GMC Terrain Key Replacement & Programming in Jacksonville
Spare keys from $240. All-keys-lost from $375. Mobile, on-site, same-day service across the First Coast.
Spare or Additional Terrain Key
Dealer Price
$385 – $560
Our Price
from$240
When you still have a working key.
Lost All Terrain Keys?
Dealer Price
$600 – $885
Our Price
from$375
When every key is lost or stolen.
Final price depends on your specific Terrain year and trim — call us for an exact quote.
Key Specifications — GMC Terrain
| Parameter | Value |
|---|---|
| Transponder Chip | Megamos 48 / Hitag2 |
| FCC ID | M3N-32337200 / HYQ1EA |
| Key Blade | B111 / HU100 |
| Frequency | 315 MHz |
| Immobilizer | GM PK3+ |
| Proximity / Smart Key | Yes (2016+) |
About Your 2026 GMC Terrain
GMC is a USA brand owned by General Motors. Their key system uses GM Passlock / PK3 / PK3+ with Transponder, Smart Key. GMC uses the same GM platform as Chevrolet. The Sierra and Yukon share key systems with their Chevrolet counterparts.
The 2026 GMC Terrain 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 GMC Terrain is a modern-era vehicle and uses the latest revision of GMC'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 GMC Terrain 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 GMC Terrain key?