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Cadillac Lyriq Key Replacement

Cadillac Lyriq keys date back to 2023 and span 2 key systems across the model’s generations — smart proximity (global b, ev); hitag pro/id49. 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 Lyriq Keys

Verified key reference for the Cadillac Lyriq — 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
Lyriq2023+Smart proximity (Global B, EV)Hitag Pro / ID49 (NCF29A1) – FCC YG0G20TB1 (433 MHz)HU100 emergency insert
Lyriq2023+Hitag Pro/ID49YG0G20TB2NCF29A1 (GM Global B platform, 315 MHz)

Security System & Immobilizer

Cadillac pioneered VATS resistor keys and moved through PassKey and PK3 transponders to ID46 keys and today’s proximity fobs.

On the Lyriq specifically we see: Hitag Pro / ID49 (NCF29A1) – FCC YG0G20TB1 (433 MHz), YG0G20TB2. 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?

  • 2023+: Smart proximity (Global B, EV) — Hitag Pro / ID49 (NCF29A1) – FCC YG0G20TB1 (433 MHz) (HU100 emergency insert)
  • 2023+: Hitag Pro/ID49 — YG0G20TB2 (NCF29A1 (GM Global B platform, 315 MHz))

Our Lyriq Key Services


Cadillac Lyriq Key FAQ

I lost the only key to my Lyriq. 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.

Will a hardware-store copy start my Lyriq?

On transponder-era cars it opens doors and nothing else — the chip must be programmed to the immobilizer, which is what we do curbside.

How fast can you reach my Lyriq in DFW?

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