Graco TrioGrow SnugLoc Instruction Manual page 106

Rear-Facing
Forward-Facing
3. Place Harness Straps Over
Child's Shoulders and Buckle
You will hear a "click" when buckle tongues
are securely attached. Pull up on each buckle
tongue to make sure it is securely attached.
4. Be Sure the Harness Straps
Are at the Proper Height
Rear-Facing: Harness straps should be at
or just below the child's shoulders. Top of
head must be at least 1" (2.5 cm) below the
headrest adjustment lever.
Forward-Facing: Harness straps
should be at or just above the child's
shoulders. Top of child's ears below top
of headrest.
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