Vauxhall ASTRA Owner's Manual page 106

In the event of a rollover, the anti-roll bars
deploy upwards in a matter of
milliseconds. They also deploy together
with the front and side airbag systems 3,
helping to optimise occupant protection.
The system deploys with the roof open or
closed. If the anti-roll bars are extended
the roof must not be operated, see
instructions in the following columns.
Control indicator v for extending anti-roll
bars
The deployable anti-roll bars are
monitored electronically together with the
belt tensioners and the airbag systems.
Their operational readiness is indicated by
control indicator v in the instrument panel.
When the ignition is switched on, the
control indicator illuminates for approx.
4 seconds. If it does not illuminate, does
not go out after 4 seconds or illuminates
whilst driving, there is a fault in or
deployment of the anti-roll bars, belt
tensioners and airbag systems - see
page 87. The systems may fail to trigger in
the event of an accident.
Actuation of the anti-roll bars is indicated
by continuous illumination of v.
Seats, interior
Extended anti-roll bars
can be retracted (e.g. in order to close the
roof after a collision).
Press the lever between the rods of an
anti-roll bar to unlock the system. Push the
anti-roll bar all the way down until it
engaged. Fit the cover.
Repeat the procedure on the other anti-roll
bar.
Control indicator v, however, will remain
illuminated and the anti-roll bars will not
deploy in the event of another collision.
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