Description
Honda Civic Smart Key 2016–2021
✔ Remote Start ✔ Trunk Release ✔ Key Replacement
Replace your lost or damaged remote with this aftermarket Honda Civic smart key replacement designed for 2016–2021 Honda Civic vehicles. This 5-button proximity key is a reliable and affordable solution for replacing a missing key fob without the high cost of dealership replacement.
Built to match original vehicle specifications, this replacement smart key supports factory functions including lock, unlock, remote start, trunk release, and panic when equipped on the vehicle. Professional automotive locksmith programming is required before use.
Technical Specifications
| Product Type | Proximity Smart Key |
| Condition | Aftermarket |
| FCC ID | KR5V2X |
| IC Number | 7812D-V2X |
| Frequency | 434 MHz |
| Buttons | 5 Button (Lock, Unlock, Remote Start, Trunk, Panic) |
| Part Number | 72147-TBA-A11 / A12 |
| Battery | CR2032 Lithium 3V (Included) |
| Emergency Key | HO01 Emergency Key (Included) |
Vehicle Compatibility
- Honda Civic: 2016, 2017, 2018, 2019, 2020, 2021
Frequently Asked Questions
How do I confirm this smart key fits my Honda Civic?
Before purchasing, compare your original key FCC ID (KR5V2X), part number (72147-TBA-A11/A12), frequency (434 MHz), button layout, and vehicle year with this listing. Correct matching information helps ensure compatibility.
Can I program this Honda smart key myself?
No. Most Honda proximity smart keys require professional programming with locksmith or dealer-level diagnostic equipment. The HO01 emergency blade must also be cut by a professional.
Is this an original Honda OEM key?
No. This is an aftermarket replacement smart key designed to provide a cost-effective alternative for customers needing a replacement Honda Civic key fob.
What functions does this key support?
Depending on vehicle configuration, this smart key supports lock, unlock, remote start, trunk release, and panic functions.
Full Compatibility & Product Details
This 5-button aftermarket smart key is specifically engineered for 2016–2021 Honda Civic models equipped with push-to-start proximity systems. It matches original performance standards for wireless keyless entry, remote start, and immobilizer pairing.
Always verify that your current key or vehicle system requires FCC ID KR5V2X and operates at 434 MHz before completing your order.
⚠️ Professional Programming Required
This smart key requires programming by a qualified automotive locksmith or dealership before operation. Please verify FCC ID and compatibility before ordering.

