Cadillac 2008 Escalade EXT Owner's Manual page 56

5. Pull the rest of the shoulder belt all the way out
of the retractor to set the lock.
1-52
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.
7. Push and pull the child restraint in different
directions to be sure it is secure.
To remove the child restraint, unbuckle the vehicle's
safety belt and let it go back all the way. If the top
tether is attached to a top tether anchor, disconnect it.