Oldsmobile 1999 Silhouette - Manual (Page 19)

yellow blue
1-13
To do this, the bench seat
will need to be angled so
that the front hooks clear
the floor pins.
If the front legs are not attached correctly, the rear
legs will not attach to the rear set of floor pins.
If the front latches are not attaching correctly, check
that the seat is in the full rear position.
2. Firmly push the rear hooks onto the rear floor pins
by pushing down on the rear of the seat.
3. Try to raise the seat to check that it is locked down.