Buick Century Key Replacement & Programming in Jacksonville
Spare keys from $340. All-keys-lost from $570. Mobile, on-site, same-day service across the First Coast.
Spare or Additional Century Key
Dealer Price
$545 – $705
Our Price
from$340
When you still have a working key.
Lost All Century Keys?
Dealer Price
$910 – $1,285
Our Price
from$570
When every key is lost or stolen.
Final price depends on your specific Century year and trim — call us for an exact quote.
Key Specifications — Buick Century
| Parameter | Value |
|---|---|
| Transponder Chip | Hitag2 / Megamos AES |
| FCC ID | HYQ4EA |
| Key Blade | HU100 |
| Frequency | 315 MHz |
| Immobilizer | GM PK3+ |
| Proximity / Smart Key | Yes (2017+) |
About Your 2026 Buick Century
Buick is a USA brand owned by General Motors. Their key system uses GM Passlock / PK3 / PK3+ with Transponder, Smart Key. Buick uses GM's mainstream immobilizer technology. Most modern Buick models support aftermarket key programming through OBDII.
The 2026 Buick Century is a sedan. We service this exact sedan regularly across the Jacksonville area — programming is reliable, the key blank is in stock on the truck, and most spare-key jobs complete in 35–60 minutes on-site without a tow.
Your 2026 Buick Century is a modern-era vehicle and uses the latest revision of Buick's key security platform. Programming requires advanced equipment but is fully aftermarket-supported on-site — no dealer trip needed in most cases.
Immobilizer (GM PK3+): GM's PK3+ has been refined since 2007 and is one of the easier mainstream platforms to program. Aftermarket coverage spans every Chevy, GMC, Buick, and Cadillac of the era.
In Jacksonville
We service Buick Century owners across all of Duval County — Jacksonville, Mandarin, Riverside, Southside, and the Beaches. Average response time across the metro is 20–30 minutes.
Ready to book your Buick Century key?