Vauxhall Astra Owner's Manual page 116

Mount safety seat in d irection of trav el and
lock b oth latch p la tes audibly into belt
buckles on a dapter. Tug on the seat to
check that the b elt has engag ed p roperly.
114
Fastening t he chi ld's sea t belt
Plac e child on sea t cushion.
Insert latch plate of vehicle seat belt in
buckle.
The lap b elt must pass through the tw o
guid es on the sea t cushion.
The seat belt must p ass over the child's
shoulder, nev er over the neck or upper
arm. Adjust upper anchora ge p oint of
vehicle sea t belt a ccording to child's
size 3. Heig ht adjustm ent – see page 84.
Remov ing the safety seat
Depress red p ushbutton for each buckle
on adap ter. Detach safety seat from
ada pter – see page 107, Fig. 10397 A.
Before rem oving the ad apter, disengage
the belt b uck les from underneath.