SAN DIEGO
6AM - 11:30PM • MOBILE SERVICE •
Call or Text (619) 876-1271
EZ Car Keyz California bear mascot
Fast Response Locksmith

2012 Nissan Altima
Key Replacement - Save vs Dealer in San Diego

OEM Quality | Fraction of the Dealer Price

Available
2012 Nissan Altima 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
Half the Dealer Price Same Key Quality Transparent Pricing
Fast Response15-25
min arrival
100+reviews
See why they skip the dealer113KSubscribers
2012 Nissan Altima all keys lost solutions from EZ Car Keyz Oceanside CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • San Diego, CA
15+
Yrs Exp
2012 Nissan Altima all keys lost solutions from EZ Car Keyz Oceanside 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

🔥 Best price on car keys, guaranteed 🔥

Covers smart keys, fobs & transponders
REDEEM (619) 876-1271

2012 Nissan Altima
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Nissan key typeMost Popular
2012 Nissan Altima Smart Key KR55WK48903
FCC IDKR55WK48903Part #285E3-JA05AButtons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Emergency Key
2012 Nissan Altima Emergency Key
FCC IDPart #NI06ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Metal Key
2012 Nissan Altima Metal Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
New 2012 Nissan Altima key fob when all keys lost from EZ Car Keyz Oceanside CA
Skip the Dealer Markup
Professional key, honest rate
New 2012 Nissan Altima key fob when all keys lost from EZ Car Keyz Oceanside CA
🔧 PRO TIP
The 2012 Altima Intelligent Key runs on a CR2032, which is common enough that people swap it and assume they're done. But here's the thing owners miss: if the fob has been dead for a while, the car's receiver can lose its handshake with that specific fob even after the battery is fresh. You'll see a key-not-detected warning on the dash even though the battery tests fine. That's not a dead fob, that's a fob that needs to be re-registered to the immobilizer. Second thing worth knowing: the 2012 uses a 4-button Intelligent Key fob. If you're sourcing a replacement shell or a used fob online, confirm the button count and the factory FCC ID printed on the back label match exactly before you buy anything, because the wrong variant won't pair correctly even with the right tools.
Related services: Ignition Repair · Smart Key

Why Pay Dealer Prices for a Nissan Key?

Compare prices and stop overpaying for your key

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 (619) 876-1271

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

I was parked near the car wash vacuum area off to the side of the lot in Fire Mountain when she walked up carrying a grooming apron and a look that said she had already heard too many opinions about her key situation.

She had a 2012 Nissan Altima and one working Intelligent Key fob. The second fob had stopped being recognized a few weeks back, she wasn't sure exactly when, and she had been ignoring it. Then the primary fob started acting up, short range, inconsistent door response, and that morning she got the key-not-detected warning while trying to leave a client's house. She made it home, then called me.

A friend had told her she needed to go to the dealer. The dealer's website implied the same thing. An old forum thread backed it up. None of that is accurate for a 2012.

I checked the battery in the primary fob first. CR2032, original from the look of it, reading low. Swapped it. Range came back immediately, and the door response cleaned up. That part took about two minutes.

The second fob was a different story. Battery was actually fine, but re-registration was needed. I connected to the OBD port, pulled up the immobilizer, and re-enrolled both fobs so the car recognized them properly. Tested every button on both. Tested the start. Tested the door handles. Everything confirmed before I packed up.

She was back to having two working keys, done at the car wash lot, without an appointment, without a tow, and for a fraction of what the dealer had quoted just for the programming visit.

The car doesn't know whether it was done at a dealership or a parking lot. The security handshake is the same either way.

Save vs the Dealer on Your Nissan Altima 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: Downtown Oceanside · Fire Mountain · Libby Lake · Loma Alta

Nissan Altima Rapid Response, Done Right

Rapid response in the field

2012 Nissan Altima key made with no spare by EZ Car Keyz Oceanside CA
Smart Key | Rapid On-Site Service
2012 Nissan Altima | San Diego
2012 Nissan Altima key made with no spare by EZ Car Keyz Oceanside CA
2012 Nissan Altima Smart Key
2012 Nissan Altima
Smart Key | Programmed for Less
Estimated arrival time to Oceanside
Quick & Affordable
Rapid Arrival
Available Today
Service location Oceanside
Oceanside
Best Rate Here
619 Area
Same-Day Keys (619) 876-1271

Real Reviews, Real Savings

See why drivers choose us over the dealer

B
Bradley B.
May 2024
★★★★★

“Locked out on a weekend night and everyone else wanted $300+. EZ Car Keyz sent Roman late at night for much less. He worked for over an hour and did not give up until the door opened. They even made a new key on the spot.”

Yelp Review
M
Marianne S.
Dec 2022
★★★★★

“I had two Subaru key fobs made and Marco provided excellent service. He stayed persistent through multiple part orders to make sure everything was correct. Very thorough, punctual, and great communication throughout.”

Google Review
T
Tommy M.
Dec 2023
★★★★★

“Tim went above and beyond. I struggled all day trying to program a new FOB and nothing worked. Tim helped me patiently, even recommending cheaper options since I was on a tight budget. He eventually came all the way to Ojai late at night and fixed everything.”

Yelp Review
Watch real savings, real jobs62KFollowers
Emergency 2012 Nissan Altima key replacement review - EZ Car Keyz Oceanside CA
“Real savings, real reviews.”
Emergency 2012 Nissan Altima key replacement review - EZ Car Keyz Oceanside CA
5.0 out of 5 - Based on Over 100 five-star Google reviews
Best Price (619) 876-1271

Nissan Altima Mobile Service FAQ

Real costs, no dealer surprises

What if I need a Nissan key replaced after hours or on a weekend?
Most dealer service departments close well before evening on weekdays and go dark entirely on Sundays. If you lose your key on a Saturday night or after 5 PM on any given weekday, you're waiting until they reopen, which for some Nissan dealers means Monday morning. Owners on forums talk about exactly this situation: stranded with no options because the dealer can't help until the beginning of the week. I work outside those hours. If you're in the Fire Mountain area of Oceanside and need a key after hours, one call gets you scheduled, often same evening or first thing the next morning depending on where the job stands. No appointment queue, no waiting for a tech to free up.
How long does the programming actually take once you're at my car?
Can you get it done faster than the dealer?
I bought a replacement fob online. Can you just program it to my 2012 Altima?
My 2012 Altima starts fine but then stalls immediately after. Could that be a key or immobilizer issue?
Questions? Call (619) 876-1271

Nissan Altima Key Service Areas

Fair pricing in every city we serve

📍San Diego County
San Diego County service area map
619 LOCAL LOCKSMITH
need a key? 🔑
San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado
Lost 2012 Nissan Altima key service coverage 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
Nissan Altima car key replacement video
113K+ Chose EZ Car Keyz

Get the Best Price on Nissan Altima Key Replacement

Why overpay? EZ Car Keyz gives you OEM quality at a fair price. No surprises, no hidden fees.

All 2012 Nissan Altima keys lost? Call EZ Car Keyz Oceanside CA
Need a key?
Available 6AM - 11:30PM | 7 Days a Week
Find Us
Find Your
Car Key
San Diego