Vauxhall VECTRA Owner's Manual page 136

Conv ersion from weight r ange 0 or 0+ to
weight range I
Remove child sa fety sea t as described on
pages 130 and 133.
Insert child safety seat belt buckle into
bracket at seat console.
134
Lead both shoulder belts through the
backrest as shown in the figure, push latch
plates together and insert into bracket at
back of child safety seat.
Push slider catches together at cross strut
beneath seat a nd remove front frame from
guide rails in seat console.