Vauxhall Insignia Owner's Manual page 66

The backrests are properly engaged
when both red marks on the side near
the release lever are no longer visible.
9 Warning
Only drive the vehicle if the
backrests are securely locked into
position. Otherwise there is a risk
of personal injury or damage to the
load or vehicle in the event of
heavy braking or a collision.
The seat belt of the centre seat could
be blocked when the backrest is
folded up too quickly. To unlock the
retractor, push in the seat belt or pull
it out by approximately 20 mm and
then let go.
Opening the pass-through in the
rear centre backrest
Fold down rear armrest.
Storage
Pull grip and open the cover.
Suitable for loading long, narrow
objects.
Ensure the cover engages after
folding up.
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