GMC 2006 Sierra - Manual (Page 75)

6. 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. If you are using a forward-facing
child restraint, you may find it helpful to use your
knee to push down on the child restraint as you
tighten the belt. You should not be able to pull
more of the belt from the retractor once the lock
has been set.
7. If your child restraint manufacturer recommends
using a top tether, and the position you are using has
a top tether anchor, attach and tighten the top tether
to the top tether anchor. Refer to the instructions that
came with the child restraint and to Lower Anchors
and Tethers for Children (LATCH) on page 1-42.
8. Push and pull the child restraint in different directions
to be sure it is secure.
9. If your vehicle has a passenger sensing system and
the airbag is off, the off indicator in the inside
rearview mirror will be lit and stay lit when the key is
turned to RUN or START.
If a child restraint has been installed and the on indicator
is lit, turn the vehicle off. Remove the child restraint from
the vehicle and reinstall the child restraint.
If after reinstalling the child restraint and restarting the
vehicle, the on indicator is still lit, check to make sure that
the vehicle’s seatback is not pressing the child restraint
into the seat cushion. If this happens, slightly recline the
vehicle’s seatback and adjust the seat cushion if
possible. Also make sure the child restraint is not trapped
under the vehicle head restraint. If this happens, adjust
the head restraint.
If the on indicator is still lit, secure the child in the child
restraint in a rear seat position in the vehicle if one is
available and check with your dealer.
To remove the child restraint, if the top tether is attached
to the top tether anchor, disconnect it. Unbuckle the
vehicle’s safety belt and let it go back all the way. The
safety belt will move freely again and be ready to work for
an adult or larger child passenger.
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