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Fast Response Locksmith

2003 Nissan Maxima
Key Replacement - Save vs Dealer in San Diego

No Spare Needed | We Make Keys On-Site

Available
2003 Nissan Maxima Transponder Key
Transponder Key

Lost all your keys? Don't panic, and don't call a tow truck. Our mobile locksmith comes to your vehicle and creates a brand new key from scratch, even with zero working keys.

CA BSIS LICENSE LCO#6792
Zero Keys OK No Towing Made From Scratch
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
2003 Nissan Maxima lost key replacement options from EZ Car Keyz Coronado CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • San Diego, CA
15+
Yrs Exp
2003 Nissan Maxima lost key replacement options from EZ Car Keyz Coronado CA
Key specialists
All Keys Lost?
We make new keys from scratch - no existing key needed
Fixed pricing
No Tow Required
We come to wherever the car is sitting
Fast mobile service
Emergency Service
Available 7 days a week, 6 AM to 11:30 PM
619 Special
10% OFFCODE:EZ-619-2026

🔥 Emergency key, plus 10% off 🔥

Applies to all-keys-lost situations
REDEEM (619) 876-1271

2003 Nissan Maxima
Key Options

Dealer-grade key for a fair, honest price

Transponder Key
Most popular Nissan key typeMost Popular
2003 Nissan Maxima Transponder Key
FCC IDPart #K-NI02TButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
MECHANICAL-KEY
2003 Nissan Maxima MECHANICAL-KEY
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
2003 Nissan Maxima replacement key fob with no original from EZ Car Keyz Coronado CA
Skip the Dealer Markup
Professional key, honest rate
2003 Nissan Maxima replacement key fob with no original from EZ Car Keyz Coronado CA
Related services: Ignition Repair · Smart Key

No Nissan Key? See Your Best Option

No key? See which option gets you driving faster

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
Lost all your keys? No tow truck needed
Book Service (619) 876-1271

2003 Nissan Maxima Transponder Key Replacement - Fast, Affordable & Professional

Push-to-start all-keys-lost is the job that scares most Nissan owners the most. No physical key slot visible, no way to turn an ignition. The car needs to wirelessly detect a fob programmed to its specific immobilizer before it will even wake up. If that fob is gone, the car feels bricked, but it isn't.

A family at a national forest campground outside Coronado had a 2003 Nissan Maxima with push-to-start and zero keys. They were an hour from town with no cell service until they hiked to the ranger station. They'd been told by multiple people that Intelligent Key all-keys-lost was dealer-only.

I drove out to the campground. Push-to-start AKL is more involved than a standard transponder job because the immobilizer needs to be accessed and old key data cleared before new fobs can learn. I used my ACDP to pull the immobilizer data as a safety backup, then ran the AKL sequence through OBD. His Intelligent Key, FCC ID , was a 3-button proximity fob.

Their car started at a campground with no cell service and no dealer within an hour. Total was around $141. Dealer would have been $324 plus a long-distance tow. Intelligent Key AKL isn't dealer-only. It's tool-dependent.

Save vs the Dealer on Your Nissan Maxima 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: Coronado Cays · Coronado Shores · Coronado Village · Ferry Landing

Nissan Maxima Rapid Response, Done Right

Rapid response in the field

Lost 2003 Nissan Maxima key replacement by EZ Car Keyz in Coronado CA
Transponder Key | Rapid On-Site Service
2003 Nissan Maxima | San Diego
Lost 2003 Nissan Maxima key replacement by EZ Car Keyz in Coronado CA
2003 Nissan Maxima Transponder Key
2003 Nissan Maxima
Transponder Key | Rescue Key
Estimated arrival time to Coronado
Priority ETA
Rapid Arrival
Available Today
Service location Coronado
Coronado
Help Is Close
619 Area
Same-Day Keys (619) 876-1271

Real Emergency, Real Relief

Stranded drivers who found relief

H
Hunter P.
Jul 2025
★★★★★

“I called over 40 locksmiths trying to get a key made for my Audi A6 and nobody could do it. Tim made it easy, fast, and affordable. He showed up with a smile and got the job done without any stress. Absolute wizard with keys.”

Google Review
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
Watch real savings, real jobs62KFollowers
Customer review after losing 2003 Nissan Maxima key - EZ Car Keyz Coronado CA
“Real savings, real reviews.”
Customer review after losing 2003 Nissan Maxima key - EZ Car Keyz Coronado CA
5.0 out of 5 - Based on Over 100 five-star Google reviews
Best Price (619) 876-1271

Nissan Maxima Mobile Service FAQ

Real costs, no dealer surprises

I lost all my Nissan keys. Can you still make a new one?
Yes. All-keys-lost is one of the most common calls we get, and we handle it on site for most Nissan models. The process involves reading the BCM code, generating a PIN through the NATS system, erasing old key data, cutting a new key, and programming everything fresh. Nissan owners who call the dealer for an AKL job are told to tow the vehicle in and can face quotes of $400 to $600 or more. A 2000 Altima owner was quoted $400 to $600 by Nissan, and a Nissan tech told a 2014 Rogue owner their only option was "go to the dealer, pay the fee." We come to you and do the same job at your location for significantly less.
Do I need to tow my car to the dealer if I have no keys?
How long does an all-keys-lost replacement take?
What battery does the 2003 Nissan Maxima key fob use?
Can you make a spare at the same time so I have two keys?
Questions? Call (619) 876-1271

Nissan Maxima Key Service Areas

All-keys-lost service in every city

📍San Diego County
San Diego County service area map
619 LOCAL LOCKSMITH
need a key? 🔑
San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado
Emergency 2003 Nissan Maxima locksmith service area in San Diego County CA
Emergency dispatch throughout San Diego County

Emergency service available in all listed cities

Get Help Now (619) 876-1271
Filmed on Location
Nissan Maxima car key replacement video
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No Nissan Maxima Key? We Start From Scratch

All keys gone? We handle it from scratch. No dealer tow, no week-long wait. Just call.

Lost your 2003 Nissan Maxima key? Call EZ Car Keyz Coronado CA now
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