Graco NAUTILUS 65 LX Instruction Manual page 41

6. Lock the Vehicle Seat Belt
In most vehicles today, slowly pull the
shoulder belt all the way out and then let it
go back in. You will hear a clicking sound.
Slowly pull out on the belt and it should
be locked. If not, review your car's owner
manual and section 7-D.
7. Tighten the Vehicle Seat Belt
Press down firmly in the center of the car
seat. Pull on the shoulder belt to tighten while
feeding the slack back in the retractor.
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