{"product_id":"2020-2022-lexus-smart-key-fob-4-button-hatch-board-3950-hyq14flb-89904-48v80-refurbished","title":"2020-2022 Lexus Smart Key Fob – 4-Button wth Hatch | PN: 89904-48V80 | FCC ID: HYQ14FLB OEM Refurbished","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003cscript type=\"application\/ld+json\"\u003e\n    {\n      \"@context\": \"https:\/\/schema.org\/\",\n      \"@type\": \"Product\",\n      \"name\": \"Lexus 2020-2022 Smart Proximity Remote Board 3950\",\n      \"description\": \"Professional 4-button keyless entry remote for Lexus RX, NX, and LX series (2020-2022). Technical match for Board 3950 systems.\",\n      \"brand\": { \"@type\": \"Brand\", \"name\": \"Lexus\" },\n      \"sku\": \"89904-48V80\",\n      \"mpn\": \"HYQ14FLB-3950\",\n      \"offers\": {\n        \"@type\": \"Offer\",\n        \"priceCurrency\": \"USD\",\n        \"availability\": \"https:\/\/schema.org\/InStock\"\n      }\n    }\n    \u003c\/script\u003e\u003c\/p\u003e\n\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #333; max-width: 800px; margin: auto; padding: 10px;\"\u003e\n\u003cheader style=\"background-color: #2c3e50; padding: 25px 20px; text-align: center; border-radius: 8px; margin-bottom: 20px; box-shadow: 0 4px 6px rgba(0,0,0,0.1);\"\u003e\n\u003ch1 style=\"margin: 0; color: #ffffff; font-size: 1.6em; text-transform: uppercase; letter-spacing: 1px;\"\u003eLexus Proximity Key \u003cspan style=\"color: #bdc3c7;\"\u003e2020-2022\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cdiv style=\"margin-top: 10px; color: #ffffff; font-weight: bold; font-size: 1.1em; background: rgba(255,255,255,0.1); display: inline-block; padding: 5px 15px; border-radius: 4px; border: 1px solid rgba(255,255,255,0.2);\"\u003ePART NUMBER: 89904-48V80\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 8px; color: #ffffff; font-size: 0.9em; opacity: 0.9;\"\u003eFCC ID: HYQ14FLB | IC: 1551A-14FBB | Board 3950\u003c\/div\u003e\n\u003c\/header\u003e\n\u003cp style=\"font-size: 1.05em; line-height: 1.7;\"\u003eThis \u003cstrong\u003esmart proximity remote\u003c\/strong\u003e is designed to work exactly like your original Lexus key for updated 2020-2022 models. It is a precise technical match for \u003cstrong\u003epush-to-start key\u003c\/strong\u003e systems, featuring the \u003cstrong\u003eBoard ID 3950\u003c\/strong\u003e architecture, \u003cstrong\u003eIC Number 1551A-14FBB\u003c\/strong\u003e, and \u003cstrong\u003eTexas ID H-8A\u003c\/strong\u003e transponder security. Whether you’ve lost your only set (\u003cstrong\u003e\"All Keys Lost\"\u003c\/strong\u003e) or just want to \u003cstrong\u003eadd a spare key\u003c\/strong\u003e for backup, this \u003cstrong\u003eproximity key\u003c\/strong\u003e restores every factory feature, including keyless entry and power hatch control. \u003cstrong\u003eProfessional automotive locksmith programming is required to sync this remote to your vehicle.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #eee; padding-bottom: 8px; margin-top: 25px;\"\u003eThe Technical Details\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px; border: 1px solid #ddd;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #f9f9f9; font-weight: bold; width: 40%;\"\u003eFCC ID\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px; font-weight: bold;\"\u003eHYQ14FLB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #ffffff; font-weight: bold;\"\u003eIC Number\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e1551A-14FBB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #f9f9f9; font-weight: bold;\"\u003eCircuit Board ID\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px; font-weight: bold; color: #c0392b;\"\u003eBoard 3950\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #ffffff; font-weight: bold;\"\u003eChip \u0026amp; Frequency\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eTexas ID H-8A \/ 315 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #f9f9f9; font-weight: bold;\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eCR2032 (Included \u0026amp; Installed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #ffffff; font-weight: bold;\"\u003eEmergency Key\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eUncut LXP90 Blade Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px; background-color: #f9f9f9; font-weight: bold; vertical-align: top;\"\u003eFits These Models\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eLexus RX350 \/ RX450h:\u003c\/strong\u003e 2020-2022\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLexus NX300 \/ NX300h:\u003c\/strong\u003e 2020-2021\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLexus LX570:\u003c\/strong\u003e 2020-2021\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"color: #2c3e50; border-bottom: 2px solid #eee; padding-bottom: 8px; margin-top: 30px;\"\u003eThings to Know Before Buying\u003c\/h3\u003e\n\u003cdiv style=\"font-size: 0.95em; color: #444;\"\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm my Lexus uses \"Board 3950\"?\u003c\/strong\u003e\u003cbr\u003eThe most reliable way is to open your current \u003cstrong\u003ekeyless entry remote\u003c\/strong\u003e case and check the number printed on the internal circuit board. It must show \u003cstrong\u003e\"3950\"\u003c\/strong\u003e. This board is used in the updated systems from 2020 onwards and is not interchangeable with earlier versions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I program this myself?\u003c\/strong\u003e\u003cbr\u003eNo. Due to the advanced encryption in the FLB series, this \u003cstrong\u003esmart proximity remote\u003c\/strong\u003e requires specialized diagnostic tools. A professional automotive locksmith has the software needed to sync the new \u003cstrong\u003epush-to-start key\u003c\/strong\u003e to your immobilizer safely.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat arrives in the box?\u003c\/strong\u003e\u003cbr\u003eYou'll get the \u003cstrong\u003ereplacement key\u003c\/strong\u003e with a fresh \u003cstrong\u003eCR2032\u003c\/strong\u003e battery already inside, plus the uncut LXP90 emergency blade. You just need to take it to a locksmith to have it laser-cut and programmed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #fffaf0; border: 1px solid #ffeeba; border-left: 6px solid #2c3e50; padding: 20px; margin-top: 30px; border-radius: 4px;\"\u003e\n\u003cp style=\"margin: 0; color: #2c3e50; font-weight: bold; font-size: 1.1em;\"\u003e⚠️ Check Your Board First\u003c\/p\u003e\n\u003cp style=\"margin: 10px 0 0; color: #444; line-height: 1.4;\"\u003eLexus remotes are strictly version-specific. This \u003cstrong\u003eproximity key\u003c\/strong\u003e is for \u003cstrong\u003eBoard ID 3950\u003c\/strong\u003e and \u003cstrong\u003eFCC ID: HYQ14FLB\u003c\/strong\u003e only. Verify your original board marking before ordering to ensure a successful programming experience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Cal Key Supply","offers":[{"title":"Default Title","offer_id":52266722099476,"sku":"CKS-89904-48V80-3951","price":98.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/1654\/9908\/files\/2020-2022-lexus-smart-key-board-3950-cks.jpg?v=1769834374","url":"https:\/\/calkeysupply.com\/products\/2020-2022-lexus-smart-key-fob-4-button-hatch-board-3950-hyq14flb-89904-48v80-refurbished","provider":"Cal Key Supply","version":"1.0","type":"link"}