Graco Recline N' Ride ON THE GO Instruction Manual page 43

8. Slide the Shoulder Belt into the Rear-Facing Lockoff
While holding tension on the shoulder belt, slide the shoulder
belt ONLY into the rear-facing lockoff. ALWAYS use the lockoff
on the side OPPOSITE of the buckle.
Make sure the shoulder belt is past the notch and fully inside
the lockoff.
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