Vauxhall VECTRA Owner's Manual page 116

Align child safety seat and simulta neously
slid e b oth extended sec uring struts into
push-in sleev es until they audibly latch into
position. Inspection windows at front of
seat c onsole indicate correct lock ing
(deta ils in figure).
Check latching by pulling seat.
114
Rota te top fastening brack et of provided
floor support by 90°. Push in rear pins of
fa stening b ra ckets and insert into seat
console g uides until front pins engage.
Only the rear pins must be visible a fter
engaging has taken place.
Pull locking pin at b ottom of floor support
and w ithdraw stand down to floor of
vehicle. Latch lock ing pin into p osition.