Chevrolet 2005 Uplander Owner's Manual page 19

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.
5. Pull the nylon strap, located on the rear right hand
side of the seat, or lift the recline lever, located on
the front right hand side of the seatback, to
raise the seatback to the upright position.
CAUTION:
{
If the seatback is not locked, it could move
forward in a sudden stop or crash. That could
cause injury to the person sitting there. Always
push and pull on the seatback to be sure it is
locked.
6. Push and pull on the seatback to make sure that it
is locked.
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