panic.
Related services: Ignition Repair · Smart Key

Save 40-60% on Your Nissan Maxima Key

See how much you save with EZ Car Keyz vs the dealership

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
Save hundreds without sacrificing quality
Book Service (805) 790-8162

2012 Nissan Maxima Smart Key Replacement - Fast, Affordable & Professional

Over in the Montalvo neighborhood in Ventura, a mom flagged me down at the elementary school parking lot on a Wednesday. She had a 2012 Maxima with push-to-start and one Intelligent Key, the only one she ever had. It went through the washing machine that morning, tucked inside a jacket pocket.

Dead fob. Kid waiting. Next pickup in two hours. She called the Nissan dealer and they told her Friday at the earliest.

I pulled into the lot and parked next to her. Connected my Smart Pro to the OBD-II port under the dash and started the NATS5 Intelligent Key registration sequence. Her car's BCM (body control module, part number 284B1-9DA0E on these A35-series Maximas) picked up the new KR55WK48903 fob cleanly. The whole programming cycle, including the PIN extraction from the immobilizer, took about twenty minutes.

Then the part I never skip: testing every button. Lock, unlock, trunk, panic. Push-button start in Park. Walk-away auto lock. I had her stand ten feet back and tap the door handle to confirm the touch-to-unlock sensor was reading the new fob.

She pulled out of the school lot with a working key, kid buckled in, and made it to the next activity on time. The dealer would have meant a tow, a two-day wait, and a bill that makes you wince. She spent a fraction of that and never left the parking lot.

Save vs the Dealer on Your Nissan Maxima Key

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

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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
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Also serving: Casitas Springs · College · Downtown Ventura · East Ventura

Nissan Maxima Rapid Response, Done Right

Rapid response in the field

Licensed locksmith replacing 2012 Nissan Maxima key in Ventura CA
Smart Key | Rapid On-Site Service
2012 Nissan Maxima | Ventura County
Licensed locksmith replacing 2012 Nissan Maxima key in Ventura CA
2012 Nissan Maxima Smart Key
2012 Nissan Maxima
Smart Key | Programmed for Less
Estimated arrival time to Ventura
Quick & Affordable
Rapid Arrival
Available Today
Service location Ventura
Ventura
Best Rate Here
805 Area
Same-Day Keys (805) 790-8162

Nissan Customers Love Our Prices

Real savings, real reviews

M
Mark F.
Feb 2024
★★★★★

“Needed a spare car key made and chose EZ Car Keyz based on their reviews. The reviews were right. They gave me the best price, responded quickly to all my questions, came to my workplace, cut the keys on site, and finished fast.”

Yelp Review
S
Sonia V.
Feb 2024
★★★★★

“Marco came out quickly, cut and programmed a new BMW key fob fast, and was extremely polite and professional.”

Yelp Review
A
Alan C.
Jan 2025
★★★★★

“My Sprinter van key broke and I was stranded. Marco was very friendly and helped me get three new keys quickly. I will definitely be using them again.”

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5-star review of 2012 Nissan Maxima key service by EZ Car Keyz Ventura CA
“Real savings, real reviews.”
5-star review of 2012 Nissan Maxima key service by EZ Car Keyz Ventura CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Nissan Maxima Mobile Service FAQ

Real costs, no dealer surprises

How long does a 2012 Nissan Maxima smart key replacement take on site?
From the time I pull up, about 20 to 35 minutes. The NATS5 system on the A35 Maxima requires a PIN extraction from the BCM before a new fob can register, and there's a short timed countdown built into that process. After programming, I test every function: lock, unlock, trunk release, panic, push-button start, and the passive entry sensors on both front door handles. Nissan dealers book these as one- to two-hour appointment windows, plus the wait to get on the schedule. The actual tech work is the same 20 minutes either way.
How fast can you get to my location in Ventura?
Can I get a replacement Maxima smart key made the same day I call?
My Maxima says "NO KEY DETECTED" but the fob is right here. What's going on?
I bought a KR55WK48903 fob online. Can I program it myself?
Questions? Call (805) 790-8162

Nissan Maxima Key Service Areas

Affordable mobile service across the region

📍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
Licensed 2012 Nissan Maxima locksmith service area in Ventura County CA
Licensed 2012 Nissan Maxima locksmith service area in Ventura County CA
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Trusted 2012 Nissan Maxima locksmith service by EZ Car Keyz Ventura CA
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