Hyundai Elantra HD: Seat Belt Pretensioner (BPT). 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.
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.
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