Hyundai Kona: Seat Belt Pretensioner / Description and operation

Description
The Seat Belt Pretensioners (BPT) are installed inside Center Pillar (LH & RH). When a vehicle crashes with a certain degree of frontal impact, the pretensioner seat belt helps to reduce the severity of injury to the front seat occupants by retracting the seat belt webbing. This prevents the front occupants from thrusting forward and hitting the steering wheel or the instrument panel when the vehicle crashes.
(Seat belt pretensioner may be activated in side impact collisions if the vehicle has side airbag or crutain airbag.)
  
Never attempt to measure the circuit resistance of the Seat Belt Pretensioner (BPT) even if you are using the specified tester. If the circuit resistance is measured with a tester, the pretensioner will be ignited accidentally. This will result in serious personal injury.
Components and components location
Components 1. Seat Belt Pretensioner (BPT) 2. Rear Seat Belt Pretensioner ...

Repair procedures
Removal Front seat belt pretensioner (BTP) 1. Disconnect the battery negative cable, and wait for at least three minutes before beginning work. ...

Other information:

Hyundai Kona (OS) 2018-2021 Service Manual: Repair procedures
On-vehicle Inspection Inspect ignition coil assembly and Perform spark test 1. Check for DTCs.    • If a DTC ...

Hyundai Kona (OS) 2018-2021 Service Manual: Front Seat Assembly Components and components location
Component Location 1. Front seat headrest 2. Front seat back cover 3. Front seat cushion cover ...

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