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2023 Nissan Maxima
Key Replacement - Save vs Dealer in San Diego

Quick Dispatch | Same-Day Keys

Available
2023 Nissan Maxima 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
Today Not Thursday Under 1 Hour On Our Way
Fast Response15-25
min arrival
100+reviews
See why they skip the dealer113KSubscribers
2023 Nissan Maxima all keys lost solutions from EZ Car Keyz San Ysidro CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • San Diego, CA
15+
Yrs Exp
2023 Nissan Maxima all keys lost solutions from EZ Car Keyz San Ysidro 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
619 Special
10% OFFCODE:EZ-619-2026

🔥 Done in under an hour, save 10% 🔥

Quick keys, quick savings
REDEEM (619) 876-1271

2023 Nissan Maxima
Key Options

Dealer-grade key for a fair, honest price

Push To Start
Most popular Nissan key typeMost Popular
2023 Nissan Maxima Smart Key KR5TXN7
FCC IDKR5TXN7Part #285E3-6HE6AButtons5BatteryCR2032Frequency434 MHzRemote StartYes
✓ In Stock · Programmed On-Site
Push To Start
2023 Nissan Maxima Smart Key KR5TXN7
FCC IDKR5TXN7Part #285E3-9BU1AButtons3BatteryCR2032Frequency433 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Metal Key
2023 Nissan Maxima Metal Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
New 2023 Nissan Maxima key fob when all keys lost from EZ Car Keyz San Ysidro CA
Skip the Dealer Markup
Professional key, honest rate
New 2023 Nissan Maxima key fob when all keys lost from EZ Car Keyz San Ysidro CA
🔧 PRO TIP
The 2023 Maxima smart key runs a CR2032, same as you'd find in a lot of current Nissan fobs. What catches people off guard is that a low battery on these doesn't always kill the fob outright. You get weird middle-ground behavior first: the car sees the key inside and lets you start it, but the exterior door handles stop waking up, or the range shrinks to a few inches. Owners blame the car, not the battery. Swap the CR2032 before you assume anything deeper is broken. Also, when you reinstall the battery, press it fully into the tray. A slightly tilted cell reads as dead on this style of fob housing.
Related services: Ignition Repair · Smart Key

Nissan Maxima Speed Comparison

See how fast we finish vs dealer delays

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 (619) 876-1271

2023 Nissan Maxima Smart Key Replacement - Fast, Affordable & Professional

The smog check shop on Beyer Blvd called me, not the customer. That's how this one started.

A Maxima owner had brought his car in for a smog check, mentioned in passing that he needed a key made, and a locksmith he found online showed up. Somewhere in the middle of the programming sequence the car battery sagged. Power dropped at the wrong moment, mid-security-handshake, and the immobilizer went into a fault state. The other tech packed up his gear and left without a word. The smog shop owner was standing there holding the phone wondering what to do with this car that now wouldn't communicate cleanly with anything.

That's when they called me.

I came out to the Beyer Blvd Corridor location with my jump pack and my full diagnostic setup, including a backup module reader I bring on jobs where I know there might be layered problems. First thing I did was stabilize the battery with the jump pack before touching the OBD port. A lot of recovery attempts on botched programming jobs fail because the tech goes right back in without addressing the voltage drop that caused the problem in the first place.

Once I had stable power, I cleared the fault state through the OBD port and verified the immobilizer was communicating correctly before starting any programming. Clean state, fresh start. The new fob paired on the first attempt. Total time was close to an hour and a half, longer than a normal replacement job, because of the recovery work upfront.

The customer saved a real chunk compared to the flatbed-to-dealer route that was the other option on the table. The smog shop now has my number saved.

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: Beyer Blvd Corridor · Border Area · Las Americas Area · San Ysidro Village

Nissan Maxima Rapid Response, Done Right

Rapid response in the field

2023 Nissan Maxima key made with no spare by EZ Car Keyz San Ysidro CA
Smart Key | Rapid On-Site Service
2023 Nissan Maxima | San Diego
2023 Nissan Maxima key made with no spare by EZ Car Keyz San Ysidro CA
2023 Nissan Maxima Smart Key
2023 Nissan Maxima
Smart Key | Done in Minutes
Estimated arrival time to San Ysidro
Fast Dispatch
Rapid Arrival
Available Today
Service location San Ysidro
San Ysidro
Rapid Service Zone
619 Area
Same-Day Keys (619) 876-1271

Speed That Gets Five Stars

Speed that earns five-star reviews

E
Edelson E.
Oct 2025
★★★★★

“I got locked out of my vehicle and also lost my key. Marco came out, made a new key for my Toyota, and got me back on the road. He was professional, friendly, and clearly knows what he is doing.”

Google Review
M
Miston
Dec 2025
★★★★★

“My ignition would not turn in La Jolla and I thought I needed a tow. EZ Car Keyz repaired the ignition on the spot and also made a spare key for safety. The technician worked carefully and confidently.”

Google Review
R
Rick R.
Apr 2021
★★★★★

“Niv showed up, did his thing, and just like that I had two new keys for a fraction of what the dealership quoted. I have zero reservations recommending him to anyone who needs car keys replaced.”

Google Review
Watch real savings, real jobs62KFollowers
Emergency 2023 Nissan Maxima key replacement review - EZ Car Keyz San Ysidro CA
“Real savings, real reviews.”
Emergency 2023 Nissan Maxima key replacement review - EZ Car Keyz San Ysidro 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

Do you use OEM or aftermarket keys on the 2023 Maxima?
We use OEM-spec blanks verified against the factory fob spec for this vehicle. On a current-generation Maxima, the smart key involves a newer-generation transponder chip and a specific radio pairing process. Aftermarket fobs that look identical on the outside sometimes carry chips that don't negotiate correctly with the immobilizer, and you don't find out until you're already at the customer's car. Nissan dealers have been documented refusing to program third-party fobs sourced from online marketplaces. I've seen the same issue in the field. A fob that programs halfway and then drops out of the key memory a week later is worse than no fob at all, because the diagnosis gets more complicated. We supply the key, we know it works, and we stand behind it.
How long should a replacement smart key last on a 2023 Maxima?
What if my new key stops working a few weeks after replacement?
Can I add a second key to my 2023 Maxima myself, or does it always need a tech?
My Maxima starts fine but one door handle stopped waking up. Is the smart key failing?
Questions? Call (619) 876-1271

Nissan Maxima Key Service Areas

15-25 min response in most areas

📍San Diego County
San Diego County service area map
619 LOCAL LOCKSMITH
need a key? 🔑
San DiegoChula VistaOceansideEscondidoCarlsbadEl CajonVistaSan MarcosEncinitasNational CityLa MesaSanteePowayCoronado
Lost 2023 Nissan Maxima key service coverage in San Diego County CA
Emergency dispatch throughout San Diego County

Same-day 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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Fast Nissan Maxima Key Replacement

Need your key today? We make it happen. Same-day service, every day, 6 AM to 11:30 PM.

All 2023 Nissan Maxima keys lost? Call EZ Car Keyz San Ysidro CA
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