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2024-2025 Hyundai Sonata / 4-Button Smart Key Remote / PN: 95440-L5750 / TQ8-FOB-4F89U44 (AFTERMARKET)

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Aftermarket smart key remote compatible with 2024-2025 Hyundai Sonata.

Features 4 buttons: Lock, Unlock, Hatch, and Panic. Operates at 433 MHz

with a built-in 4A (HITAG-AES) transponder chip. Battery CR2450 included.

Direct replacement for OEM part number 95440-L5750.

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🔧 Technical Specifications

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  FCC ID              TQ8-FOB-4F89U44

  IC ID               5074A-FOB4F89U44

  Frequency           433 MHz

  Buttons             4 — Lock, Unlock, Hatch, Panic

  Battery             CR2450 (included)

  Transponder Chip    4A (HITAG-AES)

  OEM Part Number     95440-L5750

  Keyway              HY18

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✅ Compatibility Checklist

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  ✅ Hyundai Sonata (2024-2025)

  ✅ Replaces OEM PN: 95440-L5750

  ✅ FCC ID match: TQ8-FOB-4F89U44

  ✅ Frequency: 433 MHz

  ✅ Transponder: 4A chip

⚠️ Verification required: Confirm your existing key has FCC ID

   TQ8-FOB-4F89U44 before ordering. Professional cutting and

   programming recommended.

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🔑 Programming Instructions

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  1. Insert the mechanical key into the ignition cylinder

  2. Turn to the ON position (do not start the engine)

  3. Press the Lock button on the remote within 5 seconds

  4. Turn ignition off and remove key

  5. Test all buttons — Lock, Unlock, Hatch, and Panic

  6. If no response, try the manual pairing procedure in the

     vehicle owner's manual or consult a certified locksmith

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📦 What's Included

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  • 1× Aftermarket Smart Key Remote (TQ8-FOB-4F89U44)

  • 1× CR2450 Battery (pre-installed)

  • 1× Mechanical Key Blade (uncut)

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🚚 Shipping & Warranty

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  ✅ Ships within 1-3 business days

  ✅ Free shipping on orders over $100

  ✅ 5-7 days delivery to US addresses

  ✅ 1-Year Free Return policy

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❓ Frequently Asked Questions (FAQ)

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Q: Will this work for my 2024 Hyundai Sonata?

A: Yes — this aftermarket remote is compatible with 2024-2025

   Hyundai Sonata models with FCC ID TQ8-FOB-4F89U44.

Q: Do I need to program this key?

A: The remote functions (Lock/Unlock/Hatch/Panic) may require

   programming by a certified locksmith or dealer. The mechanical

   key will need to be cut to match your original.

Q: Is the battery included?

A: Yes, the CR2450 coin cell battery is pre-installed.

Q: What is the transponder chip in this key?

A: This key contains a 4A (HITAG-AES) transponder chip, which is

   required for the vehicle to start.

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US-HYU-R45A  |  TQ8-FOB-4F89U44  |  95440-L5750

Compatible: Hyundai Sonata 2024-2025

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