Description
GMC Smart Key Fob
2024–2026Product Summary
5-button smart key fob for select 2024–2026 GMC Acadia and Terrain vehicles. Direct factory original remote with FCC ID YG0G21TB2 operating at 433 MHz. Includes original CR2450 battery and uncut HU100 emergency key blade. OEM New.
Technical Specifications
| Product Type | Proximity Smart Key |
| FCC ID | YG0G21TB2 |
| IC Number | 4008C-G21TB2 |
| Frequency | 433 MHz |
| Buttons | 5 Button (Lock, Unlock, Remote Start, Hatch, Panic) |
| Part Number | 13514344 |
| Battery | Included (CR2450 Original) |
| Emergency Key | Included (HU100 Original Blade) |
| Condition | OEM New |
Vehicle Compatibility
- GMC Acadia: 2024, 2025, 2026
- GMC Terrain: 2025, 2026
Frequently Asked Questions
Is this a genuine part?
Yes, this is a brand-new original factory key fob directly manufactured for GM vehicles, guaranteeing 100% factory specification compatibility. OEM New.
How do I know if this key is correct for my vehicle?
To confirm compatibility, match your original remote’s FCC ID, part number, button count, and frequency with this listing before purchase.
Can I program this key myself?
In most cases, no. This type of smart key fob typically requires professional programming using locksmith or dealer-level equipment. The emergency key blade must also be cut prior to use.
Full Compatibility & Product Details
This GMC smart key fob is designed for 2024–2026 GMC Acadia and Terrain models, supporting lock, unlock, remote start, hatch release, and panic functions depending on vehicle configuration.
Always verify the FCC ID, part number, frequency, battery size, and emergency key type before purchase to ensure proper fit and function.
This key is commonly used as a replacement for lost or damaged remotes and may also be purchased as a spare for everyday use.
Professional programming is required for this key. Please confirm all product details and compatibility before purchase.

