Chevrolet 2007 TrailBlazer Owner's Manua page 19

To return the seat(s) to the original position, do
the following:
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.
1. Lift the seatback until it locks into the upright
position. Push and pull on the seatback to
make sure it is locked.
2. Return the head restraints to the upright
position by reaching behind the seat and
pulling it forward until it locks into place. Push
and pull on the head restraint to make sure
that it is locked.
3. Flip the seat cushion back into place.
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