Chevrolet 2008 Uplander Owner's Manual page 17

To reinstall the bucket seats, do the following:
1. With the seat folded, squeeze the angled bar
beneath the seat toward the straight crossbar,
while placing the front hooks of the seat into
the front two floor pins.
If the front hooks are not attaching correctly,
check that the seat is in the full rear position.
2. Make sure the seat is
angled so that the
front seat hooks
clear the floor pins.
If the front hooks
are not attached
correctly, the seat's
rear hooks will
not attach to the
rear set of floor pins.
3. Firmly push the rear seat hooks into the rear floor
pins by pushing down the rear of the seat.
CAUTION:
{
A seat that is not locked into place properly
can move around in a collision or sudden stop.
People in the vehicle could be injured. Be sure
to lock the seat into place properly when
installing it.
4. Check that the seat is locked by trying to raise
the seat.
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