Toyota 2008 Prius Quick Reference Manual page 100

CAUTION
n Seat belt pretensioners
Do not place anything, such as a cushion, on the front passenger's seat.
l
Doing so will disperse the passenger's weight, which prevents the sensor
from detecting the passenger's weight properly. As a result, the seat belt
pretensioner for the front passenger's seat may not activate in the event of
a collision.
l If the pretensioner has activated, the seat belt becomes locked: it cannot
be further extended, nor will it return to the stowed position. The seat belt
cannot be used again and must be replaced at your Toyota dealer.
n Using a seat belt extender
Do not wear the seat belt extender, if you can fasten the seat belt without
l
the extender.
Do not use the seat belt extender when installing a child restraint system,
l
because the belt will not securely hold the child restraint system, increas-
ing the risk of death or injury in the event of a collision.
The personalized extender may not be safe on another vehicle, when
l
used by another person, or at a different seating position other than the
one originally intended.
NOTICE
When using a seat belt extender
n
When releasing the seat belt, press on the buckle release button on the
extender, not on the seat belt.
This helps prevent damage to the vehicle interior and the extender itself.
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1-4. Adjustable components (seats, mirrors, steering wheel)
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