A Smart Key is the type of key your 2014 Nissan Maxima uses. It has a transponder chip inside that communicates with your vehicle's NATS security system and 4 buttons for remote functions. The chip must be registered to your specific VIN through CONSULT or equivalent professional tools before the engine will start. That registration step is what takes time at the dealer, but with the right equipment and credentials, a mobile locksmith can handle it on site in a fraction of the time.

2014 Nissan Maxima
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2014 Nissan Maxima all keys lost solutions from EZ Car Keyz Spring Valley CA

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Average arrival time: 15-25 minutes

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2014 Nissan Maxima
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✕ $$$$

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Wait Time

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✕ 2-5 days

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2014 Nissan Maxima Smart Key Replacement - Fast, Affordable & Professional

I got a call from an event planner at a venue parking lot in Spring Valley. She had a catering van blocking the loading zone and a 2014 Nissan Maxima that wouldn't start. Her Intelligent Key had died and the event was loading in two hours. She couldn't be late.

I was at the venue in 25 minutes. I used my NSN14 Lishi to open the door, then connected through OBD. Her Smart Key, FCC ID KR55WK48903, needed a fresh CR2032 battery and a reprogram to clear the fault. Total hands-on time was about 20 minutes.

She moved her car out of the loading zone with time to spare and paid $241 total. Dealer would have been $418 plus a tow plus a missed event setup.

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Reviews from drivers who got keys fast

A

A. G.

Jun 2025

★★★★★

“A friend lost my Lexus key and he was able to program and cut a brand new one within 20 minutes. Arrived within about 40 minutes and was friendly, efficient, and quick.”

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Joseph C.

Apr 2024

★★★★★

“I needed two keys made for my Honda Element. Friendly, fast, fair pricing, and far better than any other locksmith I have used in the area. Best service by far.”

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Priscilla L.

May 2025

★★★★★

“I lost my Honda Passport key and called EZ Car Keyz. He came out and made a new key in under five minutes. Legendary service.”

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Emergency 2014 Nissan Maxima key replacement review - EZ Car Keyz Spring Valley CA

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Nissan Maxima Mobile Service FAQ

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How long does the Nissan dealer take for key replacement?▼

Nissan owners report the actual programming takes about 15 minutes once a tech has CONSULT connected and the key in hand. But the full dealer visit is a different story. The car has to wait for a dispatcher, then a certified tech, then the tech accesses the NATS system through CONSULT III or CONSULT 4, runs the challenge/response code from the BCM, and registers the key. Dealers block out one to two hour windows for this. One Nissan dealership employee described it as a standard menu-priced service appointment, not a quick stop.