Seat Belt Pretensioners - Lexus GX470 2006 Service Manual

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OCCUPANT RESTRAINT SYSTEMS

Seat belt pretensioners

The driver and front passenger's seat belt pretensioners
are designed to be activated in response to a severe
frontal impact or a vehicle rollover.
When the sensor detects a severe frontal impact or a vehicle
rollover, the front seat belts are quickly drawn back by the
retractors so that the belts snugly restrain the occupants.
The front passenger's seat belt pretensioner will not activate
if no passenger is detected in the front passenger seat by the
front passenger occupant classification system. However, the
front passenger's seat belt pretensioner may activate if
luggage is put on the seat, or the seat belt is buckled up
regardless of the presence of an occupant in the seat. (As for
the front passenger occupant classification system, see page
168.)
The seat belt pretensioners and SRS airbags may not operate
together in case of collisions at a certain speeds and angles.
142
"Roll sensing of curtain shield airbags off (RSCA OFF)
indicator light
The seat belt pretensioners will not operate in a vehicle rollover
if the "RSCA OFF" indicator light is on. For details, see "Roll
sensing of curtain shield airbags off switch" on page 174.
I n f o r ma t i o n P r o v i d e d b y :

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