Infiniti FX45 Key Replacement & Programming in Jacksonville
Spare keys from $295. All-keys-lost from $390. Mobile, on-site, same-day service across the First Coast.
Spare or Additional FX45 Key
Dealer Price
$470 – $725
Our Price
from$295
When you still have a working key.
Lost All FX45 Keys?
Dealer Price
$625 – $1,010
Our Price
from$390
When every key is lost or stolen.
Final price depends on your specific FX45 year and trim — call us for an exact quote.
✓ Verified key supply for Infiniti
Infiniti key blanks are stocked in our supplier catalog — no special-order delay.
Key Specifications — Infiniti FX45
| Parameter | Value |
|---|---|
| Transponder Chip | Hitag AES / PCF7952 |
| FCC ID | KR5TXN7 / S180144304 |
| Key Blade | NSN14 |
| Frequency | 433 MHz |
| Immobilizer | NATS 6+ |
| Proximity / Smart Key | Yes (2006+) |
About Your 2026 Infiniti FX45
Infiniti is a Japan brand owned by Nissan Motor / Renault-Nissan-Mitsubishi Alliance. Their key system uses Nissan NATS with Transponder, Intelligent Key. Infiniti shares Nissan's NATS immobilizer platform but with premium features. Programming requires security access through the vehicle's BCM.
The 2026 Infiniti FX45 is a sedan. We service this exact sedan regularly across the Jacksonville area — programming is reliable, the key blank is in stock on the truck, and most spare-key jobs complete in 35–60 minutes on-site without a tow.
Your 2026 Infiniti FX45 is a modern-era vehicle and uses the latest revision of Infiniti's key security platform. Programming requires advanced equipment but is fully aftermarket-supported on-site — no dealer trip needed in most cases.
Immobilizer (NATS 6+): Nissan's NATS 6+ is the oldest modern immobilizer still in active use — it's been on Nissans since 1999 and is one of the easiest platforms to program.
In Jacksonville
Infiniti FX45 is one of the vehicles we see weekly in the Jacksonville area. We come to you at home, work, the parking lot, or roadside — no need to tow.
Ready to book your Infiniti FX45 key?