Infiniti key-system generations
Different generations can use different transponders, smart keys, proximity systems, and programming procedures. These records are used as market references for the quote engine.
2003–2020
Nissan NATS
Key type
Transponder Key
Programming
PIN / Key Code
Spare key reference
$249–$399
Typical $324
All keys lost reference
$399–$649
Typical $524
Final pricing can still vary by exact hardware, vehicle condition, service location, and all-keys-lost state. The estimator keeps the vehicle tied to its platform and records demand so weak data gets prioritized for research.