Graco Contender Slim Instruction Manual page 51

6. 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.
7. Make Sure Bottom of Seat is a minimum of 80% on
Vehicle Seat
8. Attach Lower Anchor Connectors to Vehicle's Lower
Anchors.
Lower anchor strap should lie flat and not be twisted.
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