Hyundai Elantra Key Replacement & Programming in Jacksonville
Spare keys from $340. All-keys-lost from $440. Mobile, on-site, same-day service across the First Coast.
Spare or Additional Elantra Key
Dealer Price
$545 – $840
Our Price
from$340
When you still have a working key.
Lost All Elantra Keys?
Dealer Price
$705 – $960
Our Price
from$440
When every key is lost or stolen.
Final price depends on your specific Elantra year and trim — call us for an exact quote.
Key Specifications — Hyundai Elantra
| Parameter | Value |
|---|---|
| Transponder Chip | Hitag3 / PCF7952 |
| FCC ID | TQ8-FOB-4F11 / SY5IGFGE04 |
| Key Blade | HY22 / HY20 |
| Frequency | 433 MHz |
| Immobilizer | Hyundai Immobilizer |
| Proximity / Smart Key | Yes (2012+) |
About Your 2026 Hyundai Elantra
Hyundai is the fastest-growing volume brand in our shop. Sonata, Elantra, Tucson, Santa Fe, and Palisade are all common in Jacksonville, and Hyundai's modern smart-key platform (shared with Kia and Genesis) is well aftermarket-supported. The 2010s saw Hyundai become a serious anti-theft target — particularly the basic transponder Elantra and Sonata of that era — and the brand responded with a 2023 software update that added an extra security layer to legacy models. Newer Hyundais (2022+) use the latest revision of the smart-key platform with NFC support on Genesis and select Hyundai trims. The most useful thing to know about Hyundai keys: bring the title or registration to all-keys-lost jobs — Hyundai's security session requires VIN-level proof of ownership and we cannot complete the programming without it.
7th-generation Elantra (2021+) made Smart Key standard across the lineup. Earlier Elantras (2017–2020) had the basic transponder remote on SE / SEL and Smart Key on Limited.
2018-and-newer Hyundais (8th-gen Sonata, 7th-gen Elantra, 4th-gen Tucson, 4th-gen Santa Fe, Palisade) use Smart Key as standard and the latest revision of the immobilizer. Programming is fast and reliable on-site.
Common issues we see
The well-publicized 2011–2021 Hyundai/Kia theft trend affected models without immobilizers. If your Hyundai is in this range and was stolen or attempted, we install factory-equivalent security upgrade keys that resolve the vulnerability.
Sedan key replacement is among the fastest jobs we do — most sedans have well-documented immobilizer programming that we complete in 30–45 minutes on-site.
Immobilizer (Hyundai Immobilizer): Hyundai-Kia's modern immobilizer with smart key entry is well aftermarket-supported. The 2023+ refresh added an extra security layer in response to the well-publicized theft trend.
In Jacksonville
Whether you're in the Westside, Northside, Arlington, San Marco, Avondale, or out toward the Beaches — Jacksonville Beach, Atlantic Beach, Neptune Beach, Ponte Vedra — we cover the whole metro for Hyundai Elantra key service.
Why book us for your Hyundai Elantra
We carry the full Hyundai-Kia smart key blank inventory and program with the same equipment a Hyundai dealer uses. Spare keys start at $149.
Frequently asked questions
Is my Hyundai affected by the theft trend?+
Most 2011–2021 Hyundai models with a turn-key ignition (no push-button start) were affected. If your car has push-button start, it has the immobilizer and is not affected.
How much does a Hyundai smart key cost?+
Smart key spare starts at $149 cut and programmed on-site. All-keys-lost starts at $199.
Can you do all-keys-lost on a Hyundai with the security upgrade?+
Yes. We program both pre- and post-upgrade Hyundais on-site. The security upgrade does not block aftermarket programming — it just makes the immobilizer mandatory.
Ready to book your Hyundai Elantra key?