Chevrolet 2010 Impala Owner's Manual page 81

5. To tighten the belt, push down on the child restraint,
pull the shoulder portion of the belt to tighten the
lap portion of the belt and feed the shoulder
belt back into the retractor. When installing a
forward-facing child restraint, it may be helpful to
use your knee to push down on the child restraint
as you tighten the belt.
6. If the child restraint has a top tether, follow the child
restraint manufacturer's instructions regarding the
use of the top tether. See Lower Anchors and
Tethers for Children (LATCH) on page 2-43 for
more information.
7. Push and pull the child restraint in different
directions to be sure it is secure.
To remove the child restraint, unbuckle the vehicle safety
belt and let it return to the stowed position. If the top
tether is attached to a top tether anchor, disconnect it.
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