Hyundai Santa Fe: Seat Belt Pretensioner / Emergency Fastening Device (EFD). Description and operation

Hyundai Santa Fe (TM) 2019-2025 Service Manual / Restraint / Seat Belt Pretensioner / Emergency Fastening Device (EFD). Description and operation

Description
The Emergency Fastening Device (EFD) operates at the same time with the Seat Belt Pretensioner when it satisifies the deployment condition after a collision. It is an auxiliary equipment to prevent a driver and passenger from breaking away by pulling the seat belt toward the anchor side after a collision. It is located near the anchor on the driver and passenger seat and is supported by two cables.
  
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Never measure the resistance of the anchor pretensioner directly, the current of the measuring device may cause unexpected airbag deploy.

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    Emergency Fastening Device (EFD). Components and components location

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    Categories

    Air bag - supplemental restraint system

    1. Driver’s front air bag
    2. Passenger’s front air bag
    3. Side air bag
    4. Curtain air bag

    The vehicles are equipped with a Supplemental Air Bag System for the driver’s seat and front passenger’s seats.

    The front air bags are designed to supplement the three-point seat belts. For these air bags to provide protection, the seat belts must be worn at all times when driving.

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