2003 Nissan Maxima
Key Replacement - Save vs Dealer in Ventura County
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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.

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2003 Nissan Maxima
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2003 Nissan Maxima Transponder Key Replacement - Fast, Affordable & Professional
A couple on a road trip got stuck at a motel near McGrath State Beach in Oxnard. Their only key for a 2003 Maxima just stopped turning the ignition. The security light on the cluster was blinking steady, and the engine would crank for a second then cut out. Classic NATS rejection.
They called the Nissan dealer. Earliest opening was the next afternoon, and they were told to have it towed in first. That was going to eat most of a day plus the tow bill on top of the key work.
They found me that evening.
I met them in the motel lot. The 2003 Maxima uses NATS5 with a 4D60 transponder chip, no remote buttons, just a straight transponder key with the NSN14 blade profile, part number K-NI02T. I pulled pin data through the OBD port using my programmer to access the BCM, read the NATS module, and registered a new 4D60 chip to the immobilizer. Cut the blade on my machine in the van to match their locks.
The part that took the longest was letting the car sit with the key in the on position for the NATS relearn cycle. About 20 minutes total from showing up to handing over a working key.
The guy turned the ignition, the security light went solid then off, and the engine caught. He just sat there for a second with his hands on the wheel like he was making sure. His wife was already looking up where to eat dinner.
One visit, same night, for a fraction of what the dealer route would have cost.
Save vs the Dealer on Your Nissan Maxima Key
Get your key for hundreds less than the dealer. Same quality, same result, better price.
Nissan Maxima Rapid Response, Done Right
Rapid response in the field
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Happy customers who saved hundreds
“I called EZ Car Keyz to unlock my truck, make a key, and sync a new key fob. They were at my location within minutes and handled everything fast and friendly. Prices were great and the service was excellent.”
“Steve was incredibly helpful when I lost my car keys. He came out the exact same day and I only waited about 30 minutes. I really needed to get to work and he completely saved me.”
“I am very pleased with the value of the service I received from Marco at EZ Car Keyz. They arrived extremely fast, opened my door in no time, and the price was right on point.”
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