Chevrolet 2006 Malibu Owner's Manual page 60

3. Pick up the latch plate, and run the lap and shoulder
portions of the vehicle's safety belt through or
around the restraint. The child restraint instructions
will show you how.
4. Buckle the belt. Make sure the release button
is positioned so you would be able to unbuckle
the safety belt quickly if you ever had to.
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5. Pull the rest of the shoulder belt all the way out
of the retractor to set the lock.