The 2019–2022 Santa Fe uses the same key setup, so everything on this page applies to those years too. The full picture is on the Hyundai Santa Fe key guide.
2021 Hyundai Santa Fe: key facts
- Key type
- Mechanical (no chip)
- Push-to-start
- No
- Transponder chip
- None
- Programming
- NONE
- All keys lost
- We can originate new keys on site
TM generation, on Hyundai's anti-theft list (through 2022): base turn-key trims shipped without an immobilizer. Smart-key trims are catalog-listed as ID47 (fob-level listings for these years do not state the chip, so it is marked unconfirmed).
Same key system as the 2019–2022 Santa Fe
Hyundai kept the Santa Fe's key system unchanged across 2019–2022, so everything about replacing a 2021 key — blanks, programming, and what happens if every key is lost — matches the rest of that run. The full year-by-year breakdown lives in our Hyundai Santa Fe key guide.
What drives the price is the key type, whether you still have a working key, and where the car is parked. There's more on Hyundai programming in general on our Hyundai key page.
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Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.
Last updated 2026-10-11.