Graco Contender Slim Instruction Manual page 38

8. Check the Level Indicator
Vehicle MUST be on level ground. Ball must be completely
in the blue area. Readjust if needed.
For infants 3 months and under, the ball must be entirely
in the light blue area.
If needed, rolled towels may be
placed under the car seat at the
vehicle seat crease, until the
ball is completely in the blue
area.
9. Attach Lower Anchor Connectors to Vehicle's Lower
Anchors
Lower anchor strap should lie flat and not be twisted.
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