Hyundai Elantra 2017-2018 Smart Key 3-Button
3-button · 433 MHz · ID8A · Part 95440-F2100
⭐ The Hyundai Elantra 2017-2018 3-button smart key on part number 95440-F2100 is offered here as a new genuine factory Hyundai unit, working at 433 MHz and carrying a DST-AES, ID 8A (Texas Instruments 128-bit) transponder. It is supplied as the key only, without the emergency blade, and is registered over OBD with a diagnostic tool. Hyundai also lists 95440-F2000 / 95440-F3000 for the same car with a different layout or approval, so match 95440-F2100 on the original key.
⚙️ Key features
3-button layout
3 buttons as fitted to the Elantra proximity key, with push-button start.
433 MHz with ID8A
433 MHz transmitter paired with a DST-AES, ID 8A (Texas Instruments 128-bit) transponder for proximity entry and push-button start.
Not the 95440-F2000 / 95440-F3000 key
Built for 95440-F2100 only. 95440-F2000 / 95440-F3000 fits the same car but is a different key.
CR2032 coin cell
Runs on a user-replaceable CR2032 battery. The emergency blade is sourced separately.
💎 Benefits
Every button working
The 3-button layout matches the car, so the customer keeps every remote function.
Fewer wrong orders
Ordering by part number 95440-F2100 avoids returns from look-alike keys.
Factory electronics
A genuine Hyundai unit, so the electronics match the original key exactly.
Customer confidence
A factory key reassures customers who want the same part the car was built with.
👥 Who it's for
Automotive locksmiths
Add-key and all-keys-lost jobs on the Hyundai Elantra with OBD key programmers.
Key shops and counter trade
Stock for walk-in spare key requests on the Elantra.
Dealers and garages
Replacement keys for used Elantra stock and service customers.










