Vauxhall Astra Owner's Manual page 70

Raise the seat cushion and fold the
backrest
Pull the strap on the seat cushion and
lift the rear of the cushion forwards
(split or one-piece).
Unhook hooks of load compartment
cover from head restraints 3 71.
Remove rear outer head restraints
and push centre head restraint all the
way down 3 46. Stow the removed
head restraints in the cavity below the
raised seat cushions.
Storage
Disengage backrest (one-piece or
split) using release button, fold
forward and engage.
69