{"product_id":"kia-optima-sy5jffge04-4-button-smart-key","title":"Kia Optima 4-Button Smart Key – SY5JFFGE04 – 433.92 MHz – ID47","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eKia Optima 4-Button Smart Key – SY5JFFGE04 – 433.92 MHz – ID47\u003c\/strong\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAftermarket replacement smart key for select 2016–2020 Kia Optima vehicles equipped with the SY5JFFGE04 proximity and push-to-start system.\u003c\/p\u003e\n\u003cp\u003eThis 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.\u003c\/p\u003e\n\u003cp\u003ePrimary replacement part numbers for this configuration include 95440-D4000 and 95440-D5000.\u003c\/p\u003e\n\u003cp\u003eAlways 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.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFCC ID: \u003ccode\u003eSY5JFFGE04\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eIC: \u003ccode\u003e8325A-JFFGE04\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eFrequency: \u003ccode\u003e433.92 MHz\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eU.S. Nominal Frequency: \u003ccode\u003e434 MHz\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransponder Chip: \u003ccode\u003eID47\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eChip Configuration: \u003ccode\u003eNCF2952X-compatible aftermarket\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransponder Technology: \u003ccode\u003eHITAG3-compatible\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eButton Count: \u003ccode\u003e4\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eButton Functions: \u003ccode\u003eLock \/ Unlock \/ Trunk Release \/ Panic\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eKey Type: \u003ccode\u003eSmart Key\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eProximity \/ Keyless Go: \u003ccode\u003eYes\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003ePush-to-Start: \u003ccode\u003eYes\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eBattery: \u003ccode\u003eCR2032\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmergency Key Profile: \u003ccode\u003eKK12\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmergency Key Included: \u003ccode\u003eYes\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eManufacturer Type: \u003ccode\u003eAftermarket\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eCondition: \u003ccode\u003eNew\u003c\/code\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible Make: \u003ccode\u003eKia\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eApplication Type: \u003ccode\u003eSmart Remote \/ Proximity \/ Immobilizer\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eVehicle System: \u003ccode\u003eKeyless Go \/ Push-to-Start\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransponder: \u003ccode\u003eID47 \/ NCF2952X-compatible aftermarket\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eTransponder Technology: \u003ccode\u003eHITAG3-compatible\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003ePower Source: \u003ccode\u003eBattery Powered\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eBattery Size: \u003ccode\u003eCR2032\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmergency Key Profile: \u003ccode\u003eKK12\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmergency Key Included: Yes\u003c\/li\u003e\n\u003cli\u003eProgramming: \u003ccode\u003eDealer \/ Locksmith Programming Required\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eRemote Features: \u003ccode\u003eKeyless Entry, Proximity Entry, Power Lock, Trunk Release, Panic Mode\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eOEM Cross-Reference: \u003ccode\u003e95440-D4000 \/ 95440-D5000\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eILCO Cross-Reference: \u003ccode\u003eIAX00016010 \/ PRX-KIA-4B2\u003c\/code\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eKia\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOptima S, EX, SX: \u003ccode\u003e2016–2020\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eOptima Hybrid: \u003ccode\u003e2016–2020\u003c\/code\u003e\n\u003c\/li\u003e\n\u003cli\u003eOptima PHEV \/ Plug-In Hybrid: \u003ccode\u003e2016–2020\u003c\/code\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e 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. \u003c\/p\u003e\n\u003ch3\u003eProgramming \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eThis smart key requires professional programming to the vehicle's immobilizer and proximity system before use.\u003c\/p\u003e\n\u003cp\u003eThe ID47 \/ HITAG3-compatible transponder and remote functions must be registered using compatible Kia locksmith or dealer programming equipment.\u003c\/p\u003e\n\u003cp\u003eDo not expect a standard customer onboard programming procedure for this application. \u003c\/p\u003e\n\u003cp\u003eThe emergency insert key must also be cut to match the vehicle before mechanical use.\u003c\/p\u003e","brand":"Aftermarket","offers":[{"title":"Default Title","offer_id":49588554957059,"sku":"PLS-RMT-KIA25","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/6298\/8803\/files\/ChatGPTImage8sept2026_17_08_32.png?v=1788898184","url":"https:\/\/palmettolocksupply.com\/products\/kia-optima-sy5jffge04-4-button-smart-key","provider":"Palmetto Lock Supply","version":"1.0","type":"link"}