Kia Optima 4-Button Smart Key – SY5JFFGE04 – 433.92 MHz – ID47

Kia Optima 4-Button Smart Key – SY5JFFGE04 – 433.92 MHz – ID47

Aftermarket replacement smart key for select 2016–2020 Kia Optima vehicles equipped with the SY5JFFGE04 proximity and push-to-start system.

This 4-button smart key operates at 433.92 MHz and features an ID47 / NCF2952X-compatible HITAG3 transponder system. The remote provides Lock, Unlock, Trunk Release, and Panic functions.

Primary replacement part numbers for this configuration include 95440-D4000 and 95440-D5000.

Always verify the original FCC ID, frequency, button configuration, OEM part number, and vehicle application before ordering or programming. Some Kia vehicles can use more than one remote configuration within the same model year, so verify by original part number or VIN.

Key Features

• FCC ID: SY5JFFGE04
• IC: 8325A-JFFGE04
• Frequency: 433.92 MHz
• U.S. Nominal Frequency: 434 MHz
• Transponder Chip: ID47
• Chip Configuration: NCF2952X-compatible aftermarket
• Transponder Technology: HITAG3-compatible
• Button Count: 4
• Button Functions: Lock / Unlock / Trunk Release / Panic
• Key Type: Smart Key
• Proximity / Keyless Go: Yes
• Push-to-Start: Yes
• Battery: CR2032
• Emergency Key Profile: KK12
• Emergency Key Included: Yes
• Manufacturer Type: Aftermarket
• Condition: New

 

Product Information

• Compatible Make: Kia
• Application Type: Smart Remote / Proximity / Immobilizer
• Vehicle System: Keyless Go / Push-to-Start
• Transponder: ID47 / NCF2952X-compatible aftermarket
• Transponder Technology: HITAG3-compatible
• Power Source: Battery Powered
• Battery Size: CR2032
• Emergency Key Profile: KK12
• Emergency Key Included: Yes
• Programming: Dealer / Locksmith Programming Required
• Remote Features: Keyless Entry, Proximity Entry, Power Lock, Trunk Release, Panic Mode
• OEM Cross-Reference: 95440-D4000 / 95440-D5000
• ILCO Cross-Reference: IAX00016010 / PRX-KIA-4B2

Vehicle Compatibility

Kia

• Optima S, EX, SX: 2016–2020
• Optima Hybrid: 2016–2020
• Optima PHEV / Plug-In Hybrid: 2016–2020

Important: Certain Hyundai/Kia vehicles can use more than one remote configuration for the same year. Verify the original FCC ID and OEM part number—or confirm by VIN—before ordering or programming. 

Programming & Compatibility

This smart key requires professional programming to the vehicle's immobilizer and proximity system before use.

The ID47 / HITAG3-compatible transponder and remote functions must be registered using compatible Kia locksmith or dealer programming equipment.

Do not expect a standard customer onboard programming procedure for this application. 

The emergency insert key must also be cut to match the vehicle before mechanical use.