Volvo S60 Owner's Manual page 18

(Contd)
The SIPS airbag system
The SIPS bag system consists of a gas generator
(1), electronic sensors, cables (3) and the side
airbags (2). When a sufficiently violent collision
occurs, the sensors react and activate the gas
generator which inflates the side airbag. The
airbag inflates between the occupant and the
door panel, cushioning the impact at the moment
of collision and then deflates. Normally, only
the airbag on the side of the collision will deploy.
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