Graco NAUTILUS 65 DLX Instruction Manual page 76

Reversable Body Support
To remove body support, unbuckle the
harness system and remove the buckle cover.
Then pull the elastic strap out from the behind
the harness adjustment cover and remove.
WARNING! To prevent ejection in sudden
stop or crash: Never allow body support to
bunch or fold behind child. Body support
MUST be used if shoulders are below
lowest harness setting.
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