Graco Connext Owner's Manual page 13

Using Your Graco Booster
Failure to properly secure your child and the
booster seat in your vehicle increases the risk
of serious injury or death in the event of a sharp
turn, sudden stop or crash.
WARNING!
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shoulder belt system when restraining the child in
this booster seat.
Fasten the vehicle seat belt tongue into the seat
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belt buckle making sure the vehicle seat belt
tongue and the buckle are in line with each other.
Please contact the child restraint manufacturer if
in doubt about this point.
Finish tightening the vehicle seat belt until there is
no slack and the seat is held firmly in place.
NEVER use a vehicle lap-only belt across front of child.
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Vehicle belts MUST lie flat against child and
MUST not be twisted.
DO NOT use shoulder belt loose or positioned
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under child's arm.
DO NOT position vehicle belt over top of the
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armrests. It must pass underneath the armrests.
Make sure vehicle belt is NOT twisted.
Lap portion of lap/shoulder belt MUST be low
and snug on hips, just touching thighs.
DO NOT allow child to slide down in booster seat.
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If child will not keep vehicle restraint properly
positioned, DO NOT use this booster seat.
Use a different child restraint system.
Use only the vehicle's lap and
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