Graco TURBOBOOSTER GROW RightGuide Instruction Manual page 27

Note: You can use the Highback Booster WITH or WITHOUT the
RightGuide™ Seat Belt Trainer.
1. Place Car Seat Forward-Facing in Back Seat of the
Vehicle
Place forward-facing in vehicle seat. The bottom of the seat
should sit as flat as possible on the vehicle seat.
Skip to Step 5 if Not Using the Lower Anchors
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