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Infiniti Q45 Key Replacement

Infiniti Q45 keys date back to 1997 and span 2 key systems across the model’s generations — transponder ignition key; smart key (intelligent key, push-button). DFW Keys 4 Cars cuts and programs every one of them at your location anywhere in Dallas–Fort Worth, 24/7 — spares, all-keys-lost, fobs and lockouts. Call (214) 717-6398.


About Q45 Keys

Verified key reference for the Infiniti Q45 — model years, key types, and the transponder/immobilizer each generation uses. Boundary years can overlap; we confirm the exact part by VIN before dispatching.

Model / GenerationYearsKey TypeTransponder / ImmobilizerBlade / FCC
Q451997–2001Transponder ignition keyTexas ID 4CINF45-PT (DA34)
Q452002–2006Smart key (Intelligent Key, push-button)Texas 4D60NSN14 (DA34)

Security System & Immobilizer

Infiniti runs Nissan’s NATS immobilizer and standardized Intelligent Key proximity fobs early.

On the Q45 specifically we see: Texas ID 4C, Texas 4D60. A correctly cut but unprogrammed key turns the locks and never starts the engine — programming is the half of the job that matters.

Which key does your year have?

  • 1997–2001: Transponder ignition key — Texas ID 4C (INF45-PT (DA34))
  • 2002–2006: Smart key (Intelligent Key, push-button) — Texas 4D60 (NSN14 (DA34))

Our Q45 Key Services


Infiniti Q45 Key FAQ

I lost the only key to my Q45. What now?

We come to the vehicle, verify ownership, cut a new key from the VIN, and program it on-site — no tow, no dealer wait.

My Q45 is push-to-start — can you program that outside the dealer?

Yes. Late models (2002–2006) use a proximity smart key on Texas 4D60 — we carry the fobs and the programmer, and we cut the emergency blade.

How fast can you reach my Q45 in DFW?

We dispatch the nearest mobile unit metroplex-wide, 24/7 — call (214) 717-6398 for an honest ETA.